The 4 simple light activated day night switch circuits explained here can all be used for controlling a load, normally a 220V lamp, in response to the varying levels of […]
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AC Motor Speed Controller Circuits using Back EMF
In this post we discuss a few circuit diagrams for building AC motor speed controller circuits using back EMF concept. Working Principle of AC Motors All household appliances like electric […]
40 watt Electronic Ballast Circuit
The proposed 40 watt electronic ballast is designed to illuminate any 40 watt fluorescent tube, with high efficiency, and optimal brightness. The PCB layout of the proposed electronic fluorescent ballast […]
2 Simple Earth Leakage Circuit Breaker (ELCB) Explained
The discussed Earth leakage circuit breaker diagrams will monitor the leakage current level of the earthing line of your house electrical sockets and will trip the appliances as soon a […]
Real Machine Gun Sound Effect Generator Circuit
Video Demonstration An impressive little machine gun sound effect generator circuit is discussed here. Once built can be integrated with any audio amplifier to experience a roaring bullet studded war […]
Build a Homemade GSM Car Security System
This super simple circuit design of a gsm car security system really works.Don’t believe it? Find out and learn the simple method of constructing it. How would you feel if […]