Testing the Motor Drivers (with the motors)

Wiring diagram with the RobotDigg NEMA 17 motors


In order to reverse the rotation of the stepper motor one needs to swap the polarity of ONE of the coils as explained here [link] and shown in the following two diagrams.

MotorWiring4 MotorWiring4-001

Just in case something might be wired incorrectly, I first tested one of the four driver boards. I also used a laptop power supply instead of the Delta supply I purchased because it is more compact and more convenient for testing.


It works!




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