https://arduino.org.in/2026-08-02weekly1.0https://arduino.org.in/projects/1-sound-operated-switch-for-lamps2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/001-sound-operated-switch-for-lamps-project-thumbnail.webpSound-Operated Switch for Lamps project thumbnailSound-operated lamp switch project with microphone-controlled transistor circuit and illuminated desk lamphttps://arduino.org.in/project-assets/sound-operated-lamp-switch-hero.webpSound-Operated Lamp Switch ProjectCompleted sound-operated lamp switch with a condenser microphone, transistor switching circuit and controlled desk lamp.https://arduino.org.in/project-assets/sound-operated-lamp-switch-components-parts-list.webpSound-Operated Lamp Switch Components and PartsParts for the sound switch, including transistors, microphone, relay, LED, perfboard, resistors, capacitors, diode, connector and hookup wire.https://arduino.org.in/project-assets/sound-operated-lamp-switch-perfboard-assembly.webpSound-Operated Lamp Switch Perfboard AssemblyPerfboard assembly showing the microphone input, transistor stages, status LED and relay connection.https://arduino.org.in/project-assets/sound-operated-lamp-switch-bench-test.webpSound-Operated Lamp Switch Bench TestLow-voltage bench test using a regulated power supply, multimeter and probes before connecting the lamp load.https://arduino.org.in/project-assets/sound-operated-lamp-switch-clap-activated-lamp.webpClap-Activated Desk Lamp Sound SwitchFinished enclosed sound-operated switch controlling a desk lamp in response to a clap.https://arduino.org.in/projects/2-battery-low-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/002-battery-low-indicator-project-thumbnail.webpBattery-Low Indicator project thumbnail12V battery-low indicator project connected to a rechargeable battery with red warning LED illuminatedhttps://arduino.org.in/project-assets/12v-battery-low-indicator-hero.webp12V Battery-Low Indicator ProjectCompleted battery-low indicator connected to a rechargeable 12V battery with its red warning LED illuminated.https://arduino.org.in/project-assets/12v-battery-low-indicator-components-parts-list.webpBattery-Low Indicator Components and PartsBattery monitor parts including the comparator IC, voltage-reference device, regulator, LED, preset, perfboard, resistors, capacitors, terminals and wire.https://arduino.org.in/project-assets/12v-battery-low-indicator-pcb-assembly.webpBattery-Low Indicator PCB AssemblyBattery-low indicator PCB with comparator socket, regulator stage, threshold preset and red warning LED.https://arduino.org.in/project-assets/12v-battery-low-indicator-voltage-calibration-test.webpBattery-Low Indicator Voltage CalibrationLow-voltage threshold calibration with a current-limited bench supply and digital multimeter.https://arduino.org.in/project-assets/12v-battery-low-indicator-installed-enclosure.webpEnclosed 12V Battery-Low IndicatorFinished battery-low indicator in a protective enclosure beside the monitored rechargeable battery.https://arduino.org.in/projects/3-ir-sensors-infrared-leds-to-create-an-object-detection-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/003-ir-sensors-infrared-leds-to-create-an-object-detection-circuit-project-thumbnail.webpIR sensors (infrared LEDs) to create an object-detection circuit project thumbnailIR sensors (infrared LEDs) to create an object-detection circuit project thumbnail featuring LM358, T1 - transistor stage identified in the circuit, LED1, LED2 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/4-automatic-water-pump-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/004-automatic-water-pump-controller-project-thumbnail.webpAutomatic Water Pump Controller project thumbnailAutomatic Water Pump Controller project thumbnail featuring Power supply, CD4011, T3, T4, T5, T6, T7 - transistor stages identified in the circuithttps://arduino.org.in/projects/5-micro-inverter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/005-micro-inverter-project-thumbnail.webpMicro Inverter project thumbnailMicro Inverter project thumbnail featuring Buzzer, LM317, 1N4007https://arduino.org.in/projects/6-periodically-on-off-mosquito-repellents-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/006-periodically-on-off-mosquito-repellents-circuit-project-thumbnail.webpPeriodically on /off Mosquito repellents circuit project thumbnailPeriodically on /off Mosquito repellents circuit project thumbnail featuring Power supply, Transformer, NERVEShttps://arduino.org.in/projects/7-cable-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/007-cable-tester-project-thumbnail.webpCable Tester project thumbnailCable Tester project thumbnail featuring Operational amplifierhttps://arduino.org.in/project-assets/cable-tester-hero.webpCA3130 Non-Contact Cable Tester ProjectCompleted battery-powered CA3130 cable tester demonstrating non-contact AC-field detection beside an intact insulated cable.https://arduino.org.in/project-assets/asset-8cb8f4e3f8a88cb4.jpgCA3130 Cable Tester CircuitProject 7 source schematic showing the input-bias network, CA3130 feedback and phase compensation, and the LED indicator output.https://arduino.org.in/projects/8-automatic-3-phase-induction-motor-starter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/008-automatic-3-phase-induction-motor-starter-project-thumbnail.webpAutomatic 3-Phase Induction Motor Starter project thumbnailAutomatic 3-Phase Induction Motor Starter project thumbnail featuring Transformer, NE555, NEGATIVEhttps://arduino.org.in/project-assets/automatic-3-phase-induction-motor-starter-hero.webpAutomatic Three-Phase Induction Motor Starter ProjectSafe industrial training bench illustrating the three phase-sensing transformers, star/delta relay controls, timer and six-terminal induction motor.https://arduino.org.in/themed-assets/asset-8f1ec946b92c3f00-atlas.pngAutomatic Star-Delta Motor Starter Source CircuitProject 8 source schematic showing three phase-presence supplies, NE555 transition timer, relay interlocks and six motor-winding terminals.https://arduino.org.in/projects/9-multipurpose-listening-device2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/009-multipurpose-listening-device-project-thumbnail.webpMultipurpose Listening Device project thumbnailMultipurpose Listening Device project thumbnail featuring T1, T2, T3 - transistor stages identified in the circuithttps://arduino.org.in/project-assets/multipurpose-listening-device-hero.webpMultipurpose Four-Transistor Listening DevicePocket-sized 3V listening aid with a microphone input, four-transistor amplifier, two-AA supply and wired headphone output.https://arduino.org.in/project-assets/asset-c7880fba19752bb0.jpgMultipurpose Listening Device Source CircuitProject 9 source schematic showing the electret microphone, BC548 gain stages, level feedback, BC337 headphone driver and 3V supply.https://arduino.org.in/projects/10-power-on-reminder-with-led-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/010-power-on-reminder-with-led-lamp-project-thumbnail.webpPower-on Reminder with LED Lamp project thumbnailPower-on Reminder with LED Lamp project thumbnail featuring Buzzer, LDR, Power supplyhttps://arduino.org.in/project-assets/power-on-reminder-led-lamp-hero.webpPower-on Reminder with Battery-Backed LED LampLow-voltage workbench reminder with an NE555 clock, CD4017 counter, hourly buzzer, darkness sensor and rechargeable-battery white emergency lamp.https://arduino.org.in/project-assets/asset-82c5eac0aac3b595.jpgPower-on Reminder and Emergency Lamp Source CircuitProject 10 source schematic showing the six-minute NE555 clock, CD4017 count outputs, buzzer pulse capacitor, battery-charge path and LDR-controlled white LED.https://arduino.org.in/projects/11-quality-fm-transmitter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/011-quality-fm-transmitter-project-thumbnail.webpQuality FM Transmitter project thumbnailQuality FM Transmitter project thumbnail featuring LM386, PN2222A, T1 - transistor stage identified in the circuithttps://arduino.org.in/project-assets/quality-fm-transmitter-hero.webpCrystal-Locked Quality FM Transmitter ProjectLow-power FM transmitter with an LM386 audio stage, 1SV149 varactor, 30MHz crystal, PN2222A oscillator, tuned copper coil and wire antenna.https://arduino.org.in/themed-assets/asset-d72803d2b868df22-atlas.pngQuality FM Transmitter Source CircuitProject 11 schematic showing the audio input, gain-20 LM386 stage, varactor frequency modulation, crystal oscillator, 90MHz tuned tank and capacitively coupled antenna.https://arduino.org.in/projects/12-medium-power-fm-transmitter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/012-medium-power-fm-transmitter-project-thumbnail.webpMedium-Power FM Transmitter project thumbnailMedium-Power FM Transmitter project thumbnail featuring T1 - BC548 NPN microphone-preamplifier transistor, T2 - BC548 NPN VHF-oscillator transistor, T3 - C2570 RF power transistorhttps://arduino.org.in/project-assets/medium-power-fm-transmitter-hero.webpThree-Stage Medium-Power FM Transmitter ProjectHand-built 9V FM transmitter with an electret microphone, BC548 preamplifier and oscillator, C2570 tuned RF output stage, air-core coils and adjustable antenna coupling.https://arduino.org.in/themed-assets/asset-f7e653b8aad535a2-atlas.pngMedium-Power FM Transmitter Source CircuitProject 12 schematic showing the condenser-microphone preamplifier, VHF oscillator, C2570 class-A tuned amplifier, L1/VC1 and L2/VC2 tanks, and VC3 antenna coupling.https://arduino.org.in/projects/13-simple-shortwave-voice-transmitter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/013-simple-shortwave-voice-transmitter-project-thumbnail.webpSimple Shortwave Voice Transmitter project thumbnailSimple Shortwave Voice Transmitter project thumbnail featuring LM386, 2N2219, BD139 - transistorhttps://arduino.org.in/project-assets/simple-shortwave-voice-transmitter-hero.webpSimple Shortwave Voice Transmitter ProjectCrystal-controlled 12V shortwave voice transmitter with an electret microphone, LM386 audio stage, BD139 series modulator, 2N2219 Pierce oscillator, RF chokes and wire antenna.https://arduino.org.in/themed-assets/asset-366e2fe1cbe4ab35-atlas.pngSimple Shortwave Voice Transmitter Source CircuitProject 13 schematic showing the gain-200 LM386 modulator, BD139 series supply control, 6.4MHz or 7.2MHz crystal oscillator, three RF chokes, filtering and capacitively coupled antenna output.https://arduino.org.in/projects/14-four-stage-fm-transmitter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/014-four-stage-fm-transmitter-project-thumbnail.webpFour-Stage FM Transmitter project thumbnailFour-Stage FM Transmitter project thumbnail featuring 2N2219, 2N3866, 2N5109https://arduino.org.in/project-assets/four-stage-fm-transmitter-hero.webpFour-Stage FM Transmitter ProjectFour-stage 12V FM transmitter with a regulated BF494 oscillator, tuned BF200 preamplifier, 2N2219 driver, heatsink-mounted 2N3866 power stage and 50-ohm output matching.https://arduino.org.in/project-assets/asset-c51283206c460a89.jpgFour-Stage FM Transmitter Source CircuitProject 14 schematic showing the 7809-regulated oscillator, five RF coils, seven trimmers, class-A preamplifier, class-C driver and power amplifier, and 50-ohm antenna output.https://arduino.org.in/projects/15-whisker-for-robots2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/015-whisker-for-robots-project-thumbnail.webpWhisker for Robots project thumbnailWhisker for Robots project thumbnail featuring LM339https://arduino.org.in/project-assets/whisker-for-robots-hero.webpWhisker for Robots Contact Sensor ProjectRobot prototype using a steel guitar-string and copper-tube whisker contact, an LM339 comparator, four 10k resistors and a three-wire controller interface.https://arduino.org.in/project-assets/asset-506a692fbd486488.jpgWhisker for Robots Source CircuitProject 15 source schematic showing LM339 channel 1, the half-supply reference divider, whisker-input pull-up and open-collector output pull-up.https://arduino.org.in/projects/16-farmhouse-lantern-cum-flasher2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/016-farmhouse-lantern-cum-flasher-project-thumbnail.webpFarmhouse Lantern-Cum-Flasher project thumbnailFarmhouse Lantern-Cum-Flasher project thumbnail featuring Operational amplifier, LM358, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/project-assets/farmhouse-lantern-cum-flasher-hero.webpFarmhouse Lantern-Cum-Flasher ProjectLow-voltage farmhouse lantern with a 6V four-cell battery pack, LM358 oscillator and comparator, complementary BC548/SK100 lamp driver, brightness control and flash-mode switch.https://arduino.org.in/project-assets/asset-7e7b1ed440c0076f.jpgFarmhouse Lantern-Cum-Flasher Source CircuitProject 16 source schematic showing the LM358 timing network, adjustable comparator reference, BC548 and SK100 driver transistors, 6V torch bulb and two operating switches.https://arduino.org.in/projects/17-accurate-foot-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/017-accurate-foot-switch-project-thumbnail.webpAccurate Foot-Switch project thumbnailAccurate Foot-Switch project thumbnail featuring NE555, BC548, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/18-easy-transistor-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/018-easy-transistor-tester-project-thumbnail.webpEasy Transistor Tester project thumbnailEasy Transistor Tester project thumbnail featuring LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/19-tv-pattern-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/019-tv-pattern-generator-project-thumbnail.webpTV Pattern Generator project thumbnailTV Pattern Generator project thumbnail featuring CD40106, VR1, VR2, VR3, VR4, VR5 - preset potentiometers identified in the circuithttps://arduino.org.in/projects/20-multipurpose-listening-device2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/020-multipurpose-listening-device-project-thumbnail.webpMultipurpose Listening Device project thumbnailMultipurpose Listening Device project thumbnail featuring T1, T2, T3 - transistor stages identified in the circuithttps://arduino.org.in/projects/21-dc-dc-converter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/021-dc-dc-converter-project-thumbnail.webpDC-DC Converter project thumbnailDC-DC Converter project thumbnail featuring Transformer, BC549, BD139 - transistorhttps://arduino.org.in/projects/22-remote-control-using-wireless-doorbell2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/022-remote-control-using-wireless-doorbell-project-thumbnail.webpRemote Control using Wireless Doorbell project thumbnailRemote Control using Wireless Doorbell project thumbnail featuring NE555, BC548, NEGATIVEhttps://arduino.org.in/projects/23-rf-signal-detector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/023-rf-signal-detector-project-thumbnail.webpRF Signal Detector project thumbnailRF Signal Detector project thumbnail featuring Speaker, LM386, NEARhttps://arduino.org.in/projects/24-audio-mixer-with-multiple-controls2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/024-audio-mixer-with-multiple-controls-project-thumbnail.webpAudio Mixer with Multiple Controls project thumbnailAudio Mixer with Multiple Controls project thumbnail featuring Operational amplifier, NETWORK, VR1, VR4, VR5, VR8, VR9, VR10 - preset potentiometers identified in the circuithttps://arduino.org.in/projects/25-infrared-interruption-counter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/025-infrared-interruption-counter-project-thumbnail.webpInfrared Interruption Counter project thumbnailInfrared Interruption Counter project thumbnail featuring LDR, IR sensor, BC547https://arduino.org.in/projects/26-clock-tick-tock-sound-generator-and-led-pendulum2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/026-clock-tick-tock-sound-generator-and-led-pendulum-project-thumbnail.webpClock Tick-Tock Sound Generator and LED Pendulum project thumbnailClock Tick-Tock Sound Generator and LED Pendulum project thumbnail featuring Speaker, LED1, LED2 - indicator LEDs identified in the circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/27-battery-charger-with-automatic-switch-off2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/027-battery-charger-with-automatic-switch-off-project-thumbnail.webpBattery Charger with Automatic Switch-off project thumbnailBattery Charger with Automatic Switch-off project thumbnail featuring Potentiometer, CD-CELLS, T1, T2, T3 - transistor stages identified in the circuithttps://arduino.org.in/projects/28-earth-leakage-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/028-earth-leakage-tester-project-thumbnail.webpEarth Leakage Tester project thumbnailEarth Leakage Tester project thumbnail featuring NEON, BC547, 1N4007https://arduino.org.in/projects/29-scr-controlled-eht-power-supply2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/029-scr-controlled-eht-power-supply-project-thumbnail.webpSCR-Controlled EHT Power Supply project thumbnailSCR-Controlled EHT Power Supply project thumbnail featuring Power supply, Transformer, NEGATIVEhttps://arduino.org.in/projects/30-16-way-clap-operated-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/030-16-way-clap-operated-switch-project-thumbnail.webp16-Way Clap-Operated Switch project thumbnail16-Way Clap-Operated Switch project thumbnail featuring NEAR, BC547, T1, T2, T3, T4, T5 - transistor stages identified in the circuithttps://arduino.org.in/projects/31-smart-loop-burglar-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/031-smart-loop-burglar-alarm-project-thumbnail.webpSmart Loop Burglar Alarm project thumbnailSmart Loop Burglar Alarm project thumbnail featuring Power supply, Operational amplifier, LM324https://arduino.org.in/projects/32-temperature-tolerance-checking-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/032-temperature-tolerance-checking-system-project-thumbnail.webpTemperature-Tolerance Checking System project thumbnailTemperature-Tolerance Checking System project thumbnail featuring LM324, TL431 - integrated circuit, LED1, LED4 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/33-radiation-detector-circuit-using-lm358-ic2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/033-radiation-detector-circuit-using-lm358-ic-project-thumbnail.webpRadiation Detector Circuit using LM358 IC project thumbnailRadiation Detector Circuit using LM358 IC project thumbnail featuring Operational amplifier, LM358https://arduino.org.in/projects/34-stereo-headphone-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/034-stereo-headphone-amplifier-project-thumbnail.webpStereo Headphone Amplifier project thumbnailStereo Headphone Amplifier project thumbnail featuring Power supply, BC547, BC557https://arduino.org.in/projects/35-electronic-thermostat-for-fridge2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/035-electronic-thermostat-for-fridge-project-thumbnail.webpElectronic Thermostat for Fridge project thumbnailElectronic Thermostat for Fridge project thumbnail featuring Temperature sensor, BC547, LM339https://arduino.org.in/projects/36-affordable-car-protection-unit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/036-affordable-car-protection-unit-project-thumbnail.webpAffordable Car Protection Unit project thumbnailAffordable Car Protection Unit project thumbnail featuring Buzzer, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/37-white-led-based-emergency-lamp-and-turning-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/037-white-led-based-emergency-lamp-and-turning-indicator-project-thumbnail.webpWhite LED Based Emergency Lamp and Turning Indicator project thumbnailWhite LED Based Emergency Lamp and Turning Indicator project thumbnail featuring Power supply, CD-CELLS, NEARBYhttps://arduino.org.in/projects/38-mains-operated-christmas-star2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/038-mains-operated-christmas-star-project-thumbnail.webpMains-Operated Christmas Star project thumbnailMains-Operated Christmas Star project thumbnail featuring Transformer, BC548, BT136 - specified parthttps://arduino.org.in/projects/39-christmas-lights-using-leds2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/039-christmas-lights-using-leds-project-thumbnail.webpChristmas Lights Using LEDs project thumbnailChristmas Lights Using LEDs project thumbnail featuring T1, T2, T3, T4 - transistor stages identified in the circuit, LED1, LED9, LED10, LED18 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/40-diy-make-your-own-nifty-night-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/040-diy-make-your-own-nifty-night-lamp-project-thumbnail.webpDIY: Make Your Own Nifty Night Lamp project thumbnailDIY: Make Your Own Nifty Night Lamp project thumbnail featuring LDR, Power supply, Transformerhttps://arduino.org.in/projects/41-photometer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/041-photometer-project-thumbnail.webpPhotometer project thumbnailPhotometer project thumbnail featuring MAXIMUM, LM3915, LED1, LED4, LED7 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/42-smart-emergency-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/042-smart-emergency-light-project-thumbnail.webpSmart Emergency Light project thumbnailSmart Emergency Light project thumbnail featuring Power supply, Transformer, NE555https://arduino.org.in/projects/43-digital-camera-adaptor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/043-digital-camera-adaptor-project-thumbnail.webpDigital Camera Adaptor project thumbnailDigital Camera Adaptor project thumbnail featuring Operational amplifier, TIP127, MAXIMUMhttps://arduino.org.in/projects/44-mock-alarm-with-call-bell2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/044-mock-alarm-with-call-bell-project-thumbnail.webpMock Alarm with Call Bell project thumbnailMock Alarm with Call Bell project thumbnail featuring LDR, Power supply, Speakerhttps://arduino.org.in/projects/45-led-based-reading-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/045-led-based-reading-lamp-project-thumbnail.webpLED Based Reading Lamp project thumbnailLED Based Reading Lamp project thumbnail featuring Power supply, Transformer, MAXIMUMhttps://arduino.org.in/projects/46-multidoor-opening-alarm-with-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/046-multidoor-opening-alarm-with-indicator-project-thumbnail.webpMultidoor Opening Alarm with Indicator project thumbnailMultidoor Opening Alarm with Indicator project thumbnail featuring Buzzer, Power supply, NEGATIVEhttps://arduino.org.in/projects/47-rechargeable-torch-based-on-white-led2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/047-rechargeable-torch-based-on-white-led-project-thumbnail.webpRechargeable Torch Based on White LED project thumbnailRechargeable Torch Based on White LED project thumbnail featuring Transformer, MAXIMUM, LED1, LED2, LED4 