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How to Make IC LM339 Circuits

Last Updated on December 4, 2022 by Swagatam 2 Comments

The IC LM 339 is primarily created to compare two input voltages and generate a corresponding output. Having said that, before we try to learn regarding the various LM339 based […]

Filed Under: How to Articles, Simple Circuits

Model Train Controller Circuit

Last Updated on October 26, 2021 by Swagatam 2 Comments

In this post we will learn how to build a simple yet a realistic model train controller circuit, which can be integrated with the rail tracks of an existing motorized […]



Filed Under: Motor Controller

Loop-Alarm Circuits – Closed-Loop, Parallel-Loop, Series/Parallel-Loop

Last Updated on September 25, 2020 by Swagatam 2 Comments

The article discusses a few simple loop based security alarm circuits, categorized under closed loop, parallel loop, and series/parallel loop. All these designs could be customized and used for a […]

Filed Under: Security and Alarm, Simple Circuits

Automotive LED Driver Circuits – Design Analysis

Last Updated on May 20, 2022 by Swagatam 38 Comments

In cars or automobiles, LEDs have grown to be the preferred choice of lighting. Whether it’s the rear tail-lights or the tell-tale indicators in the cluster as indicated in Figure […]

Filed Under: Car and Motorcycle

LED Obstruction Light Circuit

Last Updated on September 17, 2019 by Swagatam 15 Comments

Obstruction lights are warning lights that we see at the top of tall structures like towers and skyscrapers, installed for indicating the aircrafts and other flying objects about these obstructions. […]

Filed Under: LED and Light Effect

Musical Christmas Decoration Light Circuit

Last Updated on December 24, 2018 by Swagatam 10 Comments

A very interesting musical Christmas decoration light circuit can be built using a single IC, and some other few passive components, let’s learn the details as furnished below. By: Ritu […]

Filed Under: Decorative Lighting (Diwali, Christmas)

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