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All designs, concepts and diagrams presented in this website are Copyright protected, producing them in any form anywhere, without an express consent from the admin will be considered a Copyright infringement, and may trigger a legal action.

Weighing Scale Circuit Using Load Cell and Arduino

Last Updated on March 20, 2018 by Swag Leave a Comment

Weighing Scale Circuit Using Load Cell and Arduino

In this post we are going to learn about strain gauge based load cell. We will be exploring what Strain Gauge is, what Load Cell is, temperature effect on strain gauge, temperature compensation with Wheatstone bridge and Load cell amplifier HX711, and finally we will learn how to build an Arduino based weighing scale machine Read More

Filed Under: Arduino Circuits, ECE/EEE Final year projects

Solid State Contactor Circuit using Triacs and SCRs

Last Updated on March 10, 2018 by Swag 6 Comments

Solid State Contactor Circuit using Triacs and SCRs

In this article we learn how to design and build a solid state contactor circuit using triacs for operating heavy duty loads like submersible borewell pump motors with high reliability, and without any concerns about wear and tear issue or long term degradation issues of the contactor unit. What is a Contactor A contactor is Read More

Filed Under: Industrial, Triac Control

Automatic PIR based Solar Home Lighting Circuit

Last Updated on February 23, 2018 by Swag Leave a Comment

Automatic PIR based Solar Home Lighting Circuit

The post explains a simple circuit using PIR, LDR for making an automatic solar LED lamp which can be used for illuminating your home automatically at sunset, and only in the presence of a human member in the premise. By SS Kopparthy Introduction Here, in this article, a simple yet useful and improved version of the Read More

Filed Under: PIR Circuits, Solar Projects

Simple Milliohm Tester Circuit

Last Updated on February 23, 2018 by Swag Leave a Comment

Simple Milliohm Tester Circuit

I wanted a milliohm tester circuit that could be used to measure resistance on printed circuit boards to track down shorted components. I looked at several designs and combined several ideas into this project. By Henry Bowman Circuit Description Referring to the schematic, the milliohm tester is powered by two 9 volt dry cells. The Read More

Filed Under: Meters and Testers

Using Microwave Oven Parts to build a Soldering Iron Heat Controller

Last Updated on February 23, 2018 by Swag Leave a Comment

Using Microwave Oven Parts to build a Soldering Iron Heat Controller

In this post we learn how to scavenge discarded microwave oven parts for making a useful soldering iron heat controller circuit which can then be used for maintaining controlled heat over a connected soldering iron tip ensuring safe soldering operations, that may be quite crucial and handy if you are working with SMD parts. By Read More

Filed Under: Temperature Controller

Simple Transformer Winding Tester Circuit

Last Updated on February 23, 2018 by Swag 4 Comments

Simple Transformer Winding Tester Circuit

This test set is primarily designed to test step-down, step-up transformers, for open and shorted windings. It can determine if the device under test has a low resistance to ac current. It can also measure the dc current resistance in ohms. By Henry Bowman Introduction The test set uses a 16 VAC, 60hz signal to Read More

Filed Under: Meters and Testers

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Swagatam is an ardent electronic researcher, inventor, schematic/PCB designer, manufacturer, and an avid publisher. He is the founder of https://homemade-circuits.com/where visitors get the opportunity to read many of his innovative electronic circuit ideas, and also solve crucial circuit related problems through comment discussion.
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