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[JAZZCNC]

correction to previous post it is NOT:
2 Dir + X
3 Dir - X
4 Dir + Y
5 Dir - Y
6 Dir + Z
7 Dir - Z

it IS:
2 PUL - X
3 Dir - X
4 PUL - Y
5 Dir - Y
6 Pul - Z
7 Dir - Z

Ok well those pics are about much use as fart in space suit but I think I get the problem.!

The BOB will have a 5V output supply. Take a wire from this to each of the Step & Dir (+) on the drives. This should get you working.