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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 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 Cool 50 Watt Inverter Circuits for Students and Hobbyists

Last Updated on January 19, 2025 by Swagatam 160 Comments

502Bwatt2Bmosfet2Binverter2Bcircuit

A 50 watt inverter circuit might look quite trivial, but it can serve some useful purposes to you. When outdoors, this small power house can be used for operating small electronic gadgets, soldering iron, table top radios, incandescent lights, fans etc. Let’s learn 2 homemade 50 watt inverter circuit designs, beginning with a brief description […]

Filed Under: Inverter Circuits Tagged With: Circuits, Cool, Hobbyists, Inverter, Students, Watt

2 Best Long Duration Timer Circuits Explained

Last Updated on January 19, 2025 by Swagatam 191 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

7 Easy Sawtooth Waveform Generator Circuits using UJT, IC 555, and Transistors

Last Updated on January 12, 2025 by Swagatam 6 Comments

swatooth generator circuit compressed

In this post I have explained how to build 7 types of easy sawtooth generator circuits, using BJTs, UJTs, and IC 555. In a sawtooth waveform the voltage increases slowly in a slanting manner or diagonally, then as soon as it reaches the peak, the waveform voltage suddenly drops to zero. Once it drops to […]

Filed Under: Oscillator Circuits Tagged With: Circuits, Easy, Generator, Sawtooth, UJT, Waveform

7 Interesting IC 555 Siren and Alarm Circuits

Last Updated on December 26, 2024 by Swagatam 47 Comments

whooper siren compressed

In this post I have explained how to use IC 555 to create 7 interesting siren and alarm sound effect generator circuits. The versatile astable multivbrator configuration of IC 555 allows us to implement it for making various types of sirens and alarm circuits. This becomes possible because an astable is basically a waveform generator, […]

Filed Under: Security and Alarm Tagged With: 555, Alarm, Circuits, Interesting, Siren

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