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Explained

2 Simple Earth Leakage Circuit Breaker (ELCB) Explained

Last Updated on January 19, 2025 by Swagatam 36 Comments

The discussed Earth leakage circuit breaker diagrams will monitor the leakage current level of the earthing line of your house electrical sockets and will trip the appliances as soon a fault is detected. Here I have explained 2 designs, first using transistors only and the second using IC LM324. Introduction If anything goes wrong with […]

Filed Under: Security and Alarm Tagged With: Breaker, Earth, ELCB, Explained, Leakage, Simple

2 Mosquito Swatter Bat Circuits Explained

Last Updated on January 19, 2025 by Swagatam 150 Comments

mosquito swatter bat trafo details

Mosquitoes are a big menace to humankind and these are present in every corner of the world. A cool way of avenging yourself could by eliminating these “devils” through electrocution. A mosquito swatter bat is designed just for this. I have explained how to build its electronic circuitry. The idea was requested by Mr. kathiravan d. […]

Filed Under: Pets and Pests Tagged With: Circuits, Explained, Mosquito, Swatter

2 Digital Potentiometer Circuits Explained

Last Updated on January 19, 2025 by Swagatam 19 Comments

DS 1869 potentiometer circuit

In this post I have explained a 2 simple, single chip digital potentiometer circuits which can be controlled through a single pushbutton, a dual pushbutton (up/down) or even through external digital (CMOS/TTL) input triggers. 1) About DS1869 Dallastat TM is a rheostat or potentiometer. This unit delivers 64 conceivable consistent tap outputs over the over-all […]

Filed Under: Mini Projects Tagged With: Circuits, Digital, Explained, Potentiometer

2 Best Long Duration Timer Circuits Explained

Last Updated on January 19, 2025 by Swagatam 185 Comments

long duration timer circuit

In this post I have explained how to make 2 accurate long duration timer circuits ranging from 4 hours to 40 hours, which can be upgraded further for getting even longer delays. The concepts are fully adjustable. A timer in electronics is essentially a device which is used for producing time delay intervals for switching […]

Filed Under: Timer and Delay Relay Tagged With: Best, Circuits, Duration, Explained, Long, Timer

2 Best Current Limiter Circuits Explained

Last Updated on January 19, 2025 by Swagatam 335 Comments

precisioncurrentlimiter

In this post I have explained 2 simple universal current controller circuits which can be used for safely operating any desired high watt LED. The universal high watt LED current limiter circuit explained here can be integrated with any crude DC supply source for getting an outstanding over current protection for the connected high watt […]

Filed Under: Lamps and Lights Tagged With: Best, Circuits, Current, Explained, Limiter

16 Easy IC 741 Op Amp Circuits Explained

Last Updated on January 19, 2025 by Swagatam 34 Comments

1 16

The 16 fundamental IC 741 based op amp circuits presented here are not only interesting but also very amusing to build. The included circuit ideas like inverting and non-inverting amplifiers, tone control and regulated power supply will surely intrigue you. Circuit diagrams are also attached with the article. Application Circuits (Learn More) We all are […]

Filed Under: Mini Projects Tagged With: 741, Circuits, Easy, Explained

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