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Arduino Bluetooth Appliance Controller Circuit

Last updated on 14 November 2025 by Admin-Lavi Leave a Comment

This project shows how to control a home appliance with Arduino. Bluetooth module HC05 sends command from mobile. Relay switches the AC load like bulb or fan. Arduino Bluetooth Appliance Controller Circuit is simple and safe when wired correctly. Good for beginners who want home automation. Arduino Coding: Code Explanation: Circuit Working: Parts List: Item […]

Filed Under: Arduino Projects, IoT projects

Arduino Line Follower Robot Circuit

Last updated on 14 November 2025 by Admin-Lavi Leave a Comment

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

Filed Under: Arduino Projects, Sensors and Detectors

MQ2 Gas Sensor Circuit with Arduino

Last updated on 9 November 2025 by Admin-Lavi Leave a Comment

The MQ2 Gas Sensor Circuit with Arduino is a low-cost sensor. 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. This circuit is very simple to make […]

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

Arduino IR LED Transmitter Circuit

Last updated on 8 November 2025 by Admin-Lavi Leave a Comment

This project sends IR signals using Arduino. Arduino drives one IR LED. We press button on serial monitor or code trigger. IR LED sends coded light signal. This Arduino IR LED Transmitter Circuit works like a small remote controller. Circuit is easy and simple. Arduino Coding: Coding Explanation: Circuit Working: Parts List: Component Name Value […]

Filed Under: Arduino Projects, LED and Lamps, Transmitter Circuit

Arduino IR Remote Control RGB LED Circuit

Last updated on 11 November 2025 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. It feels like small smart light. This Arduino IR Remote Control RGB LED Circuit is easy to build. Arduino Coding: Code Explanation: Circuit […]

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

Arduino LED Dimmer Circuit using IR Remote

Last updated on 7 November 2025 by Admin-Lavi Leave a Comment

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

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

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