Testing the Motor Drivers (with the motors)

Wiring diagram with the RobotDigg NEMA 17 motors

MotorWiring2-002

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.

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It works!

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