battery clip transistor tester

when salvaging transistors it is hard to test if they function. no longer! with this simple battery clip transistor tester you can easily determine whether it works or not. Components components:9v battery clip1k Ω resistor LED female header pins*perf-board wire*you could also use a servo lead. ...

By: louisc2



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from Instructables: exploring - technology http://ift.tt/1Cm2RCN