Sergey Dryga wrote:
> Peter Todd writes:
>
> >  Anyone know of a good reference
> > to learn more about this stuff? All my google searches hasn't turned up
> > anything more advanced than "chopper drives control current by turning
> > the voltage on and off rapidly"
>
> I found these useful:
> http://www.cs.uiowa.edu/~jones/step/highlevel.html
> http://users.pandora.be/educypedia/electronics/motorstep.htm


Microchip AN822
Stepper Motor Microstepping with PIC18C452
http://ww1.microchip.com/downloads/en/AppNotes/00822a.pdf

Mike

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