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Conductivity tester circuit diagrams
December 25, 2010
A simple way to see if a fuse has blown without removing it from its holder. [more]
November 15, 2010
A low resistance ( 0.25 - 4 ohm) continuity tester for checking soldered joints and connections. [more]
September 30, 2010
Having good contacts is important – not only in your daily life, but also in electronics. In contrast to social contacts, the reliability of electrical contacts can be checked quickly and easily. Various types of... [more]
circuit from:http://www.extremecircuits.net/2010/04/continuity-tester-circuit-diagram.html
September 27, 2010
Portable loads such as video cameras, halogen flood lights, electrical irons, hand drillers, grinders, and cutters are powered by connecting long 2- or 3-core cables to the mains plug. Due to prolonged usage, the power... [more]
circuit from:http://www.extremecircuits.net/2010/05/invisible-broken-wire-detector.html
September 27, 2010
This circuit is suitable in every situation where over-current protection is required. Here we give an example from the model train world. Every seasoned model train enthusiast knows that there is nothing worse than having... [more]
circuit from:http://www.extremecircuits.net/2010/05/simple-short-circuit-detection.html
June 23, 2010
A multi wire cable tester with a separate LED for each wire. Will show open circuits, short circuits, reversals, earth faults, continuity and all with four IC's. Designed initially for my intercom, but can be... [more]
June 22, 2010
This design offers a way to trace resistance in the milliohm range, right to a short between bridged traces beneath a solder mask. [more]
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