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Sensors and Detectors

PIR Motion Detector Circuit using Arduino

Last updated on 19 September 2025 by Admin-Lavi Leave a Comment

Turn Arduino into a motion spy! With just a PIR sensor, buzzer and LED we can detect movement easily. Whenever someone passes it spots movement and warns us with light and sound. This PIR Motion Detector Circuit using Arduino is for beginners and makers. It is fast to build, fun to use and full of […]

Filed Under: Arduino Projects, Sensors and Detectors

LDR Light Sensor Circuit with Arduino

Last updated on 18 September 2025 by Admin-Lavi Leave a Comment

This project is for smart LDR Light Sensor Circuit with Arduino. It can feel light like human eye. When dark come, it turn ON lamp by itself. When light come, it turn OFF lamp automatic. No need to press any switch. It save time and save power. It is small, simple and very low cost […]

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

Arduino Based Coin Value Identifier Circuit

Last updated on 23 June 2026 by Admin-Lavi Leave a Comment

This Arduino Based Coin Value Identifier Circuit is a simple for coin sorting machine, it can detect and sort 2 Rs, 5 Rs, and 10 Rs coins. Different IR sensors detect each coin type and the Arduino reads the triggered sensor and displays the value on the LCD. Also, this project is useful for small […]

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

Simple Arduino IR Remote Control Decoder Circuit

Last updated on 23 June 2026 by Admin-Lavi Leave a Comment

This project show how to read IR remote signals using Arduino and for that we used TSOP1738 IR sensor. Arduino can detect button press from remote and also this project for Simple Arduino IR Remote Control Decoder Circuit is simple and easy for beginners. Arduino Code: Coding Explanation: Circuit Working: Parts List: Components Quantity Resistor […]

Filed Under: Arduino Projects, Automation Circuits, Mini Projects, Remote Control Circuits, Sensors and Detectors

Arduino GPS Based Speedometer Circuit

Last updated on 23 June 2026 by Admin-Lavi Leave a Comment

Anyone want to check speed of bike, car or any moving vehicle? So with Arduino and GPS module we can make small but cheap DIY speedometer, as this project for Arduino GPS Based Speedometer Circuit is easy and fun; also it shows real-time speed on LCD using GPS satellite data. This project requires only an […]

Filed Under: Arduino Projects, Automobile Circuits, IoT projects, Sensors and Detectors

Arduino Based Motion Dog Barking Alarm Circuit

Last updated on 23 June 2026 by Admin-Lavi Leave a Comment

This Arduino Based Motion Dog Barking Alarm Circuit make dog sound when motion detects, it uses Arduino Nano, Pir sensor, Dog Sound Module, BC547 transistor, IC LM386 Amplifier Module and 8Ω Speaker. When Pir senses human or animal move, then Arduino play dog bark sound to scare intruder, also this is simple and low cost […]

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

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