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Date:	Tue, 21 Apr 2015 17:24:56 -0400
Message-ID:	<CAOFvGD6kprza6wEaw5yMqAFppouDLCe=nxVYxoRwVs5NxS63iQ@mail.gmail.com>
Subject:	Re: [geda-user] Stepper driver issues
From:	Jason White <whitewaterssoftwareinfo AT gmail DOT com>
To:	geda-user AT delorie DOT com
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On Tue, Apr 21, 2015 at 2:45 PM, Rob Butts <r DOT butts2 AT gmail DOT com> wrote:
> Are you able to make the stepper motor spin by manually applying
> voltage to each coil to step through the phases?
>
> I didn't think of this way but couldn't I just create my own driver with
> transistors and turn them on and off via the micro?

Yes you can.

 * For a bipolar stepper you would need two H bridges (one for each coil).
 * For a unipolar stepper you would need 4 drive transistors (one for
each coil).

Good luck,
Jason White

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