Paulo,

Some weeks ago I posted the routines driving the two stepper
motors of my rover in my web page : www.ilari.org
They allow speed control, adv/rev motion, accel/brake ramps,
program motion,....

You can build an standalone driving unit (with a 16F84) or
simply use the driving routines. These have been tested
(however, as you know, you can prove that a program does not
work, but it is VERY difficult to prove that it is correct :-( )

Hope it helps

Joan

>  -----Mensaje original-----
>  De: pic microcontroller discussion list
>  [mailto:PICLIST@MITVMA.MIT.EDU]En nombre de Paulo de Almeida
>  Enviado el: sabado, 30 de junio de 2001 2:30
>  Para: PICLIST@MITVMA.MIT.EDU
>  Asunto: Stepper control
>
>
>  Hi,
>
>  I'm looking for some examples of unipolar stepper motor controllers  ,
>  microstepping would by a bonus. If you could point my to some sites I
>  would appreciate.
>
>
>  Thanks
>
>  P.A.
>  almtree@astropor.com
>
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