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Newly Updated Circuit Projects:

LED Timer Indicator Circuit for Board Games

Last Updated on May 21, 2026 by Swagatam 2 Comments

led2Btimer

In this article I have explained a simple LED indicator timer circuit which can be used with board games for indicating the elapsed time or the time consumed by the player to complete his or her turn. The idea was requested by Mr. Shane Robins. Technical Specifications Hope all is well with you. I am relatively new […]

Filed Under: Games and Sports Projects Tagged With: Board, Games, Indicator, LED, Timer

Making an Automatic Stopwatch for Runners, Athletes and Sportpersons

Last Updated on May 21, 2026 by Swagatam Leave a Comment

DSC0410 1

In this post I will show how to construct a stopwatch which automatically starts timer when the runner begins to run and the timer stops when the runner reaches the end. The elapsed time between starting and ending point is displayed on a 16 x 2 LCD. First let’s begin by learning how to configure […]

Filed Under: Arduino Projects, Games and Sports Projects Tagged With: Athletes, Automatic, Making, Runners, Sportpersons, Stopwatch

5 Simple Electronic Dice Circuits Explained [Digital Dice]

Last Updated on May 21, 2026 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

Simple H-Bridge Circuits Using BJTs and MOSFETs | No Need of Driver ICs

Last Updated on May 21, 2026 by Swagatam Leave a Comment

An H-bridge is one very useful circuit arrangement which lets us reverse the polarity across a load, so now with one DC supply we can make current flow through the load in both directions alternately. Because of that, these H-bridge circuits get used in many places like DC to AC inverter circuits, transformer drivers, bidirectional […]

Filed Under: Inverter Circuits, Motor Controller Tagged With: BJTs, Bridge, Circuits, MOSFETs, Need, Simple

Parallel Path Overunity device

Last Updated on May 20, 2026 by Swagatam 17 Comments

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In this post I have explained the making of a parallel path overunity device through a few magnets and coils. What is Parallel Path Technology Parallel path technology was first introduced by Mr. Joe Flynn and it’s also called the Flynn’s concept. In this concept or theory, a relatively weaker electromagnetic influence is used for […]

Filed Under: Energy from Magnets Tagged With: device, Overunity, Parallel, Path

Bicycle Generator Circuit

Last Updated on May 20, 2026 by Swagatam 6 Comments

freeenergybicyclegenerator

In the following post I have explained a simple circuit idea which can be used for generating free electrical energy for illuminating a few safety flashing LEDs on a  Bicycle. The Circuit Concept A bicycle like any other modern vehicle needs provision of lighting system for its use at night or cycling in lesser light. Usually […]

Filed Under: Energy from Magnets Tagged With: Bicycle, Energy, Free, Generator

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