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Today I'm doing a USB cable test.
I have quite a few to go through

ahh, one of those famous three-wire USB cables.
GND, VBUS, and D+ are connected, D- isn't. I'm sure that'll work fine

also this tester can tell if a USB-C cable is inserted upside down or not.
I kinda hate having this ability

also I'm using this device in the CR2032-powered 3v configuration, right?

I own at least one cable that works at 5v but doesn't at 3.3v... because it has some smarts in it, and they don't run at 3.3v

VeNT

@foone nice, the old fire wire. Somewhere someone's found an old camcorder that needs that cable.