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Mains AC Short Circuit Breaker/Protector – Electronic MCB Circuit

Last Updated on February 15, 2026 by Swagatam 111 Comments

ShortCircuitbreaker

In this post I will try to explain the making of a simple 220 V, 120 V AC mains short circuit breaker using an SCR and a triac combination, (researched and designed by me). The circuit is an electronic version of the normal main circuit breaker MCB units that we use in our homes. Note: […]

Filed Under: Voltage Control and Protection Tagged With: AC, Breaker, Electronic, Mains, Protector, Short

How to Manufacture Automobile Electronic Parts and Earn a Handsome Income

Last Updated on February 12, 2026 by Swagatam 4 Comments

containeronepickgadgetarewriteMimeimageurlhttpimages.brighthub.com6386381fbc49d808e4ec98eca502167dc077f287b39 orig

To set up an auto electrical manufacturing unit, it’s important to have a thorough knowledge regarding the various technicalities associated with the field. The article makes a comprehensive approach and explains all the issues related to the subject. Introduction We begin with the basic raw materials and man power required for the intended installations and […]

Filed Under: Automobile Electronics Tagged With: Automobile, Earn, Electronic, Handsome, Manufacture, Parts

Electronic Voting Machine with SD Card Module

Last Updated on January 28, 2026 by Swagatam 10 Comments

EVM 2

In this post I will show how to construct a circuit for an Electronic Voting Machine using Arduino and SD card module where the election data is stored in the SD card.  UPDATE: This circuit has been upgraded to an improved version in which the results can be viewed over an attached LCD display, you […]

Filed Under: Arduino Projects Tagged With: Card, Electronic, Machine, Module, SD, Voting

5 Simple Electronic Dice Circuits Explained [Digital Dice]

Last Updated on December 16, 2025 by Swagatam 12 Comments

dice compressed

We all know what a dice is and how manually a dice is shuffled and thrown to get a random number. In older times when we did not have computer games or mobile games, we used to play with various indoor games that required tossing a cubical thing called dice having 1 to 6 dots […]

Filed Under: Games and Sports Projects Tagged With: Circuits, Dice, Digital, Electronic, Explained, Simple

Make an Electronic Candle at Home Circuit

Last Updated on September 20, 2025 by Swagatam 25 Comments

candle 1

The proposed electronic candle circuit  does not use wax, paraffin or flame, yet the device perfectly simulates a conventional candle. Basically it incorporates ordinary electronic parts like LED and battery. The interesting part of it is that it can be extinguished with literally a puff of air. The proposed electronic LED candle circuit helps you […]

Filed Under: Lamps and Lights Tagged With: Candle, Electronic, Home

How to Build a Pyro-ignition Circuit – Electronic Pyro Igniter system

Last Updated on September 20, 2025 by Swagatam 7 Comments

pyroignition 2

The following conversation was made by Mr.Tom and me regarding the circuit idea of a pyro-iginition system. I was asked to design the particular circuit idea by Mr.Tom in Fiverr.com. Technical Specifications The discussion explains the details of his requirement and how it was almost fulfilled by me Hi Swagatam, I was wondering if you […]

Filed Under: Temperature Controllers Tagged With: Build, Electronic, Igniter, Ignition, Pyro, System

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