Tuesday, November 3, 2009

Driving a stepper

So I managed to build a circuit to test-run the stepper motor. I used two Allegro A3953 IC-s to drive the two coils of the motor.

The motor is actually a 6-wire motor, ideally driven with a unipolar driver. But as I don't have that I just used halves of the coils and ran it as bipolar.

I got this motor off ebay. It's a 400-stepper, very small, cost me 8€ including shipping.

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