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How to Build a 100 Watt, Pure Sine Wave Inverter

Last Updated on July 6, 2022 by Swagatam 27 Comments

Battery 1

The circuit provided in this article shows you a simple way of building a useful liitle inverter that’s easy to build and yet provides the features of a pure sine wave inverter. The circuit can be easily modified for getting higher outputs. Introduction Let’s begin the discussion about how to build a 120 Volt, 100 […]

Filed Under: Inverter Circuits Tagged With: 100, Build, Pure, Sine, Watt, Wave

How to Build a 400 Watt High Power Inverter Circuit

Last Updated on October 20, 2020 by Swagatam 95 Comments

Interested to make your own power inverter with built in charger? A simple 400 watt inverter circuit with charger that can be very easily built and optimized has been provided in this article. Read the complete discussion through neat illustrations. Introduction A massive 400 watts power inverter with built in charger circuit has been thoroughly […]

Filed Under: Inverter Circuits Tagged With: 400, Build, High, Inverter, Power, Watt

How to Build a Pyro-ignition Circuit – Electronic Pyro Igniter system

Last Updated on September 20, 2025 by Swagatam 7 Comments

pyroignition 2

The following conversation was made by Mr.Tom and me regarding the circuit idea of a pyro-iginition system. I was asked to design the particular circuit idea by Mr.Tom in Fiverr.com. Technical Specifications The discussion explains the details of his requirement and how it was almost fulfilled by me Hi Swagatam, I was wondering if you […]

Filed Under: Temperature Controllers Tagged With: Build, Electronic, Igniter, Ignition, Pyro, System

How to Build a Rain Sensor Circuit

Last Updated on April 16, 2022 by Swagatam 22 Comments

This is a simple rain sensor circuit which can be built by a school grade student very easily and can be used for displaying its relatively useful feature, probably among his friends or in a science fair exhibition. Using IC 555 as the Comparator The circuit is basically rigged using IC 555 as a comparator […]

Filed Under: Sensors and Detectors Tagged With: Build, Rain, Sensor

Build Simple Transistor Circuits

Last Updated on June 23, 2026 by Swagatam 73 Comments

variable power supply transistor

A compilation of important assorted transistor simple circuits to build has been included here. Simple Transistor Circuits for New Hobbyists Many simple transistor configurations like, rain alarm, delay timer, set reset latch, crystal tester, light sensitive switch and many more have been discussed in this article. In this compilation of simple transistor circuits (schematics) you […]

Filed Under: Mini Projects Tagged With: Build, Circuits, Simple, Transistor

How to Build a Simple Egg Incubator Thermostat Circuit

Last Updated on July 26, 2026 by Swagatam 212 Comments

eggincubatorthermostatcircuit

An electronic incubator thermostat circuit shown in this article is not only simple to build but is also easy to set and acquire exact tripping points at various different set temperature levels. The setting may be completed through two discrete variable resistors. How Incubators Work An Incubator is a system where bird/reptile eggs are hatched […]

Filed Under: Temperature Controllers Tagged With: Build, Incubator, Simple, Thermostat

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