Electronics Make your own transistor tester

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A homemade transistor tester has been successfully used for 28 years without issues, constructed from leftover materials. The tester is particularly beneficial for evaluating a large number of transistors with uncertain operational status. Users express interest in obtaining the schematic for the device. The longevity and practicality of the tester highlight its effectiveness in electronics maintenance. Sharing the schematic could enhance its utility for others facing similar challenges.
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This tester has been in use for 28 years no problem yet. Made out of left overs.

 

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Cool, do you have the schematic?
 
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Really useful when you have a couple thousand transistors with unclear operation status
 

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