The post discusses a simple deep under soil metal detector circuit for evaluating hidden metals such as gold, iron, tin, brass etc by detecting change in the resistance of the […]
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3 High Power SG3525 Pure Sine wave Inverter Circuits
The post explains a 3 powerful yet simple sine wave 12V inverter circuits using a single IC SG 3525. The first circuit is equipped with a low battery detection and […]
Simple Faraday Flashlight – Circuit Diagram and Working
In this article we are going to construct a Faraday flashlight circuit using only a coil/magnet assembly which requires no battery. It’s not free energy, but it converts oscillatory motion […]
How to Add a Dimmer Facility to a LED Bulb
In this article we learn how to make an LED dimmer circuit for enabling a dimming facility to any mains operated LEDs bulb. How LED Bulbs Work We know that […]
3 Phase Induction Motor Speed Controller Circuit
In this post we discuss the making of a simple 3 phase induction motor speed controller circuit, which can be also applied for a single phase induction motor or literally […]
6 Simple Class A Amplifier Circuits Explained
The post discusses a 6 simple, cheap class A power amplifier circuits which can be used for any small scale audio amplifier application. By: Dhrubajyoti Biswas 1) Zero Negative Feedback […]