This power supply functions with a broad input voltage range from 90 to 265 V AC and produces a dual output in the form of 5 V / 2.5 A, […]
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Motorcycle Voltage Regulator Circuits
The article below explains a compilation of simple yet accurate motorcycle voltage regulator circuits, which can be used for regulating the varying alternator voltage into a fixed DC voltage. Voltage […]
Capacitor Based LED Tubelight Using 1 Watt LEDs
The post explains the construction of a homemade 100 watt capacitive tubelight circuit using 1 watt LEDs. The idea was requested, constructed, tested and verified by one the avid readers […]
Compatible LED Tube Light Circuit for Standard Ballast Fixtures
In this article we will study a simple LED tube light circuit which could be directly replaced with faulty 40 watt T17 fluorescent tubes and fitted directly on the existing […]
Simplest 100 Watt LED Bulb Circuit
The article discusses a very simple 100 watt LED bulb circuit using a few high voltage capacitors. The entire circuit could be built at a cost less than $25. I […]
220V SMPS Cell Phone Charger Circuit
The post explains how to make a simple, cheap yet extremely reliable smps based 220V/120V mains operated cell phone charger circuit. Why TNYxxx Tiny Switch is Used The TNY series […]