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Coils in stepper motors have the current flowing either way at differnt times. Usually done by switching each end between +v and 0v. Usually with dedicated  chip but you could do it straight fom these outputs.
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Coils in stepper motors have the current flowing either way at differnt times. Usually done by switching each end between +v and 0v. Usually with dedicated  chip but you could do it straight fom these outputs.

Yea, several years ago I bought a very small stepper that could be driven directly from output pins, it worked and was cute and all, but I never really found a useful project for it and now I would really have to look in the parts bins to even find it again.

Lefty
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