Swagbadge test jig and software & OHMC wrap-up
summary
Parts fail at scale so every OLED gets pretested (OLED yield ~8.7% failure), Lowlands show ~2% failure, giving a combined pass of about 81.7% if unchecked, so hundreds (~300 badges tested) are validated. A repro-purpose pogo‑pin jig made from bare PCBs with 3D‑printed guides and a Lolin32 provides reliable contacts; a host‑side Python harness talks to MicroPython on both tester and DUT over serial to run automated pin, button, display and USB tests and report which specific checks fail.
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chapters (4)
- 0:00Start
- 1:29Failure Rates
- 5:05Build a Test Jig Using Bare Pcbs
- 15:40Does the Testing Stop after the First Test Failure or Does It Continue
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