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  1. #2
    It's been a while since I used one of these but I seem to remember they needed a 5v supply for the charge pump or a jumper setting on the board to disable it. So check the board and there will be 3pins together if I remember correctly with 5V and EN and Gnd. Put a jumper across 5V & EN pins if there isn't one there already and it will disable the charge pump.
    If the board doesn't see 5V across these pins it will disable the outputs which is probably why it's not moving.

    Or you can just put 5v+ on the EN pin and it keeps the charge pump in place then if you lose 5v the outputs get shutdown. Your choice.
    Last edited by JAZZCNC; 16-04-2020 at 11:27 PM.

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