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/48-smf-battery-guard2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/048-smf-battery-guard-project-thumbnail.webpSMF Battery Guard project thumbnailSMF Battery Guard project thumbnail featuring Power supply, MAXIMUM, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/49-brake-failure-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/049-brake-failure-indicator-project-thumbnail.webpBrake Failure Indicator project thumbnailBrake Failure Indicator project thumbnail featuring Buzzer, Power supply, NE555https://arduino.org.in/projects/50-stress-meter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/050-stress-meter-project-thumbnail.webpStress Meter project thumbnailStress Meter project thumbnail featuring BC548, LM3915, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/51-geyser-timer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/051-geyser-timer-project-thumbnail.webpGeyser Timer project thumbnailGeyser Timer project thumbnail featuring Power supply, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/52-multicell-charger2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/052-multicell-charger-project-thumbnail.webpMulticell Charger project thumbnailMulticell Charger project thumbnail featuring Transformer, CD-CELLS, MAXIMUMhttps://arduino.org.in/projects/53-light-dimmer-that-doubles-as-voltmeter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/053-light-dimmer-that-doubles-as-voltmeter-project-thumbnail.webpLight Dimmer that Doubles as Voltmeter project thumbnailLight Dimmer that Doubles as Voltmeter project thumbnail featuring MAXIMUMhttps://arduino.org.in/projects/54-220v-live-wire-scanner2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/054-220v-live-wire-scanner-project-thumbnail.webp220V Live Wire Scanner project thumbnail220V Live Wire Scanner project thumbnail featuring Transformer, CD4017, LED1, LED2 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/55-smart-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/055-smart-switch-project-thumbnail.webpSmart Switch project thumbnailSmart Switch project thumbnail featuring Push buttonhttps://arduino.org.in/projects/56-power-failure-and-resumption-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/056-power-failure-and-resumption-alarm-project-thumbnail.webpPower Failure and Resumption Alarm project thumbnailPower Failure and Resumption Alarm project thumbnail featuring Buzzer, Power supply, Transformerhttps://arduino.org.in/projects/57-zener-value-evaluator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/057-zener-value-evaluator-project-thumbnail.webpZener Value Evaluator project thumbnailZener Value Evaluator project thumbnail featuring NE555, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/58-doorbell-cum-visitor-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/058-doorbell-cum-visitor-indicator-project-thumbnail.webpDoorbell-Cum-Visitor Indicator project thumbnailDoorbell-Cum-Visitor Indicator project thumbnail featuring BC548, T1, T2 - transistor stages identified in the circuit, LED1, LED2, LED16 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/59-liquid-level-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/059-liquid-level-alarm-project-thumbnail.webpLiquid level alarm project thumbnailLiquid level alarm project thumbnail featuring Speaker, NEGATIVE, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/60-electronic-fuse2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/060-electronic-fuse-project-thumbnail.webpElectronic Fuse project thumbnailElectronic Fuse project thumbnail featuring Buzzer, Power supply, LED1, LED2 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/61-water-tank-overflow-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/061-water-tank-overflow-indicator-project-thumbnail.webpWater Tank Overflow Indicator project thumbnailWater Tank Overflow Indicator project thumbnail featuring Power supply, Transformer, NEGATIVEhttps://arduino.org.in/projects/62-simple-smoke-detector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/062-simple-smoke-detector-project-thumbnail.webpSimple smoke detector project thumbnailSimple smoke detector project thumbnail featuring Buzzer, Potentiometer, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/63-remote-emergency-alarm-for-unmanned-lifts2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/063-remote-emergency-alarm-for-unmanned-lifts-project-thumbnail.webpRemote Emergency Alarm for Unmanned Lifts project thumbnailRemote Emergency Alarm for Unmanned Lifts project thumbnail featuring Buzzer, Power supply, CD4541https://arduino.org.in/projects/64-audio-controlled-running-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/064-audio-controlled-running-light-project-thumbnail.webpAudio Controlled Running Light project thumbnailAudio Controlled Running Light project thumbnail featuring CD4017, T1 - transistor stage identified in the circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/65-power-supply-reversal-correcter-cum-preventer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/065-power-supply-reversal-correcter-cum-preventer-project-thumbnail.webpPower Supply Reversal Correcter cum Preventer project thumbnailPower Supply Reversal Correcter cum Preventer project thumbnail featuring Power supply, LED1, LED2 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/66-capacitor-evaluator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/066-capacitor-evaluator-project-thumbnail.webpCapacitor Evaluator project thumbnailCapacitor Evaluator project thumbnail featuring Capacitor under test, Known-value reference capacitor, Display unit shown in the schematichttps://arduino.org.in/projects/67-pin-diode-based-fire-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/067-pin-diode-based-fire-sensor-project-thumbnail.webpPIN Diode Based Fire Sensor project thumbnailPIN Diode Based Fire Sensor project thumbnail featuring Buzzer, IR sensor, NEARBYhttps://arduino.org.in/projects/68-blown-fuse-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/068-blown-fuse-indicator-project-thumbnail.webpBlown Fuse Indicator project thumbnailBlown Fuse Indicator project thumbnail featuring Fuse under test, Indicator lamp / LED shown in the schematic, Current-limiting resistor shown in the schematichttps://arduino.org.in/projects/69-ding-dong-touch-bell2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/069-ding-dong-touch-bell-project-thumbnail.webpDing Dong Touch Bell project thumbnailDing Dong Touch Bell project thumbnail featuring Speakerhttps://arduino.org.in/projects/70-low-cost-stopwatch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/070-low-cost-stopwatch-project-thumbnail.webpLow-cost Stopwatch project thumbnailLow-cost Stopwatch project thumbnail featuring MAXIMUM, CD4060, CD4013https://arduino.org.in/projects/71-digitally-adjustable-dancing-lights2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/071-digitally-adjustable-dancing-lights-project-thumbnail.webpDigitally Adjustable Dancing Lights project thumbnailDigitally Adjustable Dancing Lights project thumbnail featuring CD4017, LED1, LED2 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/72-shock-warning-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/072-shock-warning-circuit-project-thumbnail.webpShock Warning Circuit project thumbnailShock Warning Circuit project thumbnail featuring Buzzer, NEUTRAL, DB3 - specified parthttps://arduino.org.in/projects/73-ir-receiver-module-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/073-ir-receiver-module-tester-project-thumbnail.webpIR Receiver Module Tester project thumbnailIR Receiver Module Tester project thumbnail featuring Buzzer, NEAR, NEGATIVEhttps://arduino.org.in/projects/74-555-timer-pwm-audio-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/074-555-timer-pwm-audio-amplifier-project-thumbnail.webp555 Timer PWM Audio Amplifier project thumbnail555 Timer PWM Audio Amplifier project thumbnail featuring Transformer, CD-PLAYER, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/75-musical-water-shower2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/075-musical-water-shower-project-thumbnail.webpMusical Water Shower project thumbnailMusical Water Shower project thumbnail featuring NECK, BC-THAT, T1, T2, T3, T4, T5 - transistor stages identified in the circuithttps://arduino.org.in/projects/76-multipurpose-power-pulser2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/076-multipurpose-power-pulser-project-thumbnail.webpMultipurpose Power Pulser project thumbnailMultipurpose Power Pulser project thumbnail featuring Power supply, Potentiometer, LM555https://arduino.org.in/projects/77-continuity-tester-with-a-chirping-sound2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/077-continuity-tester-with-a-chirping-sound-project-thumbnail.webpContinuity Tester with a Chirping Sound project thumbnailContinuity Tester with a Chirping Sound project thumbnail featuring Buzzer, NEON, CD4017https://arduino.org.in/projects/78-electronic-combination-lock2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/078-electronic-combination-lock-project-thumbnail.webpElectronic Combination Lock project thumbnailElectronic Combination Lock project thumbnail featuring Push button, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/79-heat-control-unit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/079-heat-control-unit-project-thumbnail.webpHeat Control Unit project thumbnailHeat Control Unit project thumbnail featuring Power supply, Operational amplifier, NEGATIVEhttps://arduino.org.in/projects/80-electronic-heart2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/080-electronic-heart-project-thumbnail.webpElectronic Heart project thumbnailElectronic Heart project thumbnail featuring NE555, BC548, MAXIMUMhttps://arduino.org.in/projects/81-ultrasonic-sound-beam-burglar-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/081-ultrasonic-sound-beam-burglar-alarm-project-thumbnail.webpUltrasonic Sound Beam Burglar Alarm project thumbnailUltrasonic Sound Beam Burglar Alarm project thumbnail featuring Buzzer, Power supply, CD4001https://arduino.org.in/projects/82-sunset-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/082-sunset-lamp-project-thumbnail.webpSunset Lamp project thumbnailSunset Lamp project thumbnail featuring LDR, Power supply, NE555https://arduino.org.in/projects/83-electronic-dice2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/083-electronic-dice-project-thumbnail.webpElectronic Dice project thumbnailElectronic Dice project thumbnail featuring NE555https://arduino.org.in/projects/84-solid-state-relay2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/084-solid-state-relay-project-thumbnail.webpSolid-state relay project thumbnailSolid-state relay project thumbnail featuring BC547, BC557, IRF540 - MOSFEThttps://arduino.org.in/projects/85-car-porch-guard2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/085-car-porch-guard-project-thumbnail.webpCar Porch Guard project thumbnailCar Porch Guard project thumbnail featuring Buzzer, LM311, MAXIMIZEhttps://arduino.org.in/projects/86-wire-break-alarm-with-delay2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/086-wire-break-alarm-with-delay-project-thumbnail.webpWire Break Alarm with Delay project thumbnailWire Break Alarm with Delay project thumbnail featuring Power supply, CD4060, T2 - transistor stage identified in the circuithttps://arduino.org.in/projects/87-cordless-multi-door-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/087-cordless-multi-door-alarm-project-thumbnail.webpCordless Multi-Door Alarm project thumbnailCordless Multi-Door Alarm project thumbnail featuring Buzzer, Power supply, Transformerhttps://arduino.org.in/projects/88-school-college-quiz-buzzer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/088-school-college-quiz-buzzer-project-thumbnail.webpSchool/College Quiz Buzzer project thumbnailSchool/College Quiz Buzzer project thumbnail featuring Buzzer, Power supply, Transformerhttps://arduino.org.in/projects/89-mobile-phone-detector-using-lm3582026-08-02monthly0.8https://arduino.org.in/project-thumbnails/089-mobile-phone-detector-using-lm358-project-thumbnail.webpMobile Phone Detector Using LM358 project thumbnailMobile Phone Detector Using LM358 project thumbnail featuring Power supply, LM358, BC548https://arduino.org.in/projects/90-anti-sleep-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/090-anti-sleep-alarm-project-thumbnail.webpAnti-Sleep Alarm project thumbnailAnti-Sleep Alarm project thumbnail featuring Buzzer, LDR, NE555https://arduino.org.in/projects/91-ultrasonic-proximity-detector-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/091-ultrasonic-proximity-detector-circuit-project-thumbnail.webpUltrasonic Proximity Detector circuit project thumbnailUltrasonic Proximity Detector circuit project thumbnail featuring NEARBY, T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/92-automatic-parking-light-for-cars2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/092-automatic-parking-light-for-cars-project-thumbnail.webpAutomatic Parking Light for Cars project thumbnailAutomatic Parking Light for Cars project thumbnail featuring T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/93-peak-hour-timer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/093-peak-hour-timer-project-thumbnail.webpPeak Hour Timer project thumbnailPeak Hour Timer project thumbnail featuring LDR, NE555, CD4060https://arduino.org.in/projects/94-pressure-sensitive-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/094-pressure-sensitive-alarm-project-thumbnail.webpPressure Sensitive Alarm project thumbnailPressure Sensitive Alarm project thumbnail featuring Speaker, T1, T2 - transistor stages identified in the circuit, VR1, VR2 - preset potentiometers identified in the circuithttps://arduino.org.in/projects/95-crystal-based-50hz-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/095-crystal-based-50hz-generator-project-thumbnail.webpCrystal Based 50Hz Generator project thumbnailCrystal Based 50Hz Generator project thumbnail featuring CD4027, LM324, CD4060https://arduino.org.in/projects/96-electronic-ignition-system-for-old-cars2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/096-electronic-ignition-system-for-old-cars-project-thumbnail.webpElectronic Ignition System for Old Cars project thumbnailElectronic Ignition System for Old Cars project thumbnail featuring NEGATIVE, NEARLY, NEVERhttps://arduino.org.in/projects/97-versatile-cmos-ttl-logic-and-clock-probe2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/097-versatile-cmos-ttl-logic-and-clock-probe-project-thumbnail.webpVersatile CMOS/ TTL Logic and Clock Probe project thumbnailVersatile CMOS/ TTL Logic and Clock Probe project thumbnail featuring Buzzer, LM319, TIP-HAShttps://arduino.org.in/projects/98-pc-based-oscilloscope-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/098-pc-based-oscilloscope-using-arduino-project-thumbnail.webpPC-based Oscilloscope Using Arduino project thumbnailPC-based Oscilloscope Using Arduino project thumbnail featuring NEGATIVE, 1N4148https://arduino.org.in/projects/99-turn-your-old-inverter-into-an-emergency-power-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/099-turn-your-old-inverter-into-an-emergency-power-system-project-thumbnail.webpTurn Your Old Inverter into an Emergency Power System project thumbnailTurn Your Old Inverter into an Emergency Power System project thumbnail featuring Existing inverter, Inverter battery, Mains-sensing changeover relayhttps://arduino.org.in/projects/100-dc-motor-speed-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/100-dc-motor-speed-controller-project-thumbnail.webpDC Motor Speed Controller project thumbnailDC Motor Speed Controller project thumbnail featuring Servo motor, DC motor, Potentiometerhttps://arduino.org.in/projects/101-ac-powered-led-lamps-without-rectifiers2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/101-ac-powered-led-lamps-without-rectifiers-project-thumbnail.webpAC-Powered Led Lamps Without rectifiers project thumbnailAC-Powered Led Lamps Without rectifiers project thumbnail featuring Power supply, Transformerhttps://arduino.org.in/projects/102-easy-transistor-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/102-easy-transistor-tester-project-thumbnail.webpEasy Transistor Tester project thumbnailEasy Transistor Tester project thumbnail featuring LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/103-door-guard2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/103-door-guard-project-thumbnail.webpDoor Guard project thumbnailDoor Guard project thumbnail featuring Buzzer, LDR, Operational amplifierhttps://arduino.org.in/projects/104-low-cost-night-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/104-low-cost-night-lamp-project-thumbnail.webpLow-cost Night Lamp project thumbnailLow-cost Night Lamp project thumbnail featuring Power supply, Transformer, Operational amplifierhttps://arduino.org.in/projects/105-briefcase-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/105-briefcase-alarm-project-thumbnail.webpBriefcase Alarm project thumbnailBriefcase Alarm project thumbnail featuring Buzzer, LM358, NEGATIVEhttps://arduino.org.in/projects/106-low-cost-lpg-leakage-detector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/106-low-cost-lpg-leakage-detector-project-thumbnail.webpLow-Cost LPG Leakage Detector project thumbnailLow-Cost LPG Leakage Detector project thumbnail featuring Buzzer, Transformer, 1N4007https://arduino.org.in/projects/107-cupboard-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/107-cupboard-light-project-thumbnail.webpCupboard light project thumbnailCupboard light project thumbnail featuring CD4049, NEARLY, BC337https://arduino.org.in/projects/108-simple-antenna-preamplifier-for-am-radios2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/108-simple-antenna-preamplifier-for-am-radios-project-thumbnail.webpSimple Antenna Preamplifier for AM Radios project thumbnailSimple Antenna Preamplifier for AM Radios project thumbnail featuring Power supply, BC550, BC547https://arduino.org.in/projects/109-multifunction-power-supply2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/109-multifunction-power-supply-project-thumbnail.webpMultifunction Power Supply project thumbnailMultifunction Power Supply project thumbnail featuring Power supply, Transformer, MAXIMUMhttps://arduino.org.in/projects/110-micro-power-flasher2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/110-micro-power-flasher-project-thumbnail.webpMicro-Power Flasher project thumbnailMicro-Power Flasher project thumbnail featuring CD4093, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/111-optical-remote-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/111-optical-remote-switch-project-thumbnail.webpOptical Remote Switch project thumbnailOptical Remote Switch project thumbnail featuring CD4027, L14F - specified parthttps://arduino.org.in/projects/112-infrared-toggle-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/112-infrared-toggle-switch-project-thumbnail.webpInfrared Toggle Switch project thumbnailInfrared Toggle Switch project thumbnail featuring CD4538, NEGATIVE, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/113-contactless-telephone-ringer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/113-contactless-telephone-ringer-project-thumbnail.webpContactless Telephone Ringer project thumbnailContactless Telephone Ringer project thumbnail featuring Buzzer, T1, T2, T4 - transistor stages identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/114-automatic-wash-basin-mirror-lamp-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/114-automatic-wash-basin-mirror-lamp-controller-project-thumbnail.webpAutomatic Wash Basin Mirror Lamp Controller project thumbnailAutomatic Wash Basin Mirror Lamp Controller project thumbnail featuring 1N4148, BC548, T1, T2, T3 - transistor stages identified in the circuithttps://arduino.org.in/projects/115-auto-muting-during-telephonic-conversation2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/115-auto-muting-during-telephonic-conversation-project-thumbnail.webpAuto Muting During Telephonic Conversation project thumbnailAuto Muting During Telephonic Conversation project thumbnail featuring Power supply, Transformer, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/116-solar-powered-pedestal-lighting-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/116-solar-powered-pedestal-lighting-system-project-thumbnail.webpSolar-Powered Pedestal Lighting System project thumbnailSolar-Powered Pedestal Lighting System project thumbnail featuring Power supply, MAXIMUM, 1N5408https://arduino.org.in/projects/117-led-illumination-for-refrigerators2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/117-led-illumination-for-refrigerators-project-thumbnail.webpLED Illumination for Refrigerators project thumbnailLED Illumination for Refrigerators project thumbnail featuring Power supplyhttps://arduino.org.in/projects/118-electronic-reminder2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/118-electronic-reminder-project-thumbnail.webpElectronic Reminder project thumbnailElectronic Reminder project thumbnail featuring CD4029, MAXIMUM, CD4013https://arduino.org.in/projects/119-photodiode-based-fire-detector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/119-photodiode-based-fire-detector-project-thumbnail.webpPhotodiode-Based Fire Detector project thumbnailPhotodiode-Based Fire Detector project thumbnail featuring Power supply, Speaker, Perfboardhttps://arduino.org.in/projects/120-bodmas-rule-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/120-bodmas-rule-circuit-project-thumbnail.webpBODMAS Rule Circuit project thumbnailBODMAS Rule Circuit project thumbnail featuring Input selector switches, Arithmetic logic circuit shown in the schematic, Result indicator LEDshttps://arduino.org.in/projects/121-circuit-for-ups-to-hibernate-pc2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/121-circuit-for-ups-to-hibernate-pc-project-thumbnail.webpCircuit for UPS to Hibernate PC project thumbnailCircuit for UPS to Hibernate PC project thumbnail featuring NEGATIVE, CD4060, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/122-accurate-1hz-signal-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/122-accurate-1hz-signal-generator-project-thumbnail.webpAccurate 1Hz Signal Generator project thumbnailAccurate 1Hz Signal Generator project thumbnail featuring Transformer, CD4017, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/123-a-fourth-order-speech-filter-based-on-texas-instruments-application-note2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/123-a-fourth-order-speech-filter-based-on-texas-instruments-application-note-project-thumbnail.webpA Fourth-Order Speech Filter (Based on Texas Instruments Application Note) project thumbnailA Fourth-Order Speech Filter (Based on Texas Instruments Application Note) project thumbnail featuring Operational amplifier, LM324, LM358https://arduino.org.in/projects/124-smart-battery-protector-using-a-shunt-regulator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/124-smart-battery-protector-using-a-shunt-regulator-project-thumbnail.webpSmart Battery Protector Using a Shunt Regulator project thumbnailSmart Battery Protector Using a Shunt Regulator project thumbnail featuring Power supply, TL431 - integrated circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/125-microcontroller-based-tachometer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/125-microcontroller-based-tachometer-project-thumbnail.webpMicrocontroller-Based Tachometer project thumbnailMicrocontroller-Based Tachometer project thumbnail featuring Operational amplifier, TIP-ON, 2N2222https://arduino.org.in/projects/126-temperature-control-and-indicator-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/126-temperature-control-and-indicator-system-project-thumbnail.webpTemperature Control & Indicator System project thumbnailTemperature Control & Indicator System project thumbnail featuring Transformer, Temperature sensor, ATMEGA8535https://arduino.org.in/projects/127-stabilized-power-supply-for-prototyping2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/127-stabilized-power-supply-for-prototyping-project-thumbnail.webpStabilized Power Supply for Prototyping project thumbnailStabilized Power Supply for Prototyping project thumbnail featuring Power supply, Transformer, LM317Thttps://arduino.org.in/projects/128-infrared-burglar-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/128-infrared-burglar-alarm-project-thumbnail.webpInfrared Burglar Alarm project thumbnailInfrared Burglar Alarm project thumbnail featuring Buzzer, Power supply, IR sensorhttps://arduino.org.in/projects/129-street-light-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/129-street-light-controller-project-thumbnail.webpStreet Light Controller project thumbnailStreet Light Controller project thumbnail featuring CD4060, BT169 - specified part, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/130-light-operated-doorbell2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/130-light-operated-doorbell-project-thumbnail.webpLight Operated Doorbell project thumbnailLight Operated Doorbell project thumbnail featuring LDR, Power supply, Speakerhttps://arduino.org.in/projects/131-clock-tick-tock-sound-generator-and-led-pendulum2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/131-clock-tick-tock-sound-generator-and-led-pendulum-project-thumbnail.webpClock Tick-Tock Sound Generator & LED Pendulum project thumbnailClock Tick-Tock Sound Generator & LED Pendulum project thumbnail featuring Speaker, 1N4148, LED1, LED2, LED3, LED8 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/132-automatic-bike-turning-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/132-automatic-bike-turning-indicator-project-thumbnail.webpAutomatic Bike Turning Indicator project thumbnailAutomatic Bike Turning Indicator project thumbnail featuring NE555, LM393, 7805 - integrated circuithttps://arduino.org.in/projects/133-stabilized-power-supply-for-prototyping2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/133-stabilized-power-supply-for-prototyping-project-thumbnail.webpStabilized Power Supply for Prototyping project thumbnailStabilized Power Supply for Prototyping project thumbnail featuring Power supply, Transformer, LM317Thttps://arduino.org.in/projects/134-propeller-message-display-with-temperature-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/134-propeller-message-display-with-temperature-indicator-project-thumbnail.webpPropeller Message Display with Temperature Indicator project thumbnailPropeller Message Display with Temperature Indicator project thumbnail featuring Temperature sensor, MAX232, LED1, LED8 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/135-low-power-voltage-doubler2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/135-low-power-voltage-doubler-project-thumbnail.webpLow Power Voltage Doubler project thumbnailLow Power Voltage Doubler project thumbnail featuring NEGATIVE, NEGATIVELY, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/136-automatic-water-pump-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/136-automatic-water-pump-controller-project-thumbnail.webpAutomatic water pump controller project thumbnailAutomatic water pump controller project thumbnail featuring Power supply, CD4011, BC547https://arduino.org.in/projects/137-night-lamps2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/137-night-lamps-project-thumbnail.webpNight Lamps project thumbnailNight Lamps project thumbnail featuring LED1, LED12, LED13, LED36 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/138-continuity-tester-with-a-chirping-sound2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/138-continuity-tester-with-a-chirping-sound-project-thumbnail.webpContinuity Tester with a Chirping Sound project thumbnailContinuity Tester with a Chirping Sound project thumbnail featuring Buzzer, NEON, CD4017https://arduino.org.in/projects/139-circuit-for-ups-to-hybernate-computer-pc2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/139-circuit-for-ups-to-hybernate-computer-pc-project-thumbnail.webpCircuit for UPS to Hybernate Computer (PC) project thumbnailCircuit for UPS to Hybernate Computer (PC) project thumbnail featuring Power supply, NEGATIVE, CD4060https://arduino.org.in/projects/140-contactless-telephone-ringer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/140-contactless-telephone-ringer-project-thumbnail.webpContactless Telephone Ringer project thumbnailContactless Telephone Ringer project thumbnail featuring Buzzer, T1, T2, T4 - transistor stages identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/141-automatic-dimness-controlled-lighting-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/141-automatic-dimness-controlled-lighting-system-project-thumbnail.webpAutomatic Dimness Controlled Lighting System project thumbnailAutomatic Dimness Controlled Lighting System project thumbnail featuring LDR, BT136 - specified parthttps://arduino.org.in/projects/142-simple-hf-power-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/142-simple-hf-power-amplifier-project-thumbnail.webpSimple HF Power Amplifier project thumbnailSimple HF Power Amplifier project thumbnail featuring MAXIMUM, T1, T2 - transistor stages identified in the circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/143-demo-circuit-for-over-voltage-protection2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/143-demo-circuit-for-over-voltage-protection-project-thumbnail.webpDemo Circuit for Over-Voltage Protection project thumbnailDemo Circuit for Over-Voltage Protection project thumbnail featuring Potentiometer, 1N4007, BC548https://arduino.org.in/projects/144-3v-pc-adaptor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/144-3v-pc-adaptor-project-thumbnail.webp3V PC Adaptor project thumbnail3V PC Adaptor project thumbnail featuring LM334, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/145-pc-table-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/145-pc-table-lamp-project-thumbnail.webpPC Table Lamp project thumbnailPC Table Lamp project thumbnail featuring Transformerhttps://arduino.org.in/projects/146-audible-continuity-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/146-audible-continuity-tester-project-thumbnail.webpAudible Continuity Tester project thumbnailAudible Continuity Tester project thumbnail featuring Buzzer, LM339https://arduino.org.in/projects/147-anti-theft-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/147-anti-theft-alarm-project-thumbnail.webpAnti-Theft Alarm project thumbnailAnti-Theft Alarm project thumbnail featuring Buzzer, Power supply, Transformerhttps://arduino.org.in/projects/148-diac-controlled-flasher2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/148-diac-controlled-flasher-project-thumbnail.webpDIAC Controlled Flasher project thumbnailDIAC Controlled Flasher project thumbnail featuring NEON, BT136 - specified parthttps://arduino.org.in/projects/149-stereo-audio-distribution-buffer-for-headphones2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/149-stereo-audio-distribution-buffer-for-headphones-project-thumbnail.webpStereo audio Distribution Buffer for headphones project thumbnailStereo audio Distribution Buffer for headphones project thumbnail featuring Power supply, Operational amplifier, MAXIMUMhttps://arduino.org.in/projects/150-pin-diode-based-fire-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/150-pin-diode-based-fire-sensor-project-thumbnail.webpPIN Diode Based Fire Sensor project thumbnailPIN Diode Based Fire Sensor project thumbnail featuring Buzzer, CD4060, NEARhttps://arduino.org.in/projects/151-triple-mode-tone-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/151-triple-mode-tone-generator-project-thumbnail.webpTriple Mode Tone Generator project thumbnailTriple Mode Tone Generator project thumbnail featuring Speaker, LM556, LM555https://arduino.org.in/projects/152-bicycle-guard2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/152-bicycle-guard-project-thumbnail.webpBicycle Guard project thumbnailBicycle Guard project thumbnail featuring Buzzer, DC motor, Power supplyhttps://arduino.org.in/projects/153-panic-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/153-panic-alarm-project-thumbnail.webpPanic Alarm project thumbnailPanic Alarm project thumbnail featuring Speaker, T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/154-visual-ac-mains-voltage-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/154-visual-ac-mains-voltage-indicator-project-thumbnail.webpVisual AC Mains Voltage Indicator project thumbnailVisual AC Mains Voltage Indicator project thumbnail featuring Transformer, LM339, NETWORKhttps://arduino.org.in/projects/155-simple-low-cost-white-noise-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/155-simple-low-cost-white-noise-generator-project-thumbnail.webpSimple Low-Cost White Noise Generator project thumbnailSimple Low-Cost White Noise Generator project thumbnail featuring Power supply, BC547, T1, T2, T3 - transistor stages identified in the circuithttps://arduino.org.in/projects/156-traffic-light-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/156-traffic-light-controller-project-thumbnail.webpTraffic Light Controller project thumbnailTraffic Light Controller project thumbnail featuring Power supply, Transformer, 1N4001https://arduino.org.in/projects/157-weather-station-using-stm322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/157-weather-station-using-stm32-project-thumbnail.webpWeather Station Using STM32 project thumbnailWeather Station Using STM32 project thumbnail featuring STM32 (Blue Pill) (Blue Pill), DHT11 Sensor, Soil Moisture Sensorhttps://arduino.org.in/projects/158-simple-pulse-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/158-simple-pulse-generator-project-thumbnail.webpSimple Pulse Generator project thumbnailSimple Pulse Generator project thumbnail featuring CD4017https://arduino.org.in/projects/159-auto-reset-over-under-voltage-cut-out2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/159-auto-reset-over-under-voltage-cut-out-project-thumbnail.webpAuto Reset Over/Under Voltage Cut-Out project thumbnailAuto Reset Over/Under Voltage Cut-Out project thumbnail featuring Power supply, NEGATIVE, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/160-this-stereo-amplifier-is-simple-to-make2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/160-this-stereo-amplifier-is-simple-to-make-project-thumbnail.webpThis Stereo Amplifier Is Simple to Make project thumbnailThis Stereo Amplifier Is Simple to Make project thumbnail featuring Power supply, Speaker, CD6283https://arduino.org.in/projects/161-simple-touch-sensitive-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/161-simple-touch-sensitive-switch-project-thumbnail.webpSimple Touch Sensitive Switch project thumbnailSimple Touch Sensitive Switch project thumbnail featuring Power supply, CD4011, BC547https://arduino.org.in/projects/162-multi-way-switch-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/162-multi-way-switch-circuit-project-thumbnail.webpMulti-way Switch Circuit project thumbnailMulti-way Switch Circuit project thumbnail featuring NE555, CD4042, MAXIMUMhttps://arduino.org.in/projects/163-car-reverse-horn2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/163-car-reverse-horn-project-thumbnail.webpCar Reverse Horn project thumbnailCar Reverse Horn project thumbnail featuring Speaker, BD139 - transistor, T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/164-bicycle-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/164-bicycle-indicator-project-thumbnail.webpBicycle Indicator project thumbnailBicycle Indicator project thumbnail featuring T1, T2, T3, T4 - transistor stages identified in the circuit, LED1, LED2, LED3, LED4, LED5, LED6 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/165-fridge-door-alarm-circuit-using-555-and-ldr2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/165-fridge-door-alarm-circuit-using-555-and-ldr-project-thumbnail.webpFridge Door Alarm Circuit using 555 and LDR project thumbnailFridge Door Alarm Circuit using 555 and LDR project thumbnail featuring timer IC - two of them, Putting the wires together, 1N4007 - diodehttps://arduino.org.in/projects/166-3-phase-motor-programmable-on-and-off-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/166-3-phase-motor-programmable-on-and-off-controller-project-thumbnail.webp3 Phase Motor Programmable on and Off Controller project thumbnail3 Phase Motor Programmable on and Off Controller project thumbnail featuring Power supply, Transformerhttps://arduino.org.in/projects/167-digital-frequency-meter-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/167-digital-frequency-meter-using-arduino-project-thumbnail.webpDigital Frequency Meter Using Arduino project thumbnailDigital Frequency Meter Using Arduino project thumbnail featuring Bridge rectifier, Optocoupler, Arduino Unohttps://arduino.org.in/projects/168-musical-af-if-checker2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/168-musical-af-if-checker-project-thumbnail.webpMusical AF/IF checker project thumbnailMusical AF/IF checker project thumbnail featuring Transformer, Crystal oscillatorhttps://arduino.org.in/projects/169-flashing-light-with-twilight-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/169-flashing-light-with-twilight-switch-project-thumbnail.webpFlashing Light with twilight switch project thumbnailFlashing Light with twilight switch project thumbnail featuring C1 = 1 µF – 10 µF, Semiconductors, BC547B - transistorhttps://arduino.org.in/projects/170-automatic-temperature-controlled-fan2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/170-automatic-temperature-controlled-fan-project-thumbnail.webpAutomatic Temperature Controlled Fan project thumbnailAutomatic Temperature Controlled Fan project thumbnail featuring Semiconductors, T1, T2 = SL100, D1 – D6 = 1N4001 (rectifier diode) (rectifier diode) Miscellaneoushttps://arduino.org.in/projects/171-sound-operated-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/171-sound-operated-light-project-thumbnail.webpSound Operated Light project thumbnailSound Operated Light project thumbnail featuring C1 = 0.1 µF; C2 = 470 µF/35V, Semiconductors, respectively. Miscellaneoushttps://arduino.org.in/projects/172-electronics-thermometer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/172-electronics-thermometer-project-thumbnail.webpElectronics Thermometer project thumbnailElectronics Thermometer project thumbnail featuring KΩ, Semiconductors, Miscellaneoushttps://arduino.org.in/projects/173-milli-ohm-meter-with-0-1-to-1-ohm-range2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/173-milli-ohm-meter-with-0-1-to-1-ohm-range-project-thumbnail.webpMilli-Ohm Meter with 0.1 To 1-Ohm Range project thumbnailMilli-Ohm Meter with 0.1 To 1-Ohm Range project thumbnail featuring Arduino Uno, LCD display, ATMEGA328Phttps://arduino.org.in/projects/174-70-40-watts-hi-fi-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/174-70-40-watts-hi-fi-amplifier-project-thumbnail.webp70/40 Watts Hi-Fi amplifier project thumbnail70/40 Watts Hi-Fi amplifier project thumbnail featuring Ω; R11 = 3.3 KΩ; R12, R17 = 680 Ω, Semiconductors, Miscellaneoushttps://arduino.org.in/projects/175-thermistor-based-fire-alarm-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/175-thermistor-based-fire-alarm-system-project-thumbnail.webpThermistor-Based Fire Alarm System project thumbnailThermistor-Based Fire Alarm System project thumbnail featuring Semiconductors, D1 = 1N4001, Miscellaneoushttps://arduino.org.in/projects/176-light-sensitive-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/176-light-sensitive-switch-project-thumbnail.webpLight sensitive switch project thumbnailLight sensitive switch project thumbnail featuring (preset), C1 = 100 µF/16, Semiconductorshttps://arduino.org.in/projects/177-no-load-and-overload-protector-for-ac-motors2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/177-no-load-and-overload-protector-for-ac-motors-project-thumbnail.webpNo-Load and Overload Protector for AC Motors project thumbnailNo-Load and Overload Protector for AC Motors project thumbnail featuring Power supply, Transformer, NE555https://arduino.org.in/projects/178-microphone-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/178-microphone-amplifier-project-thumbnail.webpMicrophone Amplifier project thumbnailMicrophone Amplifier project thumbnail featuring Resisters, VR=11 KΩ, C1=47μ , 10V; C2,C3=0.1μ; C4=220μ, 10V; C5=10μhttps://arduino.org.in/projects/179-multi-switch-controlled-relay2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/179-multi-switch-controlled-relay-project-thumbnail.webpMulti Switch Controlled Relay project thumbnailMulti Switch Controlled Relay project thumbnail featuring Semiconductors, IC1 = CD4077; T1 = BC547B; D1 = 1N4148, Miscellaneoushttps://arduino.org.in/projects/180-walky-talky-without-using-inductor-or-coil2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/180-walky-talky-without-using-inductor-or-coil-project-thumbnail.webpWalky-talky without using inductor or coil project thumbnailWalky-talky without using inductor or coil project thumbnail featuring KΩ, Semiconductors, Miscellaneoushttps://arduino.org.in/projects/181-ohm-meter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/181-ohm-meter-project-thumbnail.webpOhm Meter project thumbnailOhm Meter project thumbnail featuring Resisters, R1=27K; R2=3.3K; R3=3.3K; R4=330K; VR1=100 OHM DIODES, D1=1N4001; D2=1N4001https://arduino.org.in/projects/182-electronics-counter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/182-electronics-counter-project-thumbnail.webpElectronics Counter project thumbnailElectronics Counter project thumbnail featuring Semiconductors, Display FND 507 if you subtract D1 from D4, Miscellaneoushttps://arduino.org.in/projects/183-clap-operated-remote-control-for-fans2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/183-clap-operated-remote-control-for-fans-project-thumbnail.webpClap operated Remote Control for Fans project thumbnailClap operated Remote Control for Fans project thumbnail featuring Semiconductors, BEL187; D1, D2 = 1N4001 silicon diode, Miscellaneoushttps://arduino.org.in/projects/184-mobile-cellphone-charger2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/184-mobile-cellphone-charger-project-thumbnail.webpMobile cellphone charger project thumbnailMobile cellphone charger project thumbnail featuring Power supply, NE555, 2N4922https://arduino.org.in/projects/185-test-a-diode-zener-diode2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/185-test-a-diode-zener-diode-project-thumbnail.webpTest a Diode | Zener Diode project thumbnailTest a Diode | Zener Diode project thumbnail featuring R1=2.2K; R2=10K; R3=680 Ohm; R4=1.2 K; R5=10K , 0.5W TRANSISTORS, C1=470μ 35V; C2=1μ 40V DIODES, D1=LED; D2 -D5=1N4001 OTHERShttps://arduino.org.in/projects/186-sound-pressure-meter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/186-sound-pressure-meter-project-thumbnail.webpSound Pressure Meter project thumbnailSound Pressure Meter project thumbnail featuring R1=2.2K; R2=10K; R3=680 Ohm; R4=1.2 K; R5=10K , 0.5W TRANSISTORS, C1=470μ 35V; C2=1μ 40V DIODES, D1=LED; D2 -D5=1N4001 OTHERShttps://arduino.org.in/projects/187-watch-man-watcher2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/187-watch-man-watcher-project-thumbnail.webpWatch Man Watcher project thumbnailWatch Man Watcher project thumbnail featuring LDR, Power supply, TIP-ANDhttps://arduino.org.in/projects/188-under-over-voltage-beep-for-manual-stabilizer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/188-under-over-voltage-beep-for-manual-stabilizer-project-thumbnail.webpUnder-/Over-Voltage Beep for Manual Stabilizer project thumbnailUnder-/Over-Voltage Beep for Manual Stabilizer project thumbnail featuring Buzzer, Transformer, T2, T3, T4, T5 - transistor stages identified in the circuithttps://arduino.org.in/projects/189-solar-tracking-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/189-solar-tracking-system-project-thumbnail.webpSolar Tracking System project thumbnailSolar Tracking System project thumbnail featuring MAXIMUM, LM339, L293D - specified parthttps://arduino.org.in/projects/190-automatic-heat-detector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/190-automatic-heat-detector-project-thumbnail.webpAutomatic Heat Detector project thumbnailAutomatic Heat Detector project thumbnail featuring BC109, BC147, T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/191-automatic-water-pump-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/191-automatic-water-pump-controller-project-thumbnail.webpAutomatic Water Pump Controller project thumbnailAutomatic Water Pump Controller project thumbnail featuring Power supply, CD4011https://arduino.org.in/projects/192-little-power-hila-vinegar-battery-to-power-a-calculator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/192-little-power-hila-vinegar-battery-to-power-a-calculator-project-thumbnail.webpLittle Power-Hila Vinegar Battery to power a calculator project thumbnailLittle Power-Hila Vinegar Battery to power a calculator project thumbnail featuring Low-power LCD calculator, Copper electrode, Zinc electrodehttps://arduino.org.in/projects/193-night-vision-enhancer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/193-night-vision-enhancer-project-thumbnail.webpNight Vision Enhancer project thumbnailNight Vision Enhancer project thumbnail featuring Transformer, NEGATIVE, 7805 - integrated circuithttps://arduino.org.in/projects/194-emergency-photo-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/194-emergency-photo-lamp-project-thumbnail.webpEmergency