You may project your own driver if you're not interested in microsteps,
It's quite easy with fet tranzistors, you need 4 P channel, 4 N channel
and some drivers like 407/406.
Vasile

On Mon, 26 Feb 2001, Keith Burzinski wrote:

> You might want to consider using a 2916... it's quite the driver
> chip, and easy to use.  :)
>
> Search for it at www.allegromicro.com
>
> Good luck,
> --
> ~Keith
> tsk3000@techie.com
> http://pages.prodigy.net/tsk3000/
> ICQ UIN:  15590177
> AOL Instant Messenger:  tsk3000a
>
>
>
> > -----Original Message-----
> > From: pic microcontroller discussion list
> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Frej
> > Sent: Monday, February 26, 2001 1:45 AM
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: [OT]: How would I drive a unipolar stepper motor?
> >
> >
> > How would I drive a bipolar stepper motor?
> > I ripped it from an old HDD....
> >
> > Any ideas?
> >
> >
> > TIA,
> > Frej Kling
> >
> > --
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