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Electronic Eye Circuit using IC 4049

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

This project is for small Electronic Eye Circuit using IC 4049. It can sense darkness or shadow. When light falls on LDR the circuit stays OFF. When light is blocked then LED and buzzer turns ON. It is like a magic eye circuit used for security or door alarms. Circuit Working: Parts List: Component Value […]

Filed Under: LDR Circuits

Sound And Light Metronome Circuit using Transistors

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

Music needs rhythm. A metronome helps us keep that rhythm perfect. This small project for Sound And Light Metronome Circuit using Transistors turns light into beat. When light changes then sound speed also change. It is simple, fun and easy to build. What is Metronome: Metronome is small device that gives steady beat. It makes […]

Filed Under: Audio Circuits, Transistor Circuits

Simple LED Circuit

Last updated on 17 October 2025 by Admin-Lavi Leave a Comment

Want to light an LED using a battery? This Simple LED Circuit using 9V Battery shows how. It is the first step to learn electronics and current flow. Just with one battery, one resistor and one LED. We can make it in few minutes and see our LED glow bright. Circuit Working: Parts List: Component […]

Filed Under: Battery Charger Circuits, LED and Lamps

IR Burglar Alarm Circuit

Last updated on 17 October 2025 by Admin-Lavi Leave a Comment

Want to protect our home or room from intruders? This simple IR Burglar Alarm Circuit is our smart security buddy! It uses invisible IR light to sense any movement or break in the beam. The moment someone crosses the path, a loud buzzer alerts us instantly. Easy to build, with low cost and perfect for […]

Filed Under: Alarm Circuits, LED and Lamps

LED Blinking Circuit using 555 Timer

Last updated on 16 October 2025 by Admin-Lavi Leave a Comment

This is simple LED Blinking Circuit using 555 Timer. It uses 555 timer IC. Circuit make LED ON and OFF again and again. Good for beginner to learn 555 timer working. It needs few parts only and run from 9V battery. This circuit is easy to make and is a small fun project. Circuit Working: […]

Filed Under: LED and Lamps, Timer Circuits

Simple School Project Multimeter Circuit

Last updated on 29 December 2025 by Admin-Lavi 2 Comments

Touch electricity and learn easy way! This Simple School Project Multimeter Circuit show how current and voltage work in real life. With one battery, one resistor, one ammeter and one voltmeter, we can measure electricity at home. It is fun, simple and good for beginner to see how circuit really flow. Circuit Working: Parts List: […]

Filed Under: Meters and Testers, Tutorials

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