Photo Lamp project thumbnailEmergency Photo Lamp project thumbnail featuring CD-BATTERY, NEVER, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/195-1w-led-for-automotive-applications2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/195-1w-led-for-automotive-applications-project-thumbnail.webp1W LED for Automotive Applications project thumbnail1W LED for Automotive Applications project thumbnail featuring MAXIMUM, LM317https://arduino.org.in/projects/196-play-with-robotic-eye-ir-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/196-play-with-robotic-eye-ir-sensor-project-thumbnail.webpPlay with Robotic Eye (IR Sensor) project thumbnailPlay with Robotic Eye (IR Sensor) project thumbnail featuring IR LED transmitter, IR receiving LED / photodiode, LM358 dual operational-amplifier IChttps://arduino.org.in/projects/197-faulty-car-indicator-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/197-faulty-car-indicator-alarm-project-thumbnail.webpFaulty Car Indicator Alarm project thumbnailFaulty Car Indicator Alarm project thumbnail featuring BC557 PNP transistors (2), 12V changeover relay, 1N4001 diodehttps://arduino.org.in/projects/198-long-range-burglar-alarm-using-laser-torch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/198-long-range-burglar-alarm-using-laser-torch-project-thumbnail.webpLong-range Burglar Alarm Using Laser Torch project thumbnailLong-range Burglar Alarm Using Laser Torch project thumbnail featuring Buzzer, 2N5777, T1, T2, T6, T7 - transistor stages identified in the circuithttps://arduino.org.in/projects/199-soldering-iron-temperature-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/199-soldering-iron-temperature-controller-project-thumbnail.webpSoldering Iron Temperature Controller project thumbnailSoldering Iron Temperature Controller project thumbnail featuring BT136 TRIAC, DB3 DIAC, 100k potentiometerhttps://arduino.org.in/projects/200-make-your-own-electric-bug-zapper2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/200-make-your-own-electric-bug-zapper-project-thumbnail.webpMake your own Electric Bug Zapper project thumbnailMake your own Electric Bug Zapper project thumbnail featuring 11W 365nm UV lamp, 1N4007 rectifier diodes (7), 0.47uF 630V capacitors (6)https://arduino.org.in/projects/201-timer-for-mosquito-destroyer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/201-timer-for-mosquito-destroyer-project-thumbnail.webpTimer for Mosquito Destroyer project thumbnailTimer for Mosquito Destroyer project thumbnail featuring Power supply, Transformer, NEUTRALhttps://arduino.org.in/projects/202-radiation-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/202-radiation-sensor-project-thumbnail.webpRadiation Sensor project thumbnailRadiation Sensor project thumbnail featuring TL071 operational amplifier, LM3915 display driver, 12V relay coil pickuphttps://arduino.org.in/projects/203-handy-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/203-handy-tester-project-thumbnail.webpHandy Tester project thumbnailHandy Tester project thumbnail featuring T1, T2 - transistor stages identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/204-strain-meter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/204-strain-meter-project-thumbnail.webpStrain Meter project thumbnailStrain Meter project thumbnail featuring NETWORK, VR1, VR2 - preset potentiometers identified in the circuithttps://arduino.org.in/projects/205-water-pump-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/205-water-pump-controller-project-thumbnail.webpWater Pump Controller project thumbnailWater Pump Controller project thumbnail featuring Transformer, MAXIMIZINGhttps://arduino.org.in/projects/206-timer-with-musical-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/206-timer-with-musical-alarm-project-thumbnail.webpTimer with Musical Alarm project thumbnailTimer with Musical Alarm project thumbnail featuring Power supply, CD4060, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/207-simple-key-hole-lighting-device2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/207-simple-key-hole-lighting-device-project-thumbnail.webpSimple Key-Hole Lighting Device project thumbnailSimple Key-Hole Lighting Device project thumbnail featuring T1 - transistor stage identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/208-ball-speed-checker2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/208-ball-speed-checker-project-thumbnail.webpBall Speed Checker project thumbnailBall Speed Checker project thumbnail featuring Buzzer, LDR, Push buttonhttps://arduino.org.in/projects/209-halogen-lamp-saver-for-bikes2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/209-halogen-lamp-saver-for-bikes-project-thumbnail.webpHalogen lamp Saver for Bikes project thumbnailHalogen lamp Saver for Bikes project thumbnail featuring T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/210-hdd-selector-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/210-hdd-selector-switch-project-thumbnail.webpHDD Selector Switch project thumbnailHDD Selector Switch project thumbnail featuring Power supply, CD4093, LED1, LED2, LED4 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/211-simple-key-operated-gate-locking-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/211-simple-key-operated-gate-locking-system-project-thumbnail.webpSimple Key-Operated Gate Locking System project thumbnailSimple Key-Operated Gate Locking System project thumbnail featuring Buzzer, Power supply, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/212-mains-box-heat-monitor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/212-mains-box-heat-monitor-project-thumbnail.webpMains Box Heat Monitor project thumbnailMains Box Heat Monitor project thumbnail featuring Buzzer, Transformer, NE555https://arduino.org.in/projects/213-digital-soil-moisture-test2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/213-digital-soil-moisture-test-project-thumbnail.webpDigital Soil Moisture Test project thumbnailDigital Soil Moisture Test project thumbnail featuring LM3915, MAXIMUM, LED1, LED9 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/214-over-heating-indicator-for-water-pipe2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/214-over-heating-indicator-for-water-pipe-project-thumbnail.webpOver-Heating Indicator for Water Pipe project thumbnailOver-Heating Indicator for Water Pipe project thumbnail featuring Buzzer, MAXIMUM, LED1, LED2 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/215-linear-timer-for-general-use2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/215-linear-timer-for-general-use-project-thumbnail.webpLinear Timer for General Use project thumbnailLinear Timer for General Use project thumbnail featuring Potentiometer, NE555, Operational amplifierhttps://arduino.org.in/projects/216-noise-meter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/216-noise-meter-project-thumbnail.webpNoise Meter project thumbnailNoise Meter project thumbnail featuring Power supply, NEGATIVE, LM3914https://arduino.org.in/projects/217-mains-failure-and-resumption-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/217-mains-failure-and-resumption-alarm-project-thumbnail.webpMains Failure and Resumption Alarm project thumbnailMains Failure and Resumption Alarm project thumbnail featuring VR1, VR2 - preset potentiometers identified in the circuithttps://arduino.org.in/projects/218-multipurpose-white-led-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/218-multipurpose-white-led-light-project-thumbnail.webpMultipurpose White-LED Light project thumbnailMultipurpose White-LED Light project thumbnail featuring Potentiometer, LM317, NEITHERhttps://arduino.org.in/projects/219-ir-based-light-control2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/219-ir-based-light-control-project-thumbnail.webpIR Based Light Control project thumbnailIR Based Light Control project thumbnail featuring Transformer, NE555, IR sensorhttps://arduino.org.in/projects/220-sequential-device-control-using-tv-remote-control2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/220-sequential-device-control-using-tv-remote-control-project-thumbnail.webpSequential Device Control using TV Remote Control project thumbnailSequential Device Control using TV Remote Control project thumbnail featuring NE555, CD4017, T1, T9 - transistor stages identified in the circuithttps://arduino.org.in/projects/221-resistor-calculator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/221-resistor-calculator-project-thumbnail.webpResistor Calculator project thumbnailResistor Calculator project thumbnail featuring Windows computer, Resistor Calculator software, Resistor color-code referencehttps://arduino.org.in/projects/222-triple-mode-tone-generator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/222-triple-mode-tone-generator-project-thumbnail.webpTriple-Mode Tone Generator project thumbnailTriple-Mode Tone Generator project thumbnail featuring Speaker, LM556, LM555https://arduino.org.in/projects/223-ir-controlled-water-supply2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/223-ir-controlled-water-supply-project-thumbnail.webpIR-Controlled Water Supply project thumbnailIR-Controlled Water Supply project thumbnail featuring Power supply, NE555, BC548https://arduino.org.in/projects/224-twilight-blinker-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/224-twilight-blinker-lamp-project-thumbnail.webpTwilight blinker lamp project thumbnailTwilight blinker lamp project thumbnail featuring LDR, NEAR, CD-BATTERYhttps://arduino.org.in/projects/225-electronic-street-light-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/225-electronic-street-light-switch-project-thumbnail.webpElectronic Street Light Switch project thumbnailElectronic Street Light Switch project thumbnail featuring Power supply, T1, T2, T3 - transistor stages identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/226-standby-power-loss-preventer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/226-standby-power-loss-preventer-project-thumbnail.webpStandby Power-Loss Preventer project thumbnailStandby Power-Loss Preventer project thumbnail featuring Transformer, Operational amplifier, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/227-touch-sensitive-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/227-touch-sensitive-alarm-project-thumbnail.webpTouch Sensitive Alarm project thumbnailTouch Sensitive Alarm project thumbnail featuring Buzzer, T1 - transistor stage identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/228-hum-sensitive-touch-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/228-hum-sensitive-touch-alarm-project-thumbnail.webpHum-Sensitive Touch Alarm project thumbnailHum-Sensitive Touch Alarm project thumbnail featuring Metal touch plate or protected doorknob, Insulated sensor lead, Alarm buzzerhttps://arduino.org.in/projects/229-room-sound-monitor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/229-room-sound-monitor-project-thumbnail.webpRoom Sound Monitor project thumbnailRoom Sound Monitor project thumbnail featuring Transformer, Speaker, NEARhttps://arduino.org.in/projects/230-security-system-switcher2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/230-security-system-switcher-project-thumbnail.webpSecurity System Switcher project thumbnailSecurity System Switcher project thumbnail featuring Power supply, LMC555, CD4538Bhttps://arduino.org.in/projects/231-doorbell-controlled-security-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/231-doorbell-controlled-security-switch-project-thumbnail.webpDoorbell-controlled Security Switch project thumbnailDoorbell-controlled Security Switch project thumbnail featuring Power supply, BC547, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/232-pencell-charge-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/232-pencell-charge-indicator-project-thumbnail.webpPencell Charge Indicator project thumbnailPencell Charge Indicator project thumbnail featuring T1, T2 - transistor stages identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/233-power-resumption-alarm-and-low-voltage-protector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/233-power-resumption-alarm-and-low-voltage-protector-project-thumbnail.webpPower Resumption Alarm and Low Voltage Protector project thumbnailPower Resumption Alarm and Low Voltage Protector project thumbnail featuring Buzzer, Power supply, Transformerhttps://arduino.org.in/projects/234-flashing-led-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/234-flashing-led-light-project-thumbnail.webpFlashing LED Light project thumbnailFlashing LED Light project thumbnail featuring 1N4148, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/235-automatic-soldering-iron-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/235-automatic-soldering-iron-switch-project-thumbnail.webpAutomatic Soldering Iron Switch project thumbnailAutomatic Soldering Iron Switch project thumbnail featuring Buzzer, T1 - transistor stage identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/236-white-led-light-probe-for-inspection2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/236-white-led-light-probe-for-inspection-project-thumbnail.webpWhite LED Light Probe for Inspection project thumbnailWhite LED Light Probe for Inspection project thumbnail featuring T1 - transistor stage identified in the circuit, LED1 - indicator LED identified in the circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/237-calling-bell-using-an-intercom2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/237-calling-bell-using-an-intercom-project-thumbnail.webpCalling Bell Using an Intercom project thumbnailCalling Bell Using an Intercom project thumbnail featuring Buzzer, NE555, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/238-fm-bug2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/238-fm-bug-project-thumbnail.webpFM Bug project thumbnailFM Bug project thumbnail featuring 2N3904, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/239-digital-frequency-comparator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/239-digital-frequency-comparator-project-thumbnail.webpDigital Frequency Comparator project thumbnailDigital Frequency Comparator project thumbnail featuring Power supply, Potentiometer, NE555https://arduino.org.in/projects/240-bhajan-and-mantra-chanting-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/240-bhajan-and-mantra-chanting-amplifier-project-thumbnail.webpBhajan and Mantra Chanting Amplifier project thumbnailBhajan and Mantra Chanting Amplifier project thumbnail featuring LM386, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/241-low-cost-automation-using-pic16f6762026-08-02monthly0.8https://arduino.org.in/project-thumbnails/241-low-cost-automation-using-pic16f676-project-thumbnail.webpLow-Cost Automation Using PIC16F676 project thumbnailLow-Cost Automation Using PIC16F676 project thumbnail featuring Transformer, Push button, BC547https://arduino.org.in/projects/242-mains-box-heat-monitor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/242-mains-box-heat-monitor-project-thumbnail.webpMains Box Heat Monitor project thumbnailMains Box Heat Monitor project thumbnail featuring Buzzer, Transformer, NE555https://arduino.org.in/projects/243-tachometer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/243-tachometer-project-thumbnail.webpTachometer project thumbnailTachometer project thumbnail featuring CD4081, CD4069, CD4033https://arduino.org.in/projects/244-timer-from-old-quartz-clock2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/244-timer-from-old-quartz-clock-project-thumbnail.webpTimer from Old Quartz Clock project thumbnailTimer from Old Quartz Clock project thumbnail featuring Buzzer, CD4040, MAXIMUMhttps://arduino.org.in/projects/245-keep-away-ni-cd-from-memory-effect2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/245-keep-away-ni-cd-from-memory-effect-project-thumbnail.webpKeep Away Ni-Cd from Memory effect project thumbnailKeep Away Ni-Cd from Memory effect project thumbnail featuring CD-AWAY, T1 - transistor stage identified in the circuit, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/246-periodically-on-off-mosquito-ad-hoc-circuit2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/246-periodically-on-off-mosquito-ad-hoc-circuit-project-thumbnail.webpPeriodically on off Mosquito ad hoc circuit project thumbnailPeriodically on off Mosquito ad hoc circuit project thumbnail featuring Power supply, Transformer, NERVEShttps://arduino.org.in/projects/247-crystal-am-transmitter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/247-crystal-am-transmitter-project-thumbnail.webpCrystal AM Transmitter project thumbnailCrystal AM Transmitter project thumbnail featuring Power supply, Transformer, Crystal oscillatorhttps://arduino.org.in/projects/248-programmable-electronic-dice2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/248-programmable-electronic-dice-project-thumbnail.webpProgrammable Electronic Dice project thumbnailProgrammable Electronic Dice project thumbnail featuring MAXIMUMhttps://arduino.org.in/projects/249-pc-based-candle-igniter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/249-pc-based-candle-igniter-project-thumbnail.webpPC Based Candle Igniter project thumbnailPC Based Candle Igniter project thumbnail featuring BC548, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/250-sound-operated-intruder-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/250-sound-operated-intruder-alarm-project-thumbnail.webpSound Operated Intruder Alarm project thumbnailSound Operated Intruder Alarm project thumbnail featuring Transformer, Speaker, CD4027https://arduino.org.in/projects/251-versatile-led-display2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/251-versatile-led-display-project-thumbnail.webpVersatile LED Display project thumbnailVersatile LED Display project thumbnail featuring CD4040, LED1, LED2, LED4, LED5, LED8 - indicator LEDs identified in the circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/252-multiutility-flash-light2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/252-multiutility-flash-light-project-thumbnail.webpMultiutility flash light project thumbnailMultiutility flash light project thumbnail featuring Operational amplifier, LM358, 2N2222https://arduino.org.in/projects/253-twi-light-using-white-leds2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/253-twi-light-using-white-leds-project-thumbnail.webpTwi-light using white LEDs project thumbnailTwi-light using white LEDs project thumbnail featuring LDR, NEITHER, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/254-pc-timer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/254-pc-timer-project-thumbnail.webpPC Timer project thumbnailPC Timer project thumbnail featuring Power supply, CD4060, CD4093https://arduino.org.in/projects/255-infrared-object-counter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/255-infrared-object-counter-project-thumbnail.webpInfrared Object Counter project thumbnailInfrared Object Counter project thumbnail featuring Power supply, Transformer, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/256-pushbutton-control-for-single-phase-appliances2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/256-pushbutton-control-for-single-phase-appliances-project-thumbnail.webpPushbutton Control for Single-Phase Appliances project thumbnailPushbutton Control for Single-Phase Appliances project thumbnail featuring Power supply, Transformer, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/257-soldering-iron-tip-preserver2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/257-soldering-iron-tip-preserver-project-thumbnail.webpSoldering Iron Tip preserver project thumbnailSoldering Iron Tip preserver project thumbnail featuring TIP-OF, TIP-OXIDIZES, TIP-THAThttps://arduino.org.in/projects/258-overspeed-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/258-overspeed-indicator-project-thumbnail.webpOverspeed Indicator project thumbnailOverspeed Indicator project thumbnail featuring DC motor, Operational amplifier, LED1, LED2, LED3 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/259-automatic-washbasin-tap-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/259-automatic-washbasin-tap-controller-project-thumbnail.webpAutomatic Washbasin Tap Controller project thumbnailAutomatic Washbasin Tap Controller project thumbnail featuring IR sensor, BC548, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/260-1-5w-power-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/260-1-5w-power-amplifier-project-thumbnail.webp1.5W Power Amplifier project thumbnail1.5W Power Amplifier project thumbnail featuring Power supply, Speaker, 2N5484https://arduino.org.in/projects/261-wireless-stepper-motor-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/261-wireless-stepper-motor-controller-project-thumbnail.webpWireless Stepper Motor Controller project thumbnailWireless Stepper Motor Controller project thumbnail featuring Stepper motor, NE555, ULN2003https://arduino.org.in/projects/262-battery-low-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/262-battery-low-indicator-project-thumbnail.webpBattery Low Indicator project thumbnailBattery Low Indicator project thumbnail featuring LM319, LM385, 7805 - integrated circuithttps://arduino.org.in/projects/263-speed-checker-for-highways2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/263-speed-checker-for-highways-project-thumbnail.webpSpeed Checker for Highways project thumbnailSpeed Checker for Highways project thumbnail featuring LDR, NE555, CD4026https://arduino.org.in/projects/264-simple-stereo-level-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/264-simple-stereo-level-indicator-project-thumbnail.webpSimple Stereo Level Indicator project thumbnailSimple Stereo Level Indicator project thumbnail featuring Speaker, LM3915, VR1, VR2 - preset potentiometers identified in the circuithttps://arduino.org.in/projects/265-manual-eprom-programmer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/265-manual-eprom-programmer-project-thumbnail.webpManual EPROM Programmer project thumbnailManual EPROM Programmer project thumbnail featuring Power supply, Transformer, NE555https://arduino.org.in/projects/266-noise-muting-fm-receiver2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/266-noise-muting-fm-receiver-project-thumbnail.webpNoise Muting FM Receiver project thumbnailNoise Muting FM Receiver project thumbnail featuring Power supply, LM386, CD40106https://arduino.org.in/projects/267-pc-based-stepper-motor-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/267-pc-based-stepper-motor-controller-project-thumbnail.webpPC Based Stepper Motor Controller project thumbnailPC Based Stepper Motor Controller project thumbnail featuring Stepper motor, Power