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Simplest 100 Watt LED Bulb Circuit

Last Updated on June 1, 2026 by Swagatam 163 Comments

In this article I have explained 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 have already discussed many capacitive type of transformerless power supply circuits in this blog, however all these suffers from a couple of […]

Filed Under: Lamps and Lights Tagged With: 100, Bulb, LED, Simplest, Watt

DIY 100 Watt MOSFET Amplifier Circuit with PCB

Last Updated on May 15, 2026 by Swagatam 166 Comments

1002Bwatt2Bmosfet2Bamplifier2Bcircuit

MOSFET based amplifiers as we all know are outstanding with their sound qualities and they can easily beat the performance of other counterparts based on power transistors or linear ICs. Why use MOSFETs in Amplifiers Amplifiers based on mosfets are not always easy to design or make. Moreover after assembling a prototype, testing to perfection […]

Filed Under: Audio and Amplifier Projects Tagged With: 100, Amplifier, DIY, MOSFET, PCB, Watt

How to Build a 100 Watt, Pure Sine Wave Inverter

Last Updated on July 6, 2022 by Swagatam 27 Comments

Battery 1

The circuit provided in this article shows you a simple way of building a useful liitle inverter that’s easy to build and yet provides the features of a pure sine wave inverter. The circuit can be easily modified for getting higher outputs. Introduction Let’s begin the discussion about how to build a 120 Volt, 100 […]

Filed Under: Inverter Circuits Tagged With: 100, Build, Pure, Sine, Watt, Wave

Hi-Fi 100 Watt Amplifier Circuit Using 2N3055 Transistors – Mini Crescendo

Last Updated on May 15, 2026 by Swagatam 208 Comments

powe supply

Video Demonstration of the Crescendo Amplifier The mini crescendo 100 watt transistorized amplifier circuit explained here was built and tested by me and am extremely pleased by its performance and also its ruggedness as far as maintenance and handling is concerned. Amplifier Class Basically, the entire configuration is a symmetrical class A amplifier incorporating an […]

Filed Under: Audio and Amplifier Projects Tagged With: 100, 2N3055, Amplifier, Mini, Transistors, Watt

How to Illuminate 100 LEDs from 6 Volt Battery

Last Updated on June 1, 2026 by Swagatam 21 Comments

100led 2

In this article I have explained an innovative way of driving more than a hundred white LEDs from a 6 volt battery. The circuit utilizes the IC 555 for driving a step up transformer, whose output is finally used for illuminating the LEDs. A special PWM configuration makes the circuit much power efficient. Main Stages […]

Filed Under: Lamps and Lights Tagged With: 100, Battery, Illuminate, LEDs, Volt

100 Watt LED Constant Current Driver Circuit Diagram

Last Updated on June 1, 2026 by Swagatam 190 Comments

100wattleddrivercircuit

You might have probably come across these fantastic high power, high efficiency LED modules and wondered how do you make these? Here I have explained how to make a 100 watt LED flashlight out of it? Introduction The article revises the datasheet of this LED module and explains a simple driver circuit which can be […]

Filed Under: Lamps and Lights Tagged With: 100, Constant, Current, Driver, LED, Watt

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