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Arduino Projects

Arduino Bluetooth Appliance Controller Circuit

Last updated on 29 June 2026 by Admin-Lavi Leave a Comment

This project shows how to control a home appliance with Arduino and bluetooth module HC05 sends command from mobile. Then relay switches the AC load like bulb or fan Arduino Bluetooth Appliance Controller Circuit is simple and safe when wired correctly, also it is good for beginners who want home automation. Arduino Code: Code Explanation: […]

Filed Under: Arduino Projects, Automation Circuits, IoT projects

Arduino Line Follower Robot Circuit

Last updated on 29 June 2026 by Admin-Lavi Leave a Comment

Arduino Line Follower Robot Circuit uses sensors and motors. IR sensors look at floor all time and they find black line and white area, Arduino read these sensor signals and then it tell motor driver what to do. Motor driver control wheels speed and direction and then robot follow black line by itself. Arduino Code: […]

Filed Under: Arduino Projects, Automation Circuits, Hobby Circuits, Sensors and Detectors

MQ2 Gas Sensor Circuit with Arduino

Last updated on 29 June 2026 by Admin-Lavi Leave a Comment

The MQ2 Gas Sensor Circuit with Arduino is a low-cost sensor, as it can catch bad gas in air very quickly. When we connect it with Arduino, we make small gas alarm system; it reads gas level, show number on LCD and buzzer make sound when gas goes high. Also, this circuit is very simple […]

Filed Under: Alarm Circuits, Arduino Projects, Security and Protection, Sensors and Detectors

Arduino IR LED Transmitter Circuit

Last updated on 29 June 2026 by Admin-Lavi Leave a Comment

This project sends IR signals using Arduino and Arduino drives one IR LED; when we press button on serial monitor or code trigger, then IR LED sends coded light signal Also, this Arduino IR LED Transmitter Circuit works like a small remote controller and circuit is easy and simple. Arduino Code: Coding Explanation: Circuit Working: […]

Filed Under: Arduino Projects, LED and Lamps, Remote Control Circuits, Transmitter Circuit

Arduino IR Remote Control RGB LED Circuit

Last updated on 29 June 2026 by Admin-Lavi Leave a Comment

This Arduino project changes RGB LED color with IR remote; press one button and LED changes fast; no touch, no switch, only remote use; IR sensor reads signal and Arduino drives LED and it feels like small smart light; also this Arduino IR Remote Control RGB LED Circuit is easy to build. Arduino Code: Code […]

Filed Under: Arduino Projects, Automation Circuits, Hobby Circuits, LED and Lamps, Remote Control Circuits

Arduino LED Dimmer Circuit using IR Remote

Last updated on 29 June 2026 by Admin-Lavi Leave a Comment

This project for Arduino LED Dimmer Circuit using IR Remote make simple LED look like smart light. Here, LED listens to IR remote, IR receiver reads remote signal and then Arduino change LED brightness using PWM. With Arduino and few parts, we can change brightness sitting on sofa and it feel like small home-automation system; […]

Filed Under: Arduino Projects, Automation Circuits, LED and Lamps, Mini Projects, Remote Control Circuits

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