supply, Transformerhttps://arduino.org.in/projects/268-digital-audio-video-input-selector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/268-digital-audio-video-input-selector-project-thumbnail.webpDigital Audio/Video Input Selector project thumbnailDigital Audio/Video Input Selector project thumbnail featuring T1 - transistor stage identified in the circuit, LED1, LED2, LED3, LED4, LED5, LED6 - indicator LEDs identified in the circuithttps://arduino.org.in/projects/269-automatic-bathroom-light-with-back-up-lamp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/269-automatic-bathroom-light-with-back-up-lamp-project-thumbnail.webpAutomatic Bathroom Light with Back-up Lamp project thumbnailAutomatic Bathroom Light with Back-up Lamp project thumbnail featuring Transformer, NE555, CD4060https://arduino.org.in/projects/270-simple-low-power-inverter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/270-simple-low-power-inverter-project-thumbnail.webpSimple Low-Power Inverter project thumbnailSimple Low-Power Inverter project thumbnail featuring Transformer, CD4047, ULN2004https://arduino.org.in/projects/271-mains-interruption-counter-with-indicator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/271-mains-interruption-counter-with-indicator-project-thumbnail.webpMains Interruption Counter with Indicator project thumbnailMains Interruption Counter with Indicator project thumbnail featuring CD4033https://arduino.org.in/projects/272-fm-adaptor-for-car-stereo2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/272-fm-adaptor-for-car-stereo-project-thumbnail.webpFM Adaptor for Car Stereo project thumbnailFM Adaptor for Car Stereo project thumbnail featuring NEARhttps://arduino.org.in/projects/273-panic-plate2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/273-panic-plate-project-thumbnail.webpPanic Plate project thumbnailPanic Plate project thumbnail featuring Speaker, T1, T2 - transistor stages identified in the circuit, LED3 - indicator LED identified in the circuithttps://arduino.org.in/projects/274-twinkle-twinkle-x-mas-star2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/274-twinkle-twinkle-x-mas-star-project-thumbnail.webpTwinkle Twinkle X’mas Star project thumbnailTwinkle Twinkle X’mas Star project thumbnail featuring BT136 - specified part, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/275-car-fan-speed-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/275-car-fan-speed-controller-project-thumbnail.webpCar Fan Speed Controller project thumbnailCar Fan Speed Controller project thumbnail featuring NEGATIVE, T1 - transistor stage identified in the circuit, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/276-in-car-food-and-beverage-warmer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/276-in-car-food-and-beverage-warmer-project-thumbnail.webpIn Car Food and Beverage Warmer project thumbnailIn Car Food and Beverage Warmer project thumbnail featuring 1N4148, TIP120, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/277-flasher2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/277-flasher-project-thumbnail.webpFlasher project thumbnailFlasher project thumbnail featuring Two NPN switching transistors, Timing capacitor shown in the schematic, Two transistor-bias resistorshttps://arduino.org.in/projects/278-home-automation-using-apple-homekit-and-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/278-home-automation-using-apple-homekit-and-esp8266-project-thumbnail.webpHome Automation Using Apple HomeKit and ESP8266 project thumbnailHome Automation Using Apple HomeKit and ESP8266 project thumbnail featuring ESP8266, NodeMCU, Relay modulehttps://arduino.org.in/projects/279-hot-water-ready-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/279-hot-water-ready-alarm-project-thumbnail.webpHot-Water-Ready Alarm project thumbnailHot-Water-Ready Alarm project thumbnail featuring Kettle thermal-switch pickup, Piezo buzzer, Switching stage shown in the schematichttps://arduino.org.in/projects/280-optical-smoke-detector2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/280-optical-smoke-detector-project-thumbnail.webpOptical Smoke Detector project thumbnailOptical Smoke Detector project thumbnail featuring NE555, NEAR, T1 - transistor stage identified in the circuithttps://arduino.org.in/projects/281-capacitance-multiplier-power-supply2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/281-capacitance-multiplier-power-supply-project-thumbnail.webpCapacitance-Multiplier Power Supply project thumbnailCapacitance-Multiplier Power Supply project thumbnail featuring Power supply, Transformer, T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/282-wireless-pa-for-classrooms2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/282-wireless-pa-for-classrooms-project-thumbnail.webpWireless PA for Classrooms project thumbnailWireless PA for Classrooms project thumbnail featuring BC547, TDA2030 - integrated circuit, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/283-low-cost-battery-charger2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/283-low-cost-battery-charger-project-thumbnail.webpLow-Cost Battery Charger project thumbnailLow-Cost Battery Charger project thumbnail featuring 1N4001https://arduino.org.in/projects/284-simple-automatic-water-level-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/284-simple-automatic-water-level-controller-project-thumbnail.webpSimple Automatic Water-Level Controller project thumbnailSimple Automatic Water-Level Controller project thumbnail featuring Power supply, NE555, CD4049https://arduino.org.in/projects/285-touch-based-doorbell2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/285-touch-based-doorbell-project-thumbnail.webpTouch Based Doorbell project thumbnailTouch Based Doorbell project thumbnail featuring Buzzer, CD4007B, T1, T2 - transistor stages identified in the circuithttps://arduino.org.in/projects/286-electronic-ludo2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/286-electronic-ludo-project-thumbnail.webpElectronic Ludo project thumbnailElectronic Ludo project thumbnail featuring Power supply, NEGATIVEhttps://arduino.org.in/projects/287-motorbike-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/287-motorbike-alarm-project-thumbnail.webpMotorbike Alarm project thumbnailMotorbike Alarm project thumbnail featuring T1, T2, T3, T4 - transistor stages identified in the circuithttps://arduino.org.in/projects/288-dual-motor-control-for-robots2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/288-dual-motor-control-for-robots-project-thumbnail.webpDual Motor Control for Robots project thumbnailDual Motor Control for Robots project thumbnail featuring LDR, BC547, BC338https://arduino.org.in/projects/289-environment-and-weather-monitoring-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/289-environment-and-weather-monitoring-system-project-thumbnail.webpEnvironment and Weather Monitoring System project thumbnailEnvironment and Weather Monitoring System project thumbnail featuring Environmental temperature sensor shown in the wiring diagram, Humidity sensor shown in the wiring diagram, Barometric-pressure sensor shown in the wiring diagramhttps://arduino.org.in/projects/290-long-range-ir-transmitter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/290-long-range-ir-transmitter-project-thumbnail.webpLong-Range IR Transmitter project thumbnailLong-Range IR Transmitter project thumbnail featuring BC547, BC557, CD4047https://arduino.org.in/projects/291-bench-power-supply-using-a-computer-s-power-supply2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/291-bench-power-supply-using-a-computer-s-power-supply-project-thumbnail.webpBench Power Supply Using a Computer’s Power Supply project thumbnailBench Power Supply Using a Computer’s Power Supply project thumbnail featuring Power supply, LM338K, LM317https://arduino.org.in/projects/292-leakage-and-continuity-tester2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/292-leakage-and-continuity-tester-project-thumbnail.webpLeakage and Continuity Tester project thumbnailLeakage and Continuity Tester project thumbnail featuring TIP-AND, LED1 - indicator LED identified in the circuithttps://arduino.org.in/projects/293-5-watt-audio-amplifier-using-ta72222026-08-02monthly0.8https://arduino.org.in/project-thumbnails/293-5-watt-audio-amplifier-using-ta7222-project-thumbnail.webp5-Watt Audio Amplifier Using TA7222 project thumbnail5-Watt Audio Amplifier Using TA7222 project thumbnail featuring Power supply, Potentiometer, Speakerhttps://arduino.org.in/projects/294-battery-powered-night-lamp-using-an-old-led-bulb2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/294-battery-powered-night-lamp-using-an-old-led-bulb-project-thumbnail.webpBattery-Powered Night Lamp Using an Old LED Bulb project thumbnailBattery-Powered Night Lamp Using an Old LED Bulb project thumbnail featuring Operational amplifier, MAXIMUM, VR1 - preset potentiometer identified in the circuithttps://arduino.org.in/projects/295-touchscreen-and-glcd-based-home-automation2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/295-touchscreen-and-glcd-based-home-automation-project-thumbnail.webpTouchscreen and GLCD-Based Home Automation project thumbnailTouchscreen and GLCD-Based Home Automation project thumbnail featuring Power supply, Transformer, ATMEGA16Ahttps://arduino.org.in/projects/296-gps-clock-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/296-gps-clock-using-arduino-project-thumbnail.webpGPS Clock using Arduino project thumbnailGPS Clock using Arduino project thumbnail featuring Arduino Uno, Power supply, GPS modulehttps://arduino.org.in/projects/297-optical-slave-flash-trigger2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/297-optical-slave-flash-trigger-project-thumbnail.webpOptical Slave Flash Trigger project thumbnailOptical Slave Flash Trigger project thumbnail featuring Potentiometerhttps://arduino.org.in/projects/298-automatic-water-refilled-for-air-coolers2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/298-automatic-water-refilled-for-air-coolers-project-thumbnail.webpAutomatic Water Refilled for Air-Coolers project thumbnailAutomatic Water Refilled for Air-Coolers project thumbnail featuring Speaker, NE555, BC547https://arduino.org.in/projects/299-electronic-horn2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/299-electronic-horn-project-thumbnail.webpElectronic Horn project thumbnailElectronic Horn project thumbnail featuring Transformer, LM3900, T2 - transistor stage identified in the circuithttps://arduino.org.in/projects/300-lme49710-based-audio-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/300-lme49710-based-audio-amplifier-project-thumbnail.webpLME49710 Based Audio Amplifier project thumbnailLME49710 Based Audio Amplifier project thumbnail featuring Power circuit, Simple input; usually buttons and LEDs, Programming interfacehttps://arduino.org.in/projects/301-arduino-based-autonomous-fire-fighting-robot2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/301-arduino-based-autonomous-fire-fighting-robot-project-thumbnail.webpArduino Based Autonomous Fire Fighting Robot project thumbnailArduino Based Autonomous Fire Fighting Robot project thumbnail featuring Arduino Uno R3, HC-SR04 ultrasonic distance sensor, Analog infrared flame sensor modulehttps://arduino.org.in/project-assets/arduino-autonomous-fire-fighting-robot-hero.webpArduino Uno Autonomous Fire-Fighting RobotCompleted Arduino autonomous fire-fighting robot with HC-SR04 obstacle scanning, flame detection, L293D motor control, nozzle servo, water tank and 12V pump.https://arduino.org.in/project-assets/arduino-fire-fighting-robot-components-parts-list.webpArduino Fire-Fighting Robot Components and PartsParts required for the Arduino robot: Uno controller, HC-SR04, two servos, flame sensor, L293D, geared motors, pump, tank, tubing, nozzle, chassis and driver electronics.https://arduino.org.in/themed-assets/asset-73d479e3a94e3f9d-atlas.pngArduino Fire-Fighting Robot System DiagramCircuit Atlas diagram connecting the Arduino to the flame sensor, ultrasonic scan servo, nozzle servo, pump driver and L293D motor stage.https://arduino.org.in/project-assets/301-dry-bench-calibration.webpArduino Fire-Fighting Robot Dry Bench TestSafe dry calibration of the flame and ultrasonic sensors with the pump disconnected and wheels raised.https://arduino.org.in/project-assets/301-controlled-obstacle-water-test.webpArduino Robot Controlled Water-Spray TestControlled obstacle and water-spray test with the water contained in a tray away from the electronics.https://arduino.org.in/projects/302-robot-snake-based-on-arduino-controlled-by-android2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/302-robot-snake-based-on-arduino-controlled-by-android-project-thumbnail.webpRobot Snake based on Arduino controlled by Android project thumbnailRobot Snake based on Arduino controlled by Android project thumbnail featuring Arduino mega, IR Sensor, Servo Motorshttps://arduino.org.in/projects/303-intelligent-gas-leakage-detector-based-on-iot2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/303-intelligent-gas-leakage-detector-based-on-iot-project-thumbnail.webpIntelligent Gas Leakage Detector based on IoT project thumbnailIntelligent Gas Leakage Detector based on IoT project thumbnail featuring Arduino, LCD, Wi-Fi modulehttps://arduino.org.in/projects/304-wireless-black-box-for-cars2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/304-wireless-black-box-for-cars-project-thumbnail.webpWireless Black Box for Cars project thumbnailWireless Black Box for Cars project thumbnail featuring Arduino 2560, GPS/Gsm module, Temperature Scannerhttps://arduino.org.in/projects/305-smart-charger-monitoring-system-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/305-smart-charger-monitoring-system-using-arduino-project-thumbnail.webpSmart Charger Monitoring System using Arduino project thumbnailSmart Charger Monitoring System using Arduino project thumbnail featuring Arduino Uno, Relay Drivers, LCD Displayhttps://arduino.org.in/projects/306-arduino-based-autonomous-fire-fighting-robot2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/306-arduino-based-autonomous-fire-fighting-robot-project-thumbnail.webpArduino Based Autonomous Fire Fighting Robot project thumbnailArduino Based Autonomous Fire Fighting Robot project thumbnail featuring Arduino Uno, Ultrasonic Sensor, Fire Fighter Robot Bodyhttps://arduino.org.in/projects/307-automatic-sketching-machine-project2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/307-automatic-sketching-machine-project-project-thumbnail.webpAutomatic Sketching Machine Project project thumbnailAutomatic Sketching Machine Project project thumbnail featuring Arduino UNO, Stepper Motors, Servo Motorhttps://arduino.org.in/projects/308-arduino-based-sun-tracking-solar-panel2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/308-arduino-based-sun-tracking-solar-panel-project-thumbnail.webpArduino based Sun Tracking Solar Panel project thumbnailArduino based Sun Tracking Solar Panel project thumbnail featuring Arduino Uno R3, Solar Panel, Stepper Motorhttps://arduino.org.in/projects/309-fire-department-alerting-system-using-internet-of-things-and-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/309-fire-department-alerting-system-using-internet-of-things-and-arduino-project-thumbnail.webpFire Department Alerting System using Internet of Things and Arduino project thumbnailFire Department Alerting System using Internet of Things and Arduino project thumbnail featuring Rectifier, Regulator, Power Supplyhttps://arduino.org.in/projects/310-internet-of-things-based-irrigation-monitoring-and-controller-system-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/310-internet-of-things-based-irrigation-monitoring-and-controller-system-using-arduino-project-thumbnail.webpInternet of Things based Irrigation Monitoring & Controller System using Arduino project thumbnailInternet of Things based Irrigation Monitoring & Controller System using Arduino project thumbnail featuring Rectifier, Regulator, LCD Displayhttps://arduino.org.in/projects/311-internet-of-things-based-smart-agriculture-monitoring-system-project2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/311-internet-of-things-based-smart-agriculture-monitoring-system-project-project-thumbnail.webpInternet of Things based Smart Agriculture Monitoring System Project project thumbnailInternet of Things based Smart Agriculture Monitoring System Project project thumbnail featuring Arduino, GSM Modem, Wi-Fi Modemhttps://arduino.org.in/projects/312-arduino-ultrasonic-sonar-radar-monitor-project2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/312-arduino-ultrasonic-sonar-radar-monitor-project-project-thumbnail.webpArduino Ultrasonic Sonar/Radar Monitor Project project thumbnailArduino Ultrasonic Sonar/Radar Monitor Project project thumbnail featuring Arduino Uno, Ultrasonic Sensor, Servo Motorhttps://arduino.org.in/projects/313-smart-dustbin-with-iot-notifications2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/313-smart-dustbin-with-iot-notifications-project-thumbnail.webpSmart Dustbin with IOT Notifications project thumbnailSmart Dustbin with IOT Notifications project thumbnail featuring Arduino Uno, Ultrasonic Sensor, Mic Sensorhttps://arduino.org.in/projects/314-iot-solar-power-monitoring-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/314-iot-solar-power-monitoring-system-project-thumbnail.webpIOT Solar Power Monitoring System project thumbnailIOT Solar Power Monitoring System project thumbnail featuring Rectifier, Regulator, Power Supplyhttps://arduino.org.in/projects/315-arduino-pid-based-dc-motor-position-control-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/315-arduino-pid-based-dc-motor-position-control-system-project-thumbnail.webpArduino PID based DC Motor Position Control System project thumbnailArduino PID based DC Motor Position Control System project thumbnail featuring Arduino, Dc motor, Protractorhttps://arduino.org.in/projects/316-open-source-covid-19-pulmonary-ventilator2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/316-open-source-covid-19-pulmonary-ventilator-project-thumbnail.webpOpen-Source COVID-19 Pulmonary Ventilator project thumbnailOpen-Source COVID-19 Pulmonary Ventilator project thumbnail featuring Arduino UNO , Arduino 4 Relay Shield, Digital Servo MG995 , LM2596S Module, k linear Multi-turn Potentiometerhttps://arduino.org.in/projects/317-arduino-based-snake-robot-controlled-using-android2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/317-arduino-based-snake-robot-controlled-using-android-project-thumbnail.webpArduino based Snake Robot Controlled using Android project thumbnailArduino based Snake Robot Controlled using Android project thumbnail featuring Arduino mega, IR Sensor, Servo Motorshttps://arduino.org.in/projects/318-advanced-automatic-self-car-parking-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/318-advanced-automatic-self-car-parking-using-arduino-project-thumbnail.webpAdvanced Automatic Self-Car Parking using Arduino project thumbnailAdvanced Automatic Self-Car Parking using Arduino project thumbnail featuring Robotic Chassis, Arduino, Ultrasonichttps://arduino.org.in/projects/319-iot-industry-protection-system-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/319-iot-industry-protection-system-arduino-project-thumbnail.webpIoT Industry Protection System Arduino project thumbnailIoT Industry Protection System Arduino project thumbnail featuring Arduino Uno, LCD Display, Wi-Fi Modulehttps://arduino.org.in/projects/320-rotating-solar-panel-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/320-rotating-solar-panel-using-arduino-project-thumbnail.webpRotating Solar Panel Using Arduino project thumbnailRotating Solar Panel Using Arduino project thumbnail featuring Arduino, Servo Motor, Solar Panelhttps://arduino.org.in/projects/321-gps-clock-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/321-gps-clock-using-arduino-project-thumbnail.webpGPS Clock using Arduino project thumbnailGPS Clock using Arduino project thumbnail featuring Arduino Unohttps://arduino.org.in/projects/322-touch-free-hand-sanitizer-dispenser-using-ldr2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/322-touch-free-hand-sanitizer-dispenser-using-ldr-project-thumbnail.webpTouch Free Hand sanitizer dispenser using LDR project thumbnailTouch Free Hand sanitizer dispenser using LDR project thumbnail featuring Arduino UNO & Genuine UNO, Fairchild semiconductor, Power MOSFET N-Channelhttps://arduino.org.in/projects/323-line-follower-robot-with-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/323-line-follower-robot-with-arduino-project-thumbnail.webpLine Follower Robot with Arduino project thumbnailLine Follower Robot with Arduino project thumbnail featuring Arduino Uno, Potentiometer, NEARhttps://arduino.org.in/projects/324-iot-based-home-automation-controlled-by-smartphone2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/324-iot-based-home-automation-controlled-by-smartphone-project-thumbnail.webpIoT Based Home Automation controlled by smartphone project thumbnailIoT Based Home Automation controlled by smartphone project thumbnail featuring Arduino Uno, Power supply, Bluetooth modulehttps://arduino.org.in/projects/325-covid-19-patient-monitoring-device-based-on-lora-using-the-things-uno2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/325-covid-19-patient-monitoring-device-based-on-lora-using-the-things-uno-project-thumbnail.webpCovid-19 Patient Monitoring Device based on LoRa using The Things UNO project thumbnailCovid-19 Patient Monitoring Device based on LoRa using The Things UNO project thumbnail featuring Things UNO, LoRa gateway, NETWORKShttps://arduino.org.in/projects/326-open-source-pulse-oximeter-for-covid-192026-08-02monthly0.8https://arduino.org.in/project-thumbnails/326-open-source-pulse-oximeter-for-covid-19-project-thumbnail.webpOpen-Source Pulse Oximeter for COVID-19 project thumbnailOpen-Source Pulse Oximeter for COVID-19 project thumbnail featuring OLED display, PNEUMONIAhttps://arduino.org.in/projects/327-touch-less-doorbells-can-operate-without-touching-the-switch2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/327-touch-less-doorbells-can-operate-without-touching-the-switch-project-thumbnail.webpTouch less doorbells can operate without touching the switch project thumbnailTouch less doorbells can operate without touching the switch project thumbnail featuring Arduino Nano, Buzzer, Operational amplifierhttps://arduino.org.in/projects/328-social-distancing-device-safety-card2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/328-social-distancing-device-safety-card-project-thumbnail.webpSocial Distancing Device (Safety Card) project thumbnailSocial Distancing Device (Safety Card) project thumbnail featuring Arduino Uno, Arduino