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Brief Introduction Homemade circuits was founded in the year 2011 by Swagatam, initially it was started in blogger.com and then migrated to wordpress. Prior to this the author used to work as a content writer in Brighthub. Homemade circuits was started with an aim to share and spread the knowledge of electronic concepts freely among … Read moreAbout Us

Use this Capacitor Tester to Find Leaky Capacitors Quickly

capacitor tester circuit

This simple capacitor tester is capable of testing electrolytic capacitors in the range of 1uf to 450uf. It can test large start and run capacitors as well as 1uf miniature capacitors rated at 10v. Once you understand the timing cycle, you can test down to 0.5uf and up to 650uf. By Henry Bowman How to … Read moreUse this Capacitor Tester to Find Leaky Capacitors Quickly

How to Make a Simple Milliohm Tester Circuit

milliohm meter 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 Operation Referring to the schematic, the milliohm tester is powered by two 9 volt dry cells. The … Read moreHow to Make a Simple Milliohm Tester Circuit

Using Microwave Oven Parts to build a Soldering Iron Heat Controller

Typical microwave wiring diagram

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 moreUsing Microwave Oven Parts to build a Soldering Iron Heat Controller

Simple MOSFET Tester and Sorter Circuit

This simple MOSFET tester does a quick job of testing both enhanced mode type N and P-channel mosfets. It checks for shorts between gate, drain and source. Designed By: Henry Bowman It also distinguishes between N and P-channel mosfets. Once the connections are correctly made to the mosfet, all testing is done without reversing connections. … Read moreSimple MOSFET Tester and Sorter Circuit

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