EEVblog #1020 - Is A $7 LCR / Component Tester Any Good?
15,211Is a $7 LCR Meter / Component Tester from Ebay any good?
Dave tests the M328 (LCR-T4) model component tester.
HUGE Forum Thread:
https://www.eevblog.com/forum/testgear/$20-lcr-esr-transistor-checker-project/
Forum summary videos here: https://www.youtube.com/watch?v=on1ZrWNt2Us
This group seems to maintain a version of the firmware:
https://www.mikrocontroller.net/articles/AVR_Transistortester
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