Nano, Buzzerhttps://arduino.org.in/projects/329-automatic-faucet-touchless-for-covid-19-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/329-automatic-faucet-touchless-for-covid-19-using-arduino-project-thumbnail.webpAutomatic Faucet (Touchless) for COVID-19 Using Arduino project thumbnailAutomatic Faucet (Touchless) for COVID-19 Using Arduino project thumbnail featuring Arduino Nano R3, Solderless Breadboard Half Size, Jumper wires (generic)https://arduino.org.in/projects/330-automatic-hand-sensing-water-and-soap-tank-with-tap2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/330-automatic-hand-sensing-water-and-soap-tank-with-tap-project-thumbnail.webpAutomatic Hand Sensing Water and Soap Tank with Tap project thumbnailAutomatic Hand Sensing Water and Soap Tank with Tap project thumbnail featuring Water reservoir, Soap reservoir, Two touchless proximity sensorshttps://arduino.org.in/projects/331-diy-gps-speedometer-using-arduino-and-oled2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/331-diy-gps-speedometer-using-arduino-and-oled-project-thumbnail.webpDIY GPS Speedometer using Arduino and OLED project thumbnailDIY GPS Speedometer using Arduino and OLED project thumbnail featuring Arduino Nano, OLED display, GPS modulehttps://arduino.org.in/projects/332-automatic-bottle-filling-system-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/332-automatic-bottle-filling-system-using-arduino-project-thumbnail.webpAutomatic Bottle Filling System using Arduino project thumbnailAutomatic Bottle Filling System using Arduino project thumbnail featuring Arduino Uno, Stepper Motor (Nema17), Solenoid Valve, IR Sensorhttps://arduino.org.in/projects/333-control-a-solenoid-valve-with-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/333-control-a-solenoid-valve-with-arduino-project-thumbnail.webpControl a Solenoid Valve with Arduino project thumbnailControl a Solenoid Valve with Arduino project thumbnail featuring Arduino UNO, Solenoid Valve, IRF540 MOSFET, Resistor (10k, 100k), Diode - 1N4007https://arduino.org.in/projects/334-an-arduino-based-gesture-controlled-air-mouse-that-uses-accelerometer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/334-an-arduino-based-gesture-controlled-air-mouse-that-uses-accelerometer-project-thumbnail.webpAn Arduino-based Gesture Controlled Air Mouse that uses Accelerometer project thumbnailAn Arduino-based Gesture Controlled Air Mouse that uses Accelerometer project thumbnail featuring Arduino Nano, HC-05https://arduino.org.in/projects/335-arduino-whistle-detector-switch-using-sound-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/335-arduino-whistle-detector-switch-using-sound-sensor-project-thumbnail.webpArduino Whistle Detector Switch using Sound Sensor project thumbnailArduino Whistle Detector Switch using Sound Sensor project thumbnail featuring Arduino UNO, Sound Sensor Module, Relay Modulehttps://arduino.org.in/projects/336-obstacle-avoiding-robot-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/336-obstacle-avoiding-robot-using-arduino-project-thumbnail.webpObstacle Avoiding Robot using Arduino project thumbnailObstacle Avoiding Robot using Arduino project thumbnail featuring Arduino Uno, Servo motor, Ultrasonic sensorhttps://arduino.org.in/projects/337-speed-distance-and-angle-measurement-for-mobile-robots-using-arduino-and-lm393-sensor-h2062026-08-02monthly0.8https://arduino.org.in/project-thumbnails/337-speed-distance-and-angle-measurement-for-mobile-robots-using-arduino-and-lm393-sen-project-thumbnail.webpSpeed, Distance and Angle Measurement for Mobile Robots using Arduino and LM393 Sensor (H206) project thumbnailSpeed, Distance and Angle Measurement for Mobile Robots using Arduino and LM393 Sensor (H206) project thumbnail featuring Arduino Nano, x2 LCD module, L298N H-Bridge Motor Driverhttps://arduino.org.in/projects/338-build-a-smart-watch-by-interfacing-oled-display-with-android-phone-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/338-build-a-smart-watch-by-interfacing-oled-display-with-android-phone-using-arduino-project-thumbnail.webpBuild a Smart Watch by Interfacing OLED Display with Android Phone using Arduino project thumbnailBuild a Smart Watch by Interfacing OLED Display with Android Phone using Arduino project thumbnail featuring LCD display, OLED display, Power supplyhttps://arduino.org.in/projects/339-arduino-bluetooth-with-matlab-for-wireless-communication2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/339-arduino-bluetooth-with-matlab-for-wireless-communication-project-thumbnail.webpArduino Bluetooth with MATLAB for Wireless Communication project thumbnailArduino Bluetooth with MATLAB for Wireless Communication project thumbnail featuring MATLAB installed Laptop (Preference: R2016a or above versions), Arduino UNO, Bluetooth Module (HC-05), LED (any color)https://arduino.org.in/projects/340-smartphone-controlled-arduino-mood-light-with-alarm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/340-smartphone-controlled-arduino-mood-light-with-alarm-project-thumbnail.webpSmartphone Controlled Arduino Mood Light with Alarm project thumbnailSmartphone Controlled Arduino Mood Light with Alarm project thumbnail featuring NeoPixel LEDs, Arduino, DS3231 RTC module, HC-05 Bluetooth Modulehttps://arduino.org.in/projects/341-interfacing-nrf24l01-with-arduino-controlling-servo-motor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/341-interfacing-nrf24l01-with-arduino-controlling-servo-motor-project-thumbnail.webpInterfacing nRF24L01 with Arduino: Controlling Servo Motor project thumbnailInterfacing nRF24L01 with Arduino: Controlling Servo Motor project thumbnail featuring NETWORKShttps://arduino.org.in/projects/342-build-your-own-self-balancing-robot-with-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/342-build-your-own-self-balancing-robot-with-arduino-project-thumbnail.webpBuild your own self-balancing robot with Arduino project thumbnailBuild your own self-balancing robot with Arduino project thumbnail featuring Arduino UNO, Geared DC motors (Yellow colored) - 2Nos, L298N Motor Driver Modulehttps://arduino.org.in/projects/343-automatic-water-dispenser-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/343-automatic-water-dispenser-using-arduino-project-thumbnail.webpAutomatic Water Dispenser using Arduino project thumbnailAutomatic Water Dispenser using Arduino project thumbnail featuring Solenoid Valve, Arduino Uno (any version), HCSR04 – Ultrasonic Sensor, IRF540 MOSFET, 1k and 10k Resistorhttps://arduino.org.in/projects/344-interfacing-flame-sensor-with-arduino-to-build-a-fire-alarm-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/344-interfacing-flame-sensor-with-arduino-to-build-a-fire-alarm-system-project-thumbnail.webpInterfacing Flame Sensor with Arduino to Build a Fire Alarm System project thumbnailInterfacing Flame Sensor with Arduino to Build a Fire Alarm System project thumbnail featuring Arduino Uno (any Arduino board can be used), Flame sensor, LED, Buzzerhttps://arduino.org.in/projects/345-iot-based-electricity-energy-meter-using-esp12-and-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/345-iot-based-electricity-energy-meter-using-esp12-and-arduino-project-thumbnail.webpIoT Based Electricity Energy Meter using ESP12 and Arduino project thumbnailIoT Based Electricity Energy Meter using ESP12 and Arduino project thumbnail featuring Arduino Uno, ESP12/NodeMCU, ACS712-30Amp Current sensor, Any AC Appliance, Male-Female Wireshttps://arduino.org.in/projects/346-coronavirus-sterilizer-box-food-mask-sterilizer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/346-coronavirus-sterilizer-box-food-mask-sterilizer-project-thumbnail.webpCoronavirus Sterilizer Box | Food Mask Sterilizer project thumbnailCoronavirus Sterilizer Box | Food Mask Sterilizer project thumbnail featuring Arduino Uno, Buzzer, LCD displayhttps://arduino.org.in/projects/347-play-the-space-race-game-using-the-arduino-and-nokia-5110-graphic-display2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/347-play-the-space-race-game-using-the-arduino-and-nokia-5110-graphic-display-project-thumbnail.webpPlay the Space Race Game using the Arduino and Nokia 5110 Graphic Display project thumbnailPlay the Space Race Game using the Arduino and Nokia 5110 Graphic Display project thumbnail featuring LCD display, NEVERhttps://arduino.org.in/projects/348-interfacing-tilt-sensor-with-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/348-interfacing-tilt-sensor-with-arduino-project-thumbnail.webpInterfacing Tilt Sensor with Arduino project thumbnailInterfacing Tilt Sensor with Arduino project thumbnail featuring Mercury Switch/ Tilt Sensor, Arduino UNO, Buzzer, LEDhttps://arduino.org.in/projects/349-bluetooth-controlled-servo-motor-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/349-bluetooth-controlled-servo-motor-using-arduino-project-thumbnail.webpBluetooth Controlled Servo Motor using Arduino project thumbnailBluetooth Controlled Servo Motor using Arduino project thumbnail featuring Arduino UNO, HC-05 or HC-06 Bluetooth module, Servo Motorhttps://arduino.org.in/projects/350-controlling-multiple-servo-motors-with-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/350-controlling-multiple-servo-motors-with-arduino-project-thumbnail.webpControlling Multiple Servo Motors with Arduino project thumbnailControlling Multiple Servo Motors with Arduino project thumbnail featuring Arduino UNO, Servo Motor, Power Supplyhttps://arduino.org.in/projects/351-arduino-based-countdown-timer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/351-arduino-based-countdown-timer-project-thumbnail.webpArduino Based Countdown Timer project thumbnailArduino Based Countdown Timer project thumbnail featuring Arduino UNO, Buzzer, Potentiometerhttps://arduino.org.in/projects/352-automatic-pet-feeder-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/352-automatic-pet-feeder-using-arduino-project-thumbnail.webpAutomatic Pet Feeder using Arduino project thumbnailAutomatic Pet Feeder using Arduino project thumbnail featuring Arduino UNO, 4*4 Matrix Keypad, LCD, Push Button, Servo Motorhttps://arduino.org.in/projects/353-arduino-based-ac-home-appliances-controlling-with-thermistor-and-relay2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/353-arduino-based-ac-home-appliances-controlling-with-thermistor-and-relay-project-thumbnail.webpArduino Based AC Home Appliances controlling with thermistor and relay project thumbnailArduino Based AC Home Appliances controlling with thermistor and relay project thumbnail featuring Arduino UNO, Relay (5v), LCD displayhttps://arduino.org.in/projects/354-diy-arduino-inclinometer-using-mpu60502026-08-02monthly0.8https://arduino.org.in/project-thumbnails/354-diy-arduino-inclinometer-using-mpu6050-project-thumbnail.webpDIY Arduino Inclinometer using MPU6050 project thumbnailDIY Arduino Inclinometer using MPU6050 project thumbnail featuring Arduino Pro-mini (5V), MPU6050 Gyro Sensor, HC-05 or HC-06 Bluetooth modulehttps://arduino.org.in/projects/355-smart-blind-stick-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/355-smart-blind-stick-using-arduino-project-thumbnail.webpSmart Blind Stick using Arduino project thumbnailSmart Blind Stick using Arduino project thumbnail featuring Arduino Nano (Any version will work), Ultrasonic Sensor HC-SR04, LDR, Buzzer and LEDhttps://arduino.org.in/projects/356-home-automation-using-arduino-with-bluetooth-control2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/356-home-automation-using-arduino-with-bluetooth-control-project-thumbnail.webpHome Automation Using Arduino with Bluetooth Control project thumbnailHome Automation Using Arduino with Bluetooth Control project thumbnail featuring Arduino Unohttps://arduino.org.in/projects/357-control-your-computer-with-hand-gestures-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/357-control-your-computer-with-hand-gestures-using-arduino-project-thumbnail.webpControl your Computer with Hand Gestures using Arduino project thumbnailControl your Computer with Hand Gestures using Arduino project thumbnail featuring Arduino-compatible controller board, Hand-gesture sensor shown in the wiring diagram, USB data cablehttps://arduino.org.in/projects/358-floor-cleaning-robot-using-ultrasonic-sensor-with-an-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/358-floor-cleaning-robot-using-ultrasonic-sensor-with-an-arduino-project-thumbnail.webpFloor Cleaning Robot using Ultrasonic Sensor with an Arduino project thumbnailFloor Cleaning Robot using Ultrasonic Sensor with an Arduino project thumbnail featuring A Power Bank to Power the Arduino, Arduino Uno, Ultrasonic sensorhttps://arduino.org.in/projects/359-controlling-a-stepper-motor-using-potentiometer-with-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/359-controlling-a-stepper-motor-using-potentiometer-with-arduino-project-thumbnail.webpControlling a Stepper Motor using Potentiometer with Arduino project thumbnailControlling a Stepper Motor using Potentiometer with Arduino project thumbnail featuring DC motor, Stepper motor, Power supplyhttps://arduino.org.in/projects/360-arduino-based-3-way-traffic-light-controller2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/360-arduino-based-3-way-traffic-light-controller-project-thumbnail.webpArduino Based 3-Way Traffic Light Controller project thumbnailArduino Based 3-Way Traffic Light Controller project thumbnail featuring Red LED Lights, 3 Green LED Lights, Yellow LED Lights, 3n 220ohm Resistors, Breadboard, Male To Male Connectors, Arduino Uno with Ide Cablehttps://arduino.org.in/projects/361-simple-arduino-audio-player-and-amplifier-with-lm3862026-08-02monthly0.8https://arduino.org.in/project-thumbnails/361-simple-arduino-audio-player-and-amplifier-with-lm386-project-thumbnail.webpSimple Arduino Audio Player and Amplifier with LM386 project thumbnailSimple Arduino Audio Player and Amplifier with LM386 project thumbnail featuring Arduino Uno, Speaker, LM386https://arduino.org.in/projects/362-arduino-based-bluetooth-biped-bob-walking-and-dancing-robot2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/362-arduino-based-bluetooth-biped-bob-walking-and-dancing-robot-project-thumbnail.webpArduino based Bluetooth Biped Bob (Walking & Dancing Robot) project thumbnailArduino based Bluetooth Biped Bob (Walking & Dancing Robot) project thumbnail featuring Arduino Nano, Servo SG90 – 4Nos, Male berg stickshttps://arduino.org.in/projects/363-arduino-radar-system-processing-with-ultrasonic-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/363-arduino-radar-system-processing-with-ultrasonic-sensor-project-thumbnail.webpArduino Radar System Processing with Ultrasonic Sensor project thumbnailArduino Radar System Processing with Ultrasonic Sensor project thumbnail featuring power supply), Servo Motor (any rating), Bluetooth Module (HC-05)https://arduino.org.in/projects/364-heart-beat-monitoring-over-internet-using-arduino-and-thingspeak2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/364-heart-beat-monitoring-over-internet-using-arduino-and-thingspeak-project-thumbnail.webpHeart Beat Monitoring over Internet using Arduino and ThingSpeak project thumbnailHeart Beat Monitoring over Internet using Arduino and ThingSpeak project thumbnail featuring Pulse sensor, Wi-Fi module ESP8266, Arduino Unohttps://arduino.org.in/projects/365-iot-based-air-pollution-monitoring-system-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/365-iot-based-air-pollution-monitoring-system-using-arduino-project-thumbnail.webpIoT based Air Pollution Monitoring System using Arduino project thumbnailIoT based Air Pollution Monitoring System using Arduino project thumbnail featuring MQ135 Gas sensor, Arduino Uno, Wi-Fi module ESP8266https://arduino.org.in/projects/366-iot-based-dumpster-monitoring-using-arduino-and-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/366-iot-based-dumpster-monitoring-using-arduino-and-esp8266-project-thumbnail.webpIOT Based Dumpster Monitoring using Arduino & ESP8266 project thumbnailIOT Based Dumpster Monitoring using Arduino & ESP8266 project thumbnail featuring Arduino Uno (you can use any other), ESP8266 Wi-Fi module, HC-SR04 Ultrasonic sensorhttps://arduino.org.in/projects/367-arduino-based-vehicle-tracker-using-gps-and-gsm2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/367-arduino-based-vehicle-tracker-using-gps-and-gsm-project-thumbnail.webpArduino based Vehicle Tracker using GPS and GSM project thumbnailArduino based Vehicle Tracker using GPS and GSM project thumbnail featuring Arduino, GSM Module, GPS Modulehttps://arduino.org.in/projects/368-snake-game-on-8x8-matrix-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/368-snake-game-on-8x8-matrix-using-arduino-project-thumbnail.webpSnake Game on 8x8 Matrix using Arduino project thumbnailSnake Game on 8x8 Matrix using Arduino project thumbnail featuring Arduino UNO, x8 LED Dot Matrix Display, Shift Register 74HC595https://arduino.org.in/projects/369-prepaid-energy-meter-using-gsm-and-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/369-prepaid-energy-meter-using-gsm-and-arduino-project-thumbnail.webpPrepaid Energy Meter using GSM and Arduino project thumbnailPrepaid Energy Meter using GSM and Arduino project thumbnail featuring Arduino, GSM Module, x2 LCDhttps://arduino.org.in/projects/370-clap-switch-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/370-clap-switch-using-arduino-project-thumbnail.webpClap Switch using Arduino project thumbnailClap Switch using Arduino project thumbnail featuring Arduino Uno, Power supply, NEGATIVEhttps://arduino.org.in/projects/371-bluetooth-controlled-toy-car-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/371-bluetooth-controlled-toy-car-using-arduino-project-thumbnail.webpBluetooth Controlled Toy Car using Arduino project thumbnailBluetooth Controlled Toy Car using Arduino project thumbnail featuring Arduino UNO, DC Motors, Bluetooth module HC-05, Motor Driver L293Dhttps://arduino.org.in/projects/372-automatic-water-level-indicator-and-controller-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/372-automatic-water-level-indicator-and-controller-using-arduino-project-thumbnail.webpAutomatic Water Level Indicator and Controller using Arduino project thumbnailAutomatic Water Level Indicator and Controller using Arduino project thumbnail featuring Arduino Uno, Ultrasonic sensor Module, x2 LCDhttps://arduino.org.in/projects/373-tachometer-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/373-tachometer-using-arduino-project-thumbnail.webpTachometer using Arduino project thumbnailTachometer using Arduino project thumbnail featuring Arduino, IR sensor Module, x2 LCDhttps://arduino.org.in/projects/374-automatic-room-light-controller-with-bidirectional-visitor-counter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/374-automatic-room-light-controller-with-bidirectional-visitor-counter-project-thumbnail.webpAutomatic Room Light Controller with Bidirectional Visitor Counter project thumbnailAutomatic Room Light Controller with Bidirectional Visitor Counter project thumbnail featuring Arduino Uno, LCD display, Potentiometerhttps://arduino.org.in/projects/375-electronic-voting-machine-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/375-electronic-voting-machine-using-arduino-project-thumbnail.webpElectronic Voting 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supplyhttps://arduino.org.in/projects/378-lpg-gas-leakage-detector-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/378-lpg-gas-leakage-detector-using-arduino-project-thumbnail.webpLPG Gas Leakage Detector using Arduino project thumbnailLPG Gas Leakage Detector using Arduino project thumbnail featuring Buzzer, Potentiometer, BC-547https://arduino.org.in/projects/379-ir-controlled-dc-motor-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/379-ir-controlled-dc-motor-using-arduino-project-thumbnail.webpIR Controlled DC Motor using Arduino project thumbnailIR Controlled DC Motor using Arduino project thumbnail featuring Arduino UNO, V-relay module, DC motorhttps://arduino.org.in/projects/380-dc-motor-speed-control-using-arduino-and-potentiometer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/380-dc-motor-speed-control-using-arduino-and-potentiometer-project-thumbnail.webpDC Motor Speed Control using Arduino and Potentiometer project thumbnailDC Motor Speed Control using Arduino and Potentiometer project thumbnail featuring Arduino UNO, DC motor, Transistor 2N2222, Potentiometer 100k ohmhttps://arduino.org.in/projects/381-diy-smart-vacuum-cleaning-robot-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/381-diy-smart-vacuum-cleaning-robot-using-arduino-project-thumbnail.webpDIY Smart Vacuum Cleaning Robot using Arduino project thumbnailDIY Smart Vacuum Cleaning Robot using Arduino project thumbnail featuring Arduino Uno, Ultrasonic sensor, L293D - specified parthttps://arduino.org.in/projects/382-robot-car-controlled-by-a-mobile-phone-using-a-g-sensor-and-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/382-robot-car-controlled-by-a-mobile-phone-using-a-g-sensor-and-arduino-project-thumbnail.webpRobot Car controlled by a mobile phone using a G-Sensor and Arduino project thumbnailRobot Car controlled by a mobile phone using a G-Sensor and Arduino project thumbnail 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thumbnail featuring Arduino Uno, LCD display, Power supplyhttps://arduino.org.in/projects/385-making-calls-and-sending-messages-with-arduino-and-gsm-modules2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/385-making-calls-and-sending-messages-with-arduino-and-gsm-modules-project-thumbnail.webpMaking calls and sending messages with Arduino and GSM modules project thumbnailMaking calls and sending messages with Arduino and GSM modules project thumbnail featuring Arduino Uno, GSM Module SIM900, x2 LCD, 4x4 Keypadhttps://arduino.org.in/projects/386-fingerprint-based-biometric-attendance-system-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/386-fingerprint-based-biometric-attendance-system-using-arduino-project-thumbnail.webpFingerprint Based Biometric Attendance System using Arduino project thumbnailFingerprint Based Biometric Attendance System using Arduino project thumbnail featuring Arduino -1, Finger print module -1, Push Button - 4https://arduino.org.in/projects/387-generating-tones-by-tapping-fingers-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/387-generating-tones-by-tapping-fingers-using-arduino-project-thumbnail.webpGenerating Tones by Tapping Fingers using Arduino project thumbnailGenerating Tones by Tapping Fingers using Arduino project thumbnail featuring Arduino Pro Mini, Piezo Speaker, Flex Sensorhttps://arduino.org.in/projects/388-the-arduino-and-thingsboard-are-used-to-create-a-biometric-attendance-system-based-on-iot2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/388-the-arduino-and-thingsboard-are-used-to-create-a-biometric-attendance-system-based-project-thumbnail.webpThe