In this post we learn how to build 4 interesting VU meter circuits, using LEDs and using a moving coil meter. What is a VU Meter VU meter or a […]
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5 Easy 1 Watt LED Driver Circuits
In this post we are going to learn about a few easy to build, compact 1 watt LED bulb circuits. The first circuit is SMPS based, the second design uses […]
How to Make a Digital Voltmeter, Ammeter Module Circuits
In this article we learn how to build a digital voltmeter and a digital ammeter combined circuit module for measuring DC volts and current through different ranges, digitally. Introduction Electrical […]
6 Useful DC Cell phone Charger Circuits Explained
A DC cell phone or mobile phone charger is a device which charges a cellphone from an available DC supply source. The device converts the unregulated DC source into a […]
How Switch Mode Power Supply (SMPS) Circuits Work
SMPS is the acronym of the word Switch Mode Power Supply. The name clearly suggests that the concept has something or entirely to do with pulses or switching of the […]
How an Inverter Functions, How to Repair Inverters – General Tips
In this post we will try to learn how to diagnose and repair an inverter, by comprehensively learning the various stages of an inverter, and how a basic inverter functions. […]