An alcohol detector is a sensitive device which is able to detect the presence of alcohol molecules or any similar volatile inflammable element in the air and convert it into […]
Use this Capacitor Tester to Find Leaky Capacitors Quickly
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 […]
How to Make a 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 […]
Simple Transformer Winding Tester Circuit
This test set is primarily designed to test step-down, step-up transformers, for open and shorted winding. It can determine if the device under test has a low resistance to ac […]
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 […]
Simple Transistor Diode Tester Circuit
In this post we learn how to make a simple yet efficient transistor/diode tester circuit, that will not only test the quality of a BJT, but will also help to […]