Arduino and Thingsboard are used to create a biometric attendance system based on IoT project thumbnailThe Arduino and Thingsboard are used to create a biometric attendance system based on IoT project thumbnail featuring Arduino Uno, ESP8266, LCD displayhttps://arduino.org.in/projects/389-real-time-face-detection-and-tracking-robot-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/389-real-time-face-detection-and-tracking-robot-using-arduino-project-thumbnail.webpReal Time Face Detection and Tracking Robot using Arduino project thumbnailReal Time Face Detection and Tracking Robot using Arduino project thumbnail featuring Arduino Nano, Servo motor SG90 – 2Nos, Android Phone with decent camerahttps://arduino.org.in/projects/390-arduino-touch-screen-calculator-using-tft-lcd2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/390-arduino-touch-screen-calculator-using-tft-lcd-project-thumbnail.webpArduino Touch Screen Calculator using TFT LCD project thumbnailArduino Touch Screen Calculator using TFT LCD project thumbnail featuring Arduino Uno, ” TFT LCD display Shield, Arduino 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supplyhttps://arduino.org.in/projects/400-automatic-medicine-reminder-using-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/400-automatic-medicine-reminder-using-arduino-project-thumbnail.webpAutomatic Medicine Reminder Using Arduino project thumbnailAutomatic Medicine Reminder Using Arduino project thumbnail featuring Nano), RTC DS3231 module, x2 LCD Displayhttps://arduino.org.in/projects/401-esp-8266-wifi-controlled-home-automation2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/401-esp-8266-wifi-controlled-home-automation-project-thumbnail.webpESP 8266 Wifi Controlled Home Automation project thumbnailESP 8266 Wifi Controlled Home Automation project thumbnail featuring Esp 8266, Perfboard, Ams1117https://arduino.org.in/projects/402-world-wide-web-control-via-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/402-world-wide-web-control-via-esp8266-project-thumbnail.webpWorld Wide Web Control via ESP8266 project thumbnailWorld Wide 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one)https://arduino.org.in/projects/407-esp8266-wifi-temperature-logger2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/407-esp8266-wifi-temperature-logger-project-thumbnail.webpESP8266 WiFi Temperature Logger project thumbnailESP8266 WiFi Temperature Logger project thumbnail featuring x ESP8266, x Arduino Pro Mini 328 - 3.3V/8MHz, x DS18B20 Digital Temperature Sensorhttps://arduino.org.in/projects/408-send-sensor-data-dht11-and-bmp180-to-thingspeak-with-an-arduino-using-cable-or-wifi-esp8262026-08-02monthly0.8https://arduino.org.in/project-thumbnails/408-send-sensor-data-dht11-and-bmp180-to-thingspeak-with-an-arduino-using-cable-or-wif-project-thumbnail.webpSend Sensor Data (DHT11 & BMP180) to ThingSpeak with an Arduino, Using Cable or WiFi (ESP8266) or Use ESP8266 Alone project thumbnailSend Sensor Data (DHT11 & BMP180) to ThingSpeak with an Arduino, Using Cable or WiFi (ESP8266) or Use ESP8266 Alone project thumbnail featuring Arduino, WS5100 EthernetShield, Thingspeak Accounthttps://arduino.org.in/projects/409-an-inexpensive-iot-enabler-using-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/409-an-inexpensive-iot-enabler-using-esp8266-project-thumbnail.webpAn Inexpensive IoT Enabler Using ESP8266 project thumbnailAn Inexpensive IoT Enabler Using ESP8266 project thumbnail featuring ESP8266 ESP-01 module, DHT11 or DHT22 sensor, v relayhttps://arduino.org.in/projects/410-firebase-control-esp8266-nodemcu-gpios-from-anywhere2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/410-firebase-control-esp8266-nodemcu-gpios-from-anywhere-project-thumbnail.webpFirebase: Control ESP8266 NodeMCU GPIOs from Anywhere project thumbnailFirebase: Control ESP8266 NodeMCU GPIOs from Anywhere project thumbnail featuring ESP8266, ESP32https://arduino.org.in/projects/411-esp8266-nodemcu-with-load-cell-and-hx711-amplifier-digital-scale2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/411-esp8266-nodemcu-with-load-cell-and-hx711-amplifier-digital-scale-project-thumbnail.webpESP8266 NodeMCU with Load Cell and HX711 Amplifier (Digital Scale) project thumbnailESP8266 NodeMCU with Load Cell and HX711 Amplifier (Digital Scale) project thumbnail featuring ESP8266, ESP32, NodeMCUhttps://arduino.org.in/projects/412-esp8266-nodemcu-with-tds-sensor-water-quality-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/412-esp8266-nodemcu-with-tds-sensor-water-quality-sensor-project-thumbnail.webpESP8266 NodeMCU with TDS Sensor (Water Quality Sensor) project thumbnailESP8266 NodeMCU with TDS Sensor (Water Quality Sensor) project thumbnail featuring ESP8266, NodeMCU, Temperature sensorhttps://arduino.org.in/projects/413-esp8266-nodemcu-k-type-thermocouple-with-max6675-amplifier2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/413-esp8266-nodemcu-k-type-thermocouple-with-max6675-amplifier-project-thumbnail.webpESP8266 NodeMCU: K-Type Thermocouple with MAX6675 Amplifier project thumbnailESP8266 NodeMCU: K-Type Thermocouple with MAX6675 Amplifier project thumbnail featuring K-type thermocouple amplifier MAX6675, ESP8266 NodeMCU (read Best ESP8266 development boards), Switcheroos (female-to-female)https://arduino.org.in/projects/414-esp8266-nodemcu-with-bh1750-ambient-light-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/414-esp8266-nodemcu-with-bh1750-ambient-light-sensor-project-thumbnail.webpESP8266 NodeMCU with BH1750 Ambient Light Sensor project thumbnailESP8266 NodeMCU with BH1750 Ambient Light Sensor project thumbnail featuring BH1750 ambient light sensor ESP8266 (read Best ESP8266, development boards), Breadboard (optional) (optional)https://arduino.org.in/projects/415-esp8266-nodemcu-web-server-display-sensor-readings-in-gauges2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/415-esp8266-nodemcu-web-server-display-sensor-readings-in-gauges-project-thumbnail.webpESP8266 NodeMCU Web Server: Display Sensor Readings in Gauges project thumbnailESP8266 NodeMCU Web Server: Display Sensor Readings in Gauges project thumbnail featuring ESP8266 (read Best ESP8266 development boards), BME280 Sensor, PREREQUISITEShttps://arduino.org.in/projects/416-esp8266-nodemcu-door-status-monitor-with-telegram-notifications2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/416-esp8266-nodemcu-door-status-monitor-with-telegram-notifications-project-thumbnail.webpESP8266 NodeMCU Door Status Monitor with Telegram Notifications project thumbnailESP8266 NodeMCU Door Status Monitor with Telegram Notifications project thumbnail featuring ESP8266: Best ESP8266 Development Boards, × 10kΩ resistor, Jumper wires for a breadboardhttps://arduino.org.in/projects/417-esp8266-nodemcu-web-server-control-stepper-motor-websocket2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/417-esp8266-nodemcu-web-server-control-stepper-motor-websocket-project-thumbnail.webpESP8266 NodeMCU Web Server: Control Stepper Motor (WebSocket) project thumbnailESP8266 NodeMCU Web Server: Control Stepper Motor (WebSocket) project thumbnail featuring ESP8266, NodeMCU, Stepper motorhttps://arduino.org.in/projects/418-esp8266-nodemcu-with-hc-sr04-ultrasonic-sensor-with-arduino-ide2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/418-esp8266-nodemcu-with-hc-sr04-ultrasonic-sensor-with-arduino-ide-project-thumbnail.webpESP8266 NodeMCU with HC-SR04 Ultrasonic Sensor with Arduino IDE project thumbnailESP8266 NodeMCU with HC-SR04 Ultrasonic Sensor with Arduino IDE project thumbnail featuring ESP8266, NodeMCU, Ultrasonic sensorhttps://arduino.org.in/projects/419-esp8266-nodemcu-with-bmp388-barometric-altimeter-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/419-esp8266-nodemcu-with-bmp388-barometric-altimeter-sensor-project-thumbnail.webpESP8266 NodeMCU with BMP388 Barometric/Altimeter Sensor project thumbnailESP8266 NodeMCU with BMP388 Barometric/Altimeter Sensor project thumbnail featuring BMP388 sensor module, ESP8266 (read Best ESP8266 development boards), Schematic for ESP8266 NodeMCU with BMP388https://arduino.org.in/projects/420-multiple-sliders-for-esp8266-nodemcu-web-server-websocket-control-the-brightness-of-leds-p2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/420-multiple-sliders-for-esp8266-nodemcu-web-server-websocket-control-the-brightness-o-project-thumbnail.webpMultiple Sliders for ESP8266 NodeMCU Web Server (WebSocket): Control the brightness of LEDs (PWM) project thumbnailMultiple Sliders for ESP8266 NodeMCU Web Server (WebSocket): Control the brightness of LEDs (PWM) project thumbnail featuring ESP8266, NodeMCU, NETWORKhttps://arduino.org.in/projects/421-esp8266-nodemcu-plot-sensor-readings-in-charts-multiple-series2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/421-esp8266-nodemcu-plot-sensor-readings-in-charts-multiple-series-project-thumbnail.webpESP8266 NodeMCU Plot Sensor Readings in Charts (Multiple Series) project thumbnailESP8266 NodeMCU Plot Sensor Readings in Charts (Multiple Series) project thumbnail featuring ESP8266 (read Best ESP8266 development boards), x DS18B20 temperature sensor (one or multiple sensors), in a, water-resistant versionhttps://arduino.org.in/projects/422-esp8266-nodemcu-integrated-with-mpu-6050-accelerometer-gyroscope-and-temperature-sensor-ar2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/422-esp8266-nodemcu-integrated-with-mpu-6050-accelerometer-gyroscope-and-temperature-s-project-thumbnail.webpESP8266 NodeMCU Integrated with MPU-6050 Accelerometer, Gyroscope, and Temperature Sensor (Arduino) project thumbnailESP8266 NodeMCU Integrated with MPU-6050 Accelerometer, Gyroscope, and Temperature Sensor (Arduino) project thumbnail featuring MPU-6050 Accelerometer Gyroscope, ESP8266 (read Best ESP8266 development boards), ESP8266 NodeMCU Schematic Diagram, Including MPU-6050 andhttps://arduino.org.in/projects/423-the-esp8266-nodemcu-can-be-used-to-get-epoch-unix-time-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/423-the-esp8266-nodemcu-can-be-used-to-get-epoch-unix-time-arduino-project-thumbnail.webpThe ESP8266 NodeMCU can be used to get Epoch/Unix Time (Arduino) project thumbnailThe ESP8266 NodeMCU can be used to get Epoch/Unix Time (Arduino) project thumbnail featuring ESP8266, NodeMCU, NETWORKhttps://arduino.org.in/projects/424-esp8266-nodemcu-mqtt-publish-temperature-humidity-pressure-and-gas-readings-from-a-bme680-2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/424-esp8266-nodemcu-mqtt-publish-temperature-humidity-pressure-and-gas-readings-from-a-project-thumbnail.webpESP8266 NodeMCU MQTT - Publish Temperature, Humidity, Pressure, and Gas Readings from a BME680 Sensor (Arduino IDE) project thumbnailESP8266 NodeMCU MQTT - Publish Temperature, Humidity, Pressure, and Gas Readings from a BME680 Sensor (Arduino IDE) project thumbnail featuring development boards), Raspberry Pi board equipped with BME680 and ESP8266 Guide, (read Best Raspberry Pi Starter Kits)https://arduino.org.in/projects/425-web-server-for-esp32-esp8266-relay-modules-built-with-the-arduino-ide-1-2-4-8-16-channels2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/425-web-server-for-esp32-esp8266-relay-modules-built-with-the-arduino-ide-1-2-4-8-16-c-project-thumbnail.webpWeb Server for ESP32/ESP8266 Relay Modules Built with the Arduino IDE (1, 2, 4, 8, 16 Channels) project thumbnailWeb Server for ESP32/ESP8266 Relay Modules Built with the Arduino IDE (1, 2, 4, 8, 16 Channels) project thumbnail featuring ESP8266, ESP32, NodeMCUhttps://arduino.org.in/projects/426-dht-temperature-and-humidity-readings-displayed-on-the-on-board-esp8266-s-oled-display2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/426-dht-temperature-and-humidity-readings-displayed-on-the-on-board-esp8266-s-oled-dis-project-thumbnail.webpDHT Temperature and Humidity Readings Displayed on the on- board ESP8266's OLED Display project thumbnailDHT Temperature and Humidity Readings Displayed on the on- board ESP8266's OLED Display project thumbnail featuring inches of OLED screen real estate, ESP32 or ESP8266; both are available (read ESP32 vs ESP8266), Temperature and humidity sensors of the DHT22 or DHT11 kindhttps://arduino.org.in/projects/427-temperature-and-humidity-web-server-for-esp8266-dht11-dht22-with-arduino-ide2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/427-temperature-and-humidity-web-server-for-esp8266-dht11-dht22-with-arduino-ide-project-thumbnail.webpTemperature and Humidity Web Server for ESP8266 DHT11/DHT22 with Arduino IDE project thumbnailTemperature and Humidity Web Server for ESP8266 DHT11/DHT22 with Arduino IDE project thumbnail featuring ESP8266 development board (read ESP8266 development boards, comparison), Breadboard with either a DHT22 or DHT11 Temperature andhttps://arduino.org.in/projects/428-esp8266-adc-read-analog-values-with-arduino-ide-micropython-and-lua2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/428-esp8266-adc-read-analog-values-with-arduino-ide-micropython-and-lua-project-thumbnail.webpESP8266 ADC – Read Analog Values with Arduino IDE, MicroPython and Lua project thumbnailESP8266 ADC – Read Analog Values with Arduino IDE, MicroPython and Lua project thumbnail featuring ESP8266-12E NodeMCU Kit is suggested (read ESP8266, development boards comparison), x ESP8266-07 chip or 1x ESP8266-12E chip plus an FTDIhttps://arduino.org.in/projects/429-hack-a-pir-motion-sensor-with-an-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/429-hack-a-pir-motion-sensor-with-an-esp8266-project-thumbnail.webpHack a PIR Motion Sensor with an ESP8266 project thumbnailHack a PIR Motion Sensor with an ESP8266 project thumbnail featuring Putting the wires together, Putting the ESP8266 code on paper and uploading it, ESP8266https://arduino.org.in/projects/430-power-esp8266-with-mains-voltage-using-hi-link-hlk-pm03-converter2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/430-power-esp8266-with-mains-voltage-using-hi-link-hlk-pm03-converter-project-thumbnail.webpPower ESP8266 with Mains Voltage using Hi-Link HLK-PM03 Converter project thumbnailPower ESP8266 with Mains Voltage using Hi-Link HLK-PM03 Converter project thumbnail featuring ESP8266, ESP32, Relay modulehttps://arduino.org.in/projects/431-esp8266-multisensor-shield-with-node-red2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/431-esp8266-multisensor-shield-with-node-red-project-thumbnail.webpESP8266 Multisensor Shield with Node-RED project thumbnailESP8266 Multisensor Shield with Node-RED project thumbnail featuring ESP8266 Wemos D1 Mini - see Highest-Rated ESP8266 Wi-Fi, Development Board, x 5mm LED, 1x 330 Ohm resistorhttps://arduino.org.in/projects/432-control-sonoff-basic-switch-with-esp-easy-firmware-and-node-red2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/432-control-sonoff-basic-switch-with-esp-easy-firmware-and-node-red-project-thumbnail.webpControl Sonoff Basic Switch with ESP Easy Firmware and Node- RED project thumbnailControl Sonoff Basic Switch with ESP Easy Firmware and Node- RED project thumbnail featuring Smart Switch by Sonoff with Wi-Fi, FTDI Programmer, Raspberry Pi Power Supply (Raspberry Pi) (5V 2.5A)https://arduino.org.in/projects/433-esp8266-daily-task-publish-temperature-readings-to-thingspeak2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/433-esp8266-daily-task-publish-temperature-readings-to-thingspeak-project-thumbnail.webpESP8266 Daily Task - Publish Temperature Readings to ThingSpeak project thumbnailESP8266 Daily Task - Publish Temperature Readings to ThingSpeak project thumbnail featuring ESP8266: for more information, see the article titled Best ESP8266, Wi-Fi Development Boards, humidity sensorhttps://arduino.org.in/projects/434-touchscreen-user-interface-for-node-red-provided-by-the-nextion-display-with-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/434-touchscreen-user-interface-for-node-red-provided-by-the-nextion-display-with-esp82-project-thumbnail.webpTouchscreen user interface for Node-RED provided by the Nextion Display with ESP8266 project thumbnailTouchscreen user interface for Node-RED provided by the Nextion Display with ESP8266 project thumbnail featuring Development Board 3.2" Nextion display basic model – read more, about it here. Purchasing advice for the Nextion display, controlhttps://arduino.org.in/projects/435-esp8266-voltage-regulator-lipo-and-li-ion-batteries2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/435-esp8266-voltage-regulator-lipo-and-li-ion-batteries-project-thumbnail.webpESP8266 Voltage Regulator (LiPo and Li-ion Batteries) project thumbnailESP8266 Voltage Regulator (LiPo and Li-ion Batteries) project thumbnail featuring Lithium-ion or lithium-polymer batteries, along with a battery holder, Low-dropout regulator, also known as an LDO (MCP1700-3302E), uF electrolytic capacitor 100nF ceramic capacitorhttps://arduino.org.in/projects/436-esp8266-weather-forecaster2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/436-esp8266-weather-forecaster-project-thumbnail.webpESP8266 Weather Forecaster project thumbnailESP8266 Weather Forecaster project thumbnail featuring ESP8266https://arduino.org.in/projects/437-esp8266-publishing-dht22-readings-with-mqtt-to-raspberry-pi2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/437-esp8266-publishing-dht22-readings-with-mqtt-to-raspberry-pi-project-thumbnail.webpESP8266 Publishing DHT22 Readings with MQTT to Raspberry Pi project thumbnailESP8266 Publishing DHT22 Readings with MQTT to Raspberry Pi project thumbnail featuring x ESP8266 12E – read Best ESP8266 Wi-Fi Development Boards, x DHT22 Sensor, x 4700 Ohm Resistorhttps://arduino.org.in/projects/438-esp8266-based-do-it-yourself-wi-fi-rgb-led-mood-light-for-10-step-by-step2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/438-esp8266-based-do-it-yourself-wi-fi-rgb-led-mood-light-for-10-step-by-step-project-thumbnail.webpESP8266-Based Do-It-Yourself Wi-Fi RGB LED Mood Light for $10 (Step by Step) project thumbnailESP8266-Based Do-It-Yourself Wi-Fi RGB LED Mood Light for $10 (Step by Step) project thumbnail featuring x RGB LED Strip, x Power Supply Device with 12V Output Capable of Reducing, Voltage to 5V Alternative: LM7805 with Heat Sinkhttps://arduino.org.in/projects/439-the-esp8266-is-controlled-by-an-android-app-mit-app-inventor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/439-the-esp8266-is-controlled-by-an-android-app-mit-app-inventor-project-thumbnail.webpThe ESP8266 is controlled by an Android app (MIT App Inventor) project thumbnailThe ESP8266 is controlled by an Android app (MIT App Inventor) project thumbnail featuring x ESP8266 (for more information, see the Best ESP8266 Wi-Fi, x FTDI programmer, x LEDshttps://arduino.org.in/projects/440-esp8266-wireless-weather-station-with-data-logging-to-excel2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/440-esp8266-wireless-weather-station-with-data-logging-to-excel-project-thumbnail.webpESP8266 - Wireless Weather Station with Data Logging to Excel project thumbnailESP8266 - Wireless Weather Station with Data Logging to Excel project thumbnail featuring Recommended: 2x ESP-12E Read More About the Best ESP8266, Alternative: 2x ESP-201 + 1x FTDI Programmer, x DS18B20https://arduino.org.in/projects/441-how-to-make-two-esp8266-talk2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/441-how-to-make-two-esp8266-talk-project-thumbnail.webpHow to Make Two ESP8266 Talk project thumbnailHow to Make Two ESP8266 Talk project thumbnail featuring ESP8266, NodeMCU, NEWLYhttps://arduino.org.in/projects/442-esp8266-in-conjunction-with-node-red-and-mqtt2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/442-esp8266-in-conjunction-with-node-red-and-mqtt-project-thumbnail.webpESP8266 in conjunction with Node-RED and MQTT project thumbnailESP8266 in conjunction with Node-RED and MQTT project thumbnail featuring To construct the circuit, you will need the following components, Raspberry Pi, ESP8266 (ESP-12E Nodemcu)https://arduino.org.in/projects/443-blynk-controlled-automatic-pet-feeder-with-timer2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/443-blynk-controlled-automatic-pet-feeder-with-timer-project-thumbnail.webpBlynk Controlled Automatic Pet Feeder with Timer project thumbnailBlynk Controlled Automatic Pet Feeder with Timer project thumbnail featuring NodeMCU ESP8266, Servo Motor, Automatic Pet Feeder Circuit Diagramhttps://arduino.org.in/projects/444-raspberry-pi-pico-web-server-with-esp8266-and-micropython2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/444-raspberry-pi-pico-web-server-with-esp8266-and-micropython-project-thumbnail.webpRaspberry Pi Pico Web Server with ESP8266 & MicroPython project thumbnailRaspberry Pi Pico Web Server with ESP8266 & MicroPython project thumbnail featuring ESP8266, Raspberry Pi, Wi-Fi modulehttps://arduino.org.in/projects/445-iot-based-smart-agriculture-monitoring-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/445-iot-based-smart-agriculture-monitoring-system-project-thumbnail.webpIoT based Smart Agriculture Monitoring System project thumbnailIoT based Smart Agriculture Monitoring System project thumbnail featuring Hardware, NodeMCU ESP8266, Soil Moisture Sensorhttps://arduino.org.in/projects/446-interfacing-5mp-spi-camera-with-nodemcu-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/446-interfacing-5mp-spi-camera-with-nodemcu-esp8266-project-thumbnail.webpInterfacing 5MP SPI Camera with NodeMCU ESP8266 project thumbnailInterfacing 5MP SPI Camera with NodeMCU ESP8266 project thumbnail featuring ESP8266, ESP32, NodeMCUhttps://arduino.org.in/projects/447-real-time-gps-tracker-using-esp8266-and-blynk-with-maps2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/447-real-time-gps-tracker-using-esp8266-and-blynk-with-maps-project-thumbnail.webpReal Time GPS Tracker using ESP8266 & Blynk with Maps project thumbnailReal Time GPS Tracker using ESP8266 & Blynk with Maps project thumbnail featuring NodeMCU ESP8266, Quectel L86, Jumper wirehttps://arduino.org.in/projects/448-wifi-controlled-robot-using-esp8266-and-android-app2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/448-wifi-controlled-robot-using-esp8266-and-android-app-project-thumbnail.webpWiFi Controlled Robot using ESP8266 & Android App project thumbnailWiFi Controlled Robot using ESP8266 & Android App project thumbnail featuring ESP8266, NodeMCU, NETWORKhttps://arduino.org.in/projects/449-iot-based-smart-kitchen-automation-and-monitoring-with-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/449-iot-based-smart-kitchen-automation-and-monitoring-with-esp8266-project-thumbnail.webpIoT Based Smart Kitchen Automation & Monitoring with ESP8266 project thumbnailIoT Based Smart Kitchen Automation & Monitoring with ESP8266 project thumbnail featuring ESP8266, NodeMCU, DHT11 Sensor, MQ-135 