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Newly Updated Circuit Projects:

2 Simple Induction Heater Circuits – Hot Plate Cookers

Last Updated on January 19, 2025 by Swagatam 413 Comments

royerinductionheatercircuit

In this post I have explained 2 easy to build induction heater circuits which work with high frequency magnetic induction principles for generating substantial magnitude of heat over a small specified radius. The discussed induction cooker circuits are truly simple and uses just a few active and passive ordinary components for the required actions. Update: You […]

Filed Under: Temperature Controllers Tagged With: Circuits, Cookers, Heater, Induction, Plate, Simple

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 Simple Bidirectional Motor Controller Circuits Explored

Last Updated on January 19, 2025 by Swagatam 22 Comments

motor2Bspeed2Bcontroller2Bcircuit

A circuit which allows a connected motor to operate in clockwise and anticlockwise directions through alternate input triggers is called a bidirectional controller circuit. The first design below discusses a Full bridge or H bridge based Bidirectional motor controller circuit using the 4 opamps from the IC LM324. In the second article I have explained […]

Filed Under: Motor Controller Tagged With: Bidirectional, Circuits, Controller, Explored, Motor, Simple

2 Simple Automatic Transfer Switch (ATS) Circuits

Last Updated on January 19, 2025 by Swagatam 107 Comments

automatictransferswitchcircuit

In this article we investigate an ATS circuit for initiating an automatic changeover from mains supply to generator supply through many intermediate transfer stages which involves activating the fuel valve, choke valve and the generator starter. The circuit was requested by Mr. Hari, and another dedicated reader from this blog. Requirement for 5kva LPG Generator […]

Filed Under: Grid and 3-Phase Tagged With: ATS, Automatic, Circuits, Simple, Switch, Transfer

2 Simple Arduino Temperature Meter Circuits Explored

Last Updated on January 19, 2025 by Swagatam 7 Comments

LEDThermometerpic

In this article, I will show how to construct a couple of easy Arduino temperature meter circuits which can be also used as a LED room thermometer circuit. The circuit is designed to display the readings in doted/bar LEDs. This project can be implemented for applications where ambient temperature plays a crucial role or it […]

Filed Under: Sensors and Detectors Tagged With: Arduino, Circuits, Explored, Meter, Simple, Temperature

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

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