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Sensors and Detectors

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Simple Human Touch Sensor Circuit with Transistor

Last updated on 15 October 2025 by Admin-Lavi Leave a Comment

A human touch can do magic! This Simple Human Touch Sensor Circuit with Transistor shows how a tiny finger touch can switch ON a light. No switch, no button just a skin current makes it work. It is a cool and educational mini project for learners. Circuit Working: Parts List: Component Name Specification Quantity Resistor […]

Filed Under: Sensors and Detectors, Transistor Circuits

Smart Energy Meter Circuit with Arduino UNO

Last updated on 28 September 2025 by Admin-Lavi Leave a Comment

Electric bill increasing day by day. So we need smart way to measure power use. Here is a simple project using Arduino UNO, ACS712 current sensor and 16×2 LCD with I2C. It shows real time current, voltage and power. This project for Smart Energy Meter Circuit with Arduino UNO help to monitor load and save […]

Filed Under: Arduino Projects, Meters and Testers, Power Supply Circuits, Sensors and Detectors

Sound Activated LED Circuit with Arduino

Last updated on 22 September 2025 by Admin-Lavi Leave a Comment

Make our Lights Dance with Sound! This Sound Activated LED Circuit with Arduino turns every clap, snap or beat into a colorful light show. It is a fun and easy project that brings sound and LEDs to life. Perfect for beginners who want to see their music or sounds in action! Circuit Coding: Coding Explanation: […]

Filed Under: Arduino Projects, Sensors and Detectors

Whistle Controlled Light Circuit using Arduino

Last updated on 22 September 2025 by Admin-Lavi Leave a Comment

This Whistle Controlled Light Circuit using Arduino is small and fun project. Bulb lights when we whistle. In this article we have used sound sensor, relay and Arduino Uno. This project is easy and cheap. The circuit is good for fun, study and small automation. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Component Quantity […]

Filed Under: Arduino Projects, Sensors and Detectors

Tilt Switch Interfacing Circuit with Arduino Uno

Last updated on 22 September 2025 by Admin-Lavi Leave a Comment

Tilt sensor is like small switch. It changes state when we tilt or move it. Its used for detect direction, movement or vibration. Here we used Arduino Uno with tilt sensor, buzzer and one LED. When sensor tilt, Arduino see it. Then Arduino make buzzer ON and LED ON. Circuit Coding: Coding Explanation: Circuit Working: […]

Filed Under: Arduino Projects, Sensors and Detectors

Interfacing Hall Effect Magnetic Sensor Circuit with Arduino

Last updated on 21 September 2025 by Admin-Lavi Leave a Comment

Hall sensor feel magnet near it. It make signal when magnet is close. Signal can be digital or analog. Arduino read this signal. We can see result on computer or LED. It is use for motor, wheel speed or position check. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Component Name Quantity Arduino UNO 1 […]

Filed Under: Arduino Projects, Sensors and Detectors

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