4 axis board gpio problem

[zuingo]

Hi to all,
i buied on aliexpress a 4 axis cnc board.
The problem is that i find some mismatch from shield wiring and hardware.
Can someone help me?
I need to know the correct gpio for spindle and spindle enable

Thanks in advance

[Rafasound]

tive o mesmo problema nao consigo ligar o laser com a gpio que veio nela.