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40 watt Electronic Ballast Circuit

Last Updated on August 29, 2019 by Swagatam 109 Comments

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 […]

Filed Under: Home Electrical Circuits, Power Electronics

Sequential LED Array Light Circuit Using IC 4017 Explained

Last Updated on September 22, 2020 by Swagatam 32 Comments

The article describes how to make a sequential LED array light circuit with an sequentially illuminating LED forming a bar graph kind of LED formation. Introduction The article describes a […]



Filed Under: 4017 IC Circuits, LED and Light Effect

How To Calculate and Connect LEDs in Series and Parallel

Last Updated on September 1, 2021 by Swagatam 43 Comments

In this article you will learn how to calculate LEDs in series and parallel using a simple formula and configure your own personalized LED displays, now you don’t just have […]

Filed Under: Electronics Tutorial

Simple LED Tubelight Circuit

Last Updated on June 18, 2022 by Swagatam 89 Comments

An LED tube-light is lighting device built using high efficiency LEDs for illuminating a premise where it is installed, through the available AC mains supply. The following post explains the […]

Filed Under: LED and Light Effect, Mini Projects

Simple LED Music Level Indicator Circuit

Last Updated on July 27, 2019 by Swagatam 15 Comments

An LED music level indicator is a circuit that will respond to the connected music levels and illuminate a chain of LEDs sequentially in a push-pull switching manner, in accordance […]

Filed Under: Audio and Amplifier Projects, Mini Projects

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