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Base for OpAmp tester — image 1
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Base for OpAmp tester

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Just a base and a small mod. for one of these AliExpress OpAmp testers.

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Category
Accessories
License
Creative Commons — Attribution — Noncommercial — Share Alike

This OpAmp tester works very good for a quick test. I added the 12V DC jack on the side to make it more convenient for powering from a USB → 12V convertor.

 

If you ever want to use one of these, just  take note of the quad socket orientation. ;)