Yesterday I nearly burned my orange pi zero because of the faulty LAN cable, after that, everything I plugged into the expansion board couldn't be detected anymore by lsusb or dmesg, it works fine though if I plug in my thumb drive / usb wifi into the usb port on the main board (Next to the LAN port). How do I know for sure that my expansion board is broken and not the pin headers in the main board ? I'm not an electronic guy I don't know anything about soldering and stuff.
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