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Music Level LED Indicator Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This tutorial help to make Music Level LED Indicator Circuit Light which turn on again and again when music volume goes up or down. Light move like wave when music get loud fast. This article tell how circuit work and what parts we need for make it. What is a Music Level LED Indicator Circuit: […]

Filed Under: Indicator Circuits, LED and Lamps

LED Emergency Light Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This is small project for making a LED Emergency Light Circuit. It help when power goes OFF which is very easy to build and does not cost much. We use these LED because it saves power and last for long time. Circuit Working: Parts List: Category Item Quantity Resistors 1k 1/4 W CFR 1 100Ω […]

Filed Under: LED and Lamps

Automatic Bedroom Lamp Timer Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Automatic Bedroom Lamp Timer Circuit turns OFF by itself and this is a very cool idea. But first think about safety. Do not touch when it is plug in as It takes big power from wall. This circuit is not too hard. When we press button then many parts start working together. What is a […]

Filed Under: LED and Lamps, Timer Circuits

How to Build a Simple Solar Cell Circuit using a 2N3055 Transistor

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Anyone wants to know how solar panel work? We can try How to build a Simple Solar Cell Circuit using a 2N3055 Transistor at home which is possible. If we like electronics and know transistor then we will enjoy this project. This model is not big and cannot give power to house but very good […]

Filed Under: Power Supply Circuits, Transistor Circuits

Continuity Tester Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This Continuity Tester Circuit uses two transistor like small switch for checking wire is good or bad. We just need battery and one LED light. One side touches to battery other side touches the wire. If wire is okay, then current connects through and light will ON. That mean electricity flows without stopping. If wire […]

Filed Under: Meters and Testers

Simple Piezo Buzzer Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This Simple Piezo Buzzer Circuit make sound in new way. It is easy to make and need only few parts like: It make high sound like a whistle. This circuit is special because coil makes the sound to keep going and is not like other circuit with resistor and capacitor only. What is a Piezo […]

Filed Under: Audio Circuits

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