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Shameless plug: I made a version of this you can order yourself from JLCPCB (with some bonus connectors.)

https://alvarop.com/2023/07/usb-cable-tester

Github project: https://github.com/alvarop/usb_c_cable_tester

I think your tester would actually break that active Apple cable (because an active cable essentially behaves as a "device" since it has active circuitry on the high-speed lines.)

That is freaking awesome.

Feels like every nerd should have one.

Would be cool to have a version where it measures the resistance of the power wires too

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