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Firecracker Igniter circuit [Remote Controlled with Timer]

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

IR and monostable multivibrator

In this post I will show how to construct a few fireworks ignition circuits which can safely ignite them via IR remote and timer. We have proposed three firecracker igniter circuit designs using ordinary components which we will be exploring them in detail. Before we jump in to the circuit details, we have a word […]

Filed Under: Remote Control Circuits

LED Star Circuit

Last Updated on December 1, 2023 by Swagatam 9 Comments

LED star block diagram compressed

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 and imploding 6 arm star. A block diagram of the circuit can be seen in the Fig. 1 below, configured using 3 components: oscillator, counter, […]

Filed Under: Lamps and Lights

5 Simple Electronic Dice Circuits Explained [Digital Dice]

Last Updated on January 3, 2024 by Swagatam 8 Comments

digital dice circuit 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

Digital Step Sine wave Generator Circuit

Last Updated on September 11, 2021 by Swagatam 2 Comments

digital sinewave generator circuit compressed

In this post I have explained how to build a simple yet accurate digital sine wave generator circuit, which is basically an oscillator circuit, enhanced to generate square waves through incrementing steps, which ultimately appears like a stepped sine waveform. By Ron Mackenzy The difference between analogue sine wave generator and digital sine wave generator […]

Filed Under: Oscillator Circuits

TTL, LSTTL, CMOS, HCCMOS ICs Pinouts

TTL supply range

Although not many years ago logic integrated circuits in electronic circuits for the hobbyists were non-existent, these gradually made an appearance in a variety of emerging new electronic projects. We are now in the period where there is apparently hardly any electronic circuit that don’t include one of these CMOS ICs, and they can be […]

3-Digit LED Capacitance Meter Circuit

Last Updated on January 31, 2021 by Swagatam 5 Comments

capacitor meter compressed

This project is yet another test equipment that can be extremely handy to any electronic hobbyist, and building this unit can be a lot of fun. A capacitance meter is a very useful test equipment as it allows the user to check a desired capacitor and confirm its relaibility. Ordinary or standard digital meters mostly […]

Filed Under: Meters and Testers

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