Sensorhttps://arduino.org.in/projects/450-iot-indoor-air-quality-monitoring-with-bme680-bsec-and-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/450-iot-indoor-air-quality-monitoring-with-bme680-bsec-and-esp8266-project-thumbnail.webpIoT Indoor Air Quality Monitoring with BME680 BSEC & ESP8266 project thumbnailIoT Indoor Air Quality Monitoring with BME680 BSEC & ESP8266 project thumbnail featuring ESP8266, ESP32, NodeMCUhttps://arduino.org.in/projects/451-iot-mqtt-based-heart-rate-monitor-using-esp8266-and-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/451-iot-mqtt-based-heart-rate-monitor-using-esp8266-and-arduino-project-thumbnail.webpIoT MQTT Based Heart Rate Monitor using ESP8266 & Arduino project thumbnailIoT MQTT Based Heart Rate Monitor using ESP8266 & Arduino project thumbnail featuring Arduino Board or Arduino Nano, NodeMCU Board ESP8266, Easy Pulse Sensor, HRM-2511-E Pulse Sensorhttps://arduino.org.in/projects/452-iot-bidirectional-visitor-counter-using-espp8266-and-mqtt2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/452-iot-bidirectional-visitor-counter-using-espp8266-and-mqtt-project-thumbnail.webpIoT Bidirectional Visitor Counter using ESPP8266 & MQTT project thumbnailIoT Bidirectional Visitor Counter using ESPP8266 & MQTT project thumbnail featuring ESP8266, NodeMCU, Relay modulehttps://arduino.org.in/projects/453-iot-ir-thermometer-using-mlx90614-and-esp8266-on-blynk2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/453-iot-ir-thermometer-using-mlx90614-and-esp8266-on-blynk-project-thumbnail.webpIoT IR Thermometer using MLX90614 & ESP8266 on Blynk project thumbnailIoT IR Thermometer using MLX90614 & ESP8266 on Blynk project thumbnail featuring NodeMCU (ESP8266 12E Board), IR Temperature Sensor (GY-906 MLX90614 IR Temperature, Sensor)https://arduino.org.in/projects/454-iot-temperature-monitor-for-industry-with-max6675-and-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/454-iot-temperature-monitor-for-industry-with-max6675-and-esp8266-project-thumbnail.webpIoT Temperature Monitor for Industry with MAX6675 and ESP8266 project thumbnailIoT Temperature Monitor for Industry with MAX6675 and ESP8266 project thumbnail featuring Nodemcu ESP8266-12E Board, OLED Display (0.96" I2C OLED Display), MAX6675 (Thermocouple Temperature Sensor)https://arduino.org.in/projects/455-iot-esp8266-lux-meter-using-bh1750-light-sensor-and-blynk2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/455-iot-esp8266-lux-meter-using-bh1750-light-sensor-and-blynk-project-thumbnail.webpIoT ESP8266 Lux Meter using BH1750 Light Sensor & Blynk project thumbnailIoT ESP8266 Lux Meter using BH1750 Light Sensor & Blynk project thumbnail featuring NodeMCU Board (NodeMCU ESP8266 12E Wifi Module), Light Sensor (BH1750 Ambient Light Sensor), ESP8266-BASED - controller board / IChttps://arduino.org.in/projects/456-iot-based-tds-meter-using-esp8266-for-water-quality-monitoring2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/456-iot-based-tds-meter-using-esp8266-for-water-quality-monitoring-project-thumbnail.webpIoT Based TDS Meter using ESP8266 for Water Quality Monitoring project thumbnailIoT Based TDS Meter using ESP8266 for Water Quality Monitoring project thumbnail featuring Nodemcu Board (NodeMCU ESP8266 Wifi Module), TDS Sensor, DS18B20 Sensor (DS18B20 One-Wire Waterproof Temperaturehttps://arduino.org.in/projects/457-iot-smart-agriculture-and-automatic-irrigation-system-with-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/457-iot-smart-agriculture-and-automatic-irrigation-system-with-esp8266-project-thumbnail.webpIoT Smart Agriculture & Automatic Irrigation System with ESP8266 project thumbnailIoT Smart Agriculture & Automatic Irrigation System with ESP8266 project thumbnail featuring NodeMCU ESP8266, Soil Moisture Sensor, OLED Displayhttps://arduino.org.in/projects/458-home-automation-using-google-firebase-and-nodemcu-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/458-home-automation-using-google-firebase-and-nodemcu-esp8266-project-thumbnail.webpHome Automation using Google Firebase & NodeMCU ESP8266 project thumbnailHome Automation using Google Firebase & NodeMCU ESP8266 project thumbnail featuring NodeMCU ESP8266, Relay - 5V Relay, Voltage Regulator IC - LM7805 5Vhttps://arduino.org.in/projects/459-iot-water-flow-meter-using-esp8266-and-water-flow-sensor2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/459-iot-water-flow-meter-using-esp8266-and-water-flow-sensor-project-thumbnail.webpIoT Water Flow Meter using ESP8266 & Water Flow Sensor project thumbnailIoT Water Flow Meter using ESP8266 & Water Flow Sensor project thumbnail featuring NodeMCU ESP8266, Water Flow Sensor (YF-S201 Hall-Effect Water Flow Sensor), OLED Displayhttps://arduino.org.in/projects/460-iot-decibel-meter-with-sound-sensor-and-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/460-iot-decibel-meter-with-sound-sensor-and-esp8266-project-thumbnail.webpIoT Decibel meter with Sound Sensor & ESP8266 project thumbnailIoT Decibel meter with Sound Sensor & ESP8266 project thumbnail featuring ESP8266, NodeMCU, LCD displayhttps://arduino.org.in/projects/461-bmp180-pressure-temperature-monitor-on-thingspeak-with-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/461-bmp180-pressure-temperature-monitor-on-thingspeak-with-esp8266-project-thumbnail.webpBMP180 Pressure Temperature Monitor on Thingspeak with ESP8266 project thumbnailBMP180 Pressure Temperature Monitor on Thingspeak with ESP8266 project thumbnail featuring NodeMCU ESP8266, BMP180 Sensor, OLED Displayhttps://arduino.org.in/projects/462-iot-ecg-monitoring-with-ad8232-ecg-sensor-and-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/462-iot-ecg-monitoring-with-ad8232-ecg-sensor-and-esp8266-project-thumbnail.webpIoT ECG Monitoring with AD8232 ECG Sensor & ESP8266 project thumbnailIoT ECG Monitoring with AD8232 ECG Sensor & ESP8266 project thumbnail featuring NodeMCU (ESP8266-12E Board), ECG Sensor (AD8232 ECG Sensor Kit), Data Cable (5V Micro USB Data Cable)https://arduino.org.in/projects/463-esp8266-and-android-home-automation-with-wifi-and-voice-control2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/463-esp8266-and-android-home-automation-with-wifi-and-voice-control-project-thumbnail.webpESP8266 and Android Home Automation with WiFi and Voice Control project thumbnailESP8266 and Android Home Automation with WiFi and Voice Control project thumbnail featuring NodeMCU ESP8266, Relay Module, LED 5mm LED of Any Colorhttps://arduino.org.in/projects/464-esp8266-and-ds3231-based-real-time-clock-rtc2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/464-esp8266-and-ds3231-based-real-time-clock-rtc-project-thumbnail.webpESP8266 and DS3231 Based Real Time Clock (RTC) project thumbnailESP8266 and DS3231 Based Real Time Clock (RTC) project thumbnail featuring NodeMCU ESP8266, LCD Display - 16X2 I2C LCD Display, RTC Module - DS3231 Real Time Clockhttps://arduino.org.in/projects/465-max30100-pulse-oximeter-with-esp8266-on-blynk-iot-app2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/465-max30100-pulse-oximeter-with-esp8266-on-blynk-iot-app-project-thumbnail.webpMAX30100 Pulse Oximeter with ESP8266 on Blynk IoT App project thumbnailMAX30100 Pulse Oximeter with ESP8266 on Blynk IoT App project thumbnail featuring NodeMCU ESP8266, Pulse Oximeter Sensor MAX30100 Module, OLED Displayhttps://arduino.org.in/projects/466-iot-based-air-pollution-quality-monitoring-with-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/466-iot-based-air-pollution-quality-monitoring-with-esp8266-project-thumbnail.webpIoT Based Air Pollution/Quality Monitoring with ESP8266 project thumbnailIoT Based Air Pollution/Quality Monitoring with ESP8266 project thumbnail featuring BME280 Barometric Pressure Sensor Bosch's BME280 Humidity, easily measured with the assistance of this BME280 Atmospheric Sensor, Bosch and includes a temperature and barometric pressure sensor. Thishttps://arduino.org.in/projects/467-iot-biometric-fingerprint-attendance-system-using-nodemcu2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/467-iot-biometric-fingerprint-attendance-system-using-nodemcu-project-thumbnail.webpIoT Biometric Fingerprint Attendance System using NodeMCU project thumbnailIoT Biometric Fingerprint Attendance System using NodeMCU project thumbnail featuring NodeMCU - ESP8266, Fingerprint Sensor - R305/R307 Module, OLED Displayhttps://arduino.org.in/projects/468-iot-based-rfid-attendance-system-using-arduino-esp8266-and-adafruit-io2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/468-iot-based-rfid-attendance-system-using-arduino-esp8266-and-adafruit-io-project-thumbnail.webpIoT Based RFID Attendance System Using Arduino ESP8266 & Adafruit.io project thumbnailIoT Based RFID Attendance System Using Arduino ESP8266 & Adafruit.io project thumbnail featuring NodeMCU - ESP8266, Arduino Board - Arduino UNO/Nano or any other Board, RFID Module - MFRC522 RFID SPI Modulehttps://arduino.org.in/projects/469-voice-based-home-automation-with-nodemcu-and-alexa-using-fauxmoesp2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/469-voice-based-home-automation-with-nodemcu-and-alexa-using-fauxmoesp-project-thumbnail.webpVoice Based Home Automation with NodeMCU & Alexa using fauxmoESP project thumbnailVoice Based Home Automation with NodeMCU & Alexa using fauxmoESP project thumbnail featuring NodeMCU ESP8266-12E, Echo Dot (2nd Generation), X Mini Breadboardhttps://arduino.org.in/projects/470-iot-based-patient-health-monitoring-using-esp8266-and-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/470-iot-based-patient-health-monitoring-using-esp8266-and-arduino-project-thumbnail.webpIoT Based Patient Health Monitoring using ESP8266 & Arduino project thumbnailIoT Based Patient Health Monitoring using ESP8266 & Arduino project thumbnail featuring Arduino Nano Board, ESP8266-01 WiFi Module, x2 LCD Displayhttps://arduino.org.in/projects/471-gas-level-monitoring-using-esp8266-and-gas-sensor-over-the-internet2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/471-gas-level-monitoring-using-esp8266-and-gas-sensor-over-the-internet-project-thumbnail.webpGas Level Monitoring Using ESP8266 & Gas Sensor Over the Internet project thumbnailGas Level Monitoring Using ESP8266 & Gas Sensor Over the Internet project thumbnail featuring NodeMCU - ESP8266, Air Quality Sensor - MQ135 Air Quality Sensor, MQ135 Gas/Smoke Sensorhttps://arduino.org.in/projects/472-iot-live-weather-station-monitoring-using-nodemcu-esp82662026-08-02monthly0.8https://arduino.org.in/project-thumbnails/472-iot-live-weather-station-monitoring-using-nodemcu-esp8266-project-thumbnail.webpIoT Live Weather Station Monitoring Using NodeMCU ESP8266 project thumbnailIoT Live Weather Station Monitoring Using NodeMCU ESP8266 project thumbnail featuring NodeMCU- ESP8266, BMP180 Sensor- BMP180 Barometric Pressure Sensor from Bosch, DHT11 Sensor- DHT11 Humidity Temperature Sensorhttps://arduino.org.in/projects/473-iot-based-analog-digital-oled-clock-using-nodemcu2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/473-iot-based-analog-digital-oled-clock-using-nodemcu-project-thumbnail.webpIoT Based Analog/Digital OLED Clock using NodeMCU project thumbnailIoT Based Analog/Digital OLED Clock using NodeMCU project thumbnail featuring NodeMCU - ESP8266-12E Board, OLED Display - 0.96" I2C OLED Displayhttps://arduino.org.in/projects/474-guide-for-tca9548a-i2c-multiplexer-esp32-esp8266-arduino2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/474-guide-for-tca9548a-i2c-multiplexer-esp32-esp8266-arduino-project-thumbnail.webpGuide for TCA9548A I2C Multiplexer: ESP32, ESP8266, Arduino project thumbnailGuide for TCA9548A I2C Multiplexer: ESP32, ESP8266, Arduino project thumbnail featuring ESP8266, ESP32, Power supplyhttps://arduino.org.in/projects/475-esp32-guide-for-microsd-card-module-using-arduino-ide2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/475-esp32-guide-for-microsd-card-module-using-arduino-ide-project-thumbnail.webpESP32: Guide for MicroSD Card Module using Arduino IDE project thumbnailESP32: Guide for MicroSD Card Module using Arduino IDE project thumbnail featuring ESP32 development board (read: Best ESP32 development boards), MicroSD Card Module, MicroSD Cardhttps://arduino.org.in/projects/476-esp32-iot-shield-pcb-with-dashboard-for-outputs-and-sensors2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/476-esp32-iot-shield-pcb-with-dashboard-for-outputs-and-sensors-project-thumbnail.webpESP32 IoT Shield PCB with Dashboard for Outputs and Sensors project thumbnailESP32 IoT Shield PCB with Dashboard for Outputs and Sensors project thumbnail featuring DOIT ESP32 DEVKIT V1 Board, x 5mm LED, resistors with 330 Ohm eachhttps://arduino.org.in/projects/477-esp32-lora-sensor-monitoring-with-web-server-long-range-communication2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/477-esp32-lora-sensor-monitoring-with-web-server-long-range-communication-project-thumbnail.webpESP32 LoRa Sensor Monitoring with Web Server (Long Range Communication) project thumbnailESP32 LoRa Sensor Monitoring with Web Server (Long Range Communication) project thumbnail featuring BME280 sensor for measuring temperature, humidity, and pressure It ought, Preparing the Arduino IDE, Installing librarieshttps://arduino.org.in/projects/478-visualize-your-sensor-readings-from-anywhere-in-the-world-esp32-esp8266-mysql-php2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/478-visualize-your-sensor-readings-from-anywhere-in-the-world-esp32-esp8266-mysql-php-project-thumbnail.webpVisualize Your Sensor Readings from Anywhere in the World (ESP32/ESP8266 + MySQL + PHP) project thumbnailVisualize Your Sensor Readings 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Controlled Relay project thumbnailAlexa (Echo) with ESP32 and ESP8266 - Voice Controlled Relay project thumbnail featuring ESP8266, ESP32, Relay modulehttps://arduino.org.in/projects/481-how-the-hc-sr04-ultrasonic-range-sensor-can-communicate-with-the-esp322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/481-how-the-hc-sr04-ultrasonic-range-sensor-can-communicate-with-the-esp32-project-thumbnail.webpHow the HC-SR04 Ultrasonic Range Sensor Can Communicate with the ESP32 project thumbnailHow the HC-SR04 Ultrasonic Range Sensor Can Communicate with the ESP32 project thumbnail featuring ESP8266, ESP32, Ultrasonic sensorhttps://arduino.org.in/projects/482-how-does-a-servo-motor-work-and-how-to-interface-it-with-esp322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/482-how-does-a-servo-motor-work-and-how-to-interface-it-with-esp32-project-thumbnail.webpHow does a Servo Motor Work and How to Interface it with ESP32? project thumbnailHow does a Servo Motor Work and How to Interface it with ESP32? project thumbnail featuring ESP32, Servo motor, DC motorhttps://arduino.org.in/projects/483-designing-a-smartwatch-using-esp32-magnetometer-and-gyroscope2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/483-designing-a-smartwatch-using-esp32-magnetometer-and-gyroscope-project-thumbnail.webpDesigning a Smartwatch using ESP32 - Magnetometer and Gyroscope project thumbnailDesigning a Smartwatch using ESP32 - Magnetometer and Gyroscope project thumbnail featuring ESP32, Heart rate sensor, MAX30102https://arduino.org.in/projects/484-how-does-a-neo-6m-gps-module-work-and-how-to-interface-it-with-esp322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/484-how-does-a-neo-6m-gps-module-work-and-how-to-interface-it-with-esp32-project-thumbnail.webpHow Does a NEO-6M GPS Module Work and How to Interface it with ESP32 project thumbnailHow Does a NEO-6M GPS Module Work and How to Interface it with ESP32 project thumbnail featuring A Brief Introduction to the NEO-6M GPS Module, ESP32, GSM modulehttps://arduino.org.in/projects/485-diy-esp32-oscilloscope2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/485-diy-esp32-oscilloscope-project-thumbnail.webpDIY ESP32 Oscilloscope project thumbnailDIY ESP32 Oscilloscope project thumbnail featuring ESP32, MAXIMUM, ESP32-BASED - controller board / IChttps://arduino.org.in/projects/486-smart-wi-fi-video-doorbell-using-esp32-and-camera2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/486-smart-wi-fi-video-doorbell-using-esp32-and-camera-project-thumbnail.webpSmart Wi-Fi Video Doorbell using ESP32 and Camera project thumbnailSmart Wi-Fi Video Doorbell using ESP32 and Camera project thumbnail featuring ESP32-CAM, FTDI Programming Board, V AC to 5V DC Converterhttps://arduino.org.in/projects/487-monitoring-the-power-output-of-solar-panels-over-the-internet-of-things-using-esp32-and-th2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/487-monitoring-the-power-output-of-solar-panels-over-the-internet-of-things-using-esp3-project-thumbnail.webpMonitoring the power output of solar panels over the Internet of Things using ESP32 and ThingSpeak project thumbnailMonitoring the power output of solar panels over the Internet of Things using ESP32 and ThingSpeak project thumbnail featuring ESP32, Potentiometer, Temperature sensorhttps://arduino.org.in/projects/488-audio-player-built-with-esp32-for-diy-projects2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/488-audio-player-built-with-esp32-for-diy-projects-project-thumbnail.webpAudio Player Built with ESP32 for DIY Projects project thumbnailAudio Player Built with ESP32 for DIY Projects project thumbnail featuring ESP32, LM386 Amplifier Module, ohm Speakerhttps://arduino.org.in/projects/489-esp32-cam-face-recognition-door-lock-system2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/489-esp32-cam-face-recognition-door-lock-system-project-thumbnail.webpESP32-CAM Face Recognition Door Lock System project thumbnailESP32-CAM Face Recognition Door Lock System project thumbnail featuring ESP32, Relay module, Power supplyhttps://arduino.org.in/projects/490-automatic-hand-sanitizer-dispenser-with-covid192026-08-02monthly0.8https://arduino.org.in/project-thumbnails/490-automatic-hand-sanitizer-dispenser-with-covid19-project-thumbnail.webpAutomatic Hand Sanitizer Dispenser with COVID19 project thumbnailAutomatic Hand Sanitizer Dispenser with COVID19 project thumbnail featuring ESP32 Dev Module, Ultrasonic Sensor, LCD Displayhttps://arduino.org.in/projects/491-bitcoin-price-tracker-using-esp32-and-oled-display2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/491-bitcoin-price-tracker-using-esp32-and-oled-display-project-thumbnail.webpBitcoin $ Price Tracker Using ESP32 & OLED Display project thumbnailBitcoin $ Price Tracker Using ESP32 & OLED Display project thumbnail featuring ESP32- ESP32 WROOM WiFi Module, LED 5mm LED Red & Green Color, Resistor 560 ohmhttps://arduino.org.in/projects/492-connecting-esp32-to-amazon-aws-iot-core-using-mqtt2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/492-connecting-esp32-to-amazon-aws-iot-core-using-mqtt-project-thumbnail.webpConnecting ESP32 to Amazon AWS IoT Core using MQTT project thumbnailConnecting ESP32 to Amazon AWS IoT Core using MQTT project thumbnail featuring ESP8266, ESP32, DHT11https://arduino.org.in/projects/493-aquarium-water-quality-monitor-with-tds-sensor-and-esp322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/493-aquarium-water-quality-monitor-with-tds-sensor-and-esp32-project-thumbnail.webpAquarium Water Quality Monitor with TDS Sensor & ESP32 project thumbnailAquarium Water Quality Monitor with TDS Sensor & ESP32 project thumbnail featuring ESP32 + LCD Display, TDS Sensor Gravity Analog TDS Sensor, Temperature Sensor DS18B20 Waterproof Temperature Sensorhttps://arduino.org.in/projects/494-monitoring-the-indoor-environment-using-an-esp32-and-an-lcd-display2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/494-monitoring-the-indoor-environment-using-an-esp32-and-an-lcd-display-project-thumbnail.webpMonitoring the Indoor Environment Using an ESP32 and an LCD Display project thumbnailMonitoring the Indoor Environment Using an ESP32 and an LCD Display project thumbnail featuring ESP32+TFT Touch Display, ESP32 3.5" TFT Touch (Capacitive) with Camera, Indoor Environment Expansion board SPG30 + DHT11 Sensor +https://arduino.org.in/projects/495-measure-wind-speed-with-anemometer-on-esp32-tft-display2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/495-measure-wind-speed-with-anemometer-on-esp32-tft-display-project-thumbnail.webpMeasure Wind Speed with Anemometer on ESP32 TFT Display project thumbnailMeasure Wind Speed with Anemometer on ESP32 TFT Display project thumbnail featuring ESP32+TFT Touch Display, ESP32 3.5" TFT Touch (Capacitive) with Camera, Anemometer Sensor Adafruit Anemometer Cup Typehttps://arduino.org.in/projects/496-uv-index-meter-with-esp32-and-uv-sensor-ml85112026-08-02monthly0.8https://arduino.org.in/project-thumbnails/496-uv-index-meter-with-esp32-and-uv-sensor-ml8511-project-thumbnail.webpUV Index Meter with ESP32 & UV Sensor ML8511 project thumbnailUV Index Meter with ESP32 & UV Sensor ML8511 project thumbnail featuring ESP32 Board ESP32 ESP-32S Development Board (ESP, WROOM-32), UV Sensor UV Sensor ML8511https://arduino.org.in/projects/497-iot-based-electricity-energy-meter-using-esp32-and-blynk2026-08-02monthly0.8https://arduino.org.in/project-thumbnails/497-iot-based-electricity-energy-meter-using-esp32-and-blynk-project-thumbnail.webpIoT Based Electricity Energy Meter using ESP32 & Blynk project thumbnailIoT Based Electricity Energy Meter using ESP32 & Blynk project thumbnail featuring ESP32 WiFi Module, ZMPT101B AC Voltage Sensor Module, SCT-013-030 Non-invasive AC Current Sensorhttps://arduino.org.in/projects/498-iot-based-soil-nutrient-monitoring-with-arduino-and-esp322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/498-iot-based-soil-nutrient-monitoring-with-arduino-and-esp32-project-thumbnail.webpIoT Based Soil Nutrient Monitoring with Arduino & ESP32 project thumbnailIoT Based Soil Nutrient Monitoring with Arduino & ESP32 project thumbnail featuring Arduino Board - Arduino Nano, ESP32 Board ESP32 ESP-32S Development Board, NR24L01 Module NRF24L01 PA+LNA 2.4gHz - Wirelesshttps://arduino.org.in/projects/499-ultrasonic-range-finder-with-esp32-tft-display-and-hc-sr042026-08-02monthly0.8https://arduino.org.in/project-thumbnails/499-ultrasonic-range-finder-with-esp32-tft-display-and-hc-sr04-project-thumbnail.webpUltrasonic Range Finder with ESP32 TFT Display & HC-SR04 project thumbnailUltrasonic Range Finder with ESP32 TFT Display & HC-SR04 project thumbnail featuring ESP32+TFT Touch Display - ESP32 3.5" TFT Touch (Capacitive), with Camera, Ultrasonic Sensor - HC-SR04 Ultrasonic Sensorhttps://arduino.org.in/projects/500-diy-iot-water-ph-meter-using-ph-sensor-and-esp322026-08-02monthly0.8https://arduino.org.in/project-thumbnails/500-diy-iot-water-ph-meter-using-ph-sensor-and-esp32-project-thumbnail.webpDIY IoT Water pH Meter using pH Sensor & ESP32 project thumbnailDIY IoT Water pH Meter using pH Sensor & ESP32 project thumbnail featuring ESP32 Board ESP32 ESP-32S Development Board (ESP, WROOM-32), pH Sensor PH SENSOR KIT for Water