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Medical Store LED Cross Sign Circuit [Plus Sign]

Last Updated on January 22, 2022 by Swagatam 13 Comments

In this post we will learn how to make an interesting yet simple running LED cross sign or plus sign module for displaying in front of medical stores. Nowadays, it […]

Filed Under: LED and Light Effect

Light Controlled Sound Effect Generator Circuit

Last Updated on December 16, 2021 by Swagatam 6 Comments

This unique circuit allows you to create many different sound effect outputs simply by moving your hands over a couple of light dependent resistors, by varying the intensity of incident […]



Filed Under: Audio and Amplifier Projects

3 LED Battery Level Indicator Circuit

Last Updated on September 5, 2021 by Swagatam 15 Comments

The proposed 3 LED battery level indicator can be typically used for monitoring a 12 V lead acid battery charge level, through 3 distinct LED illumination. The entire circuit is […]

Filed Under: Battery Chargers

Cellphone Controlled Plant Watering Circuit

Last Updated on July 23, 2022 by Swagatam 3 Comments

In this post we will discuss a couple of circuits that will allow automatic watering of plants and flower pots, even while the owner of the house is away from […]

Filed Under: Timer and Delay Relay

Firecracker Igniter circuit [Remote Controlled with Timer]

Last Updated on August 30, 2021 by Swagatam Leave a Comment

In this post we are going to construct a few fireworks ignition circuits which can safely ignite them via IR remote and timer. We have proposed three firecracker igniter circuit […]

Filed Under: Remote Control

LED Star Circuit

Last Updated on March 9, 2023 by Swagatam 3 Comments

This circuit can be used like a tree ornament, however the LED star circuit explained here has a variation; it’s completely electronic and it provides the impression of an exploding […]

Filed Under: 4017 IC Circuits, LED and Light Effect



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