Not a 16c84 but another pic
Stepper  Motor Autonomous Control Kit
3 x 4 phase unipolair controled by pic using rs232
http://www.doc.ic.ac.uk/~ih/teaching/smack/

hope this helps
greeting's from holland
                       luberth
http://home.wxs.nl/~luberth



RCGipson wrote:
>
> could someone send me a copy of the email with a link to a stepper motor
> controller using the 16c84.  i want to take a look at it.  it seems that
> i got creative and lost some of the listings.
>
> thanks.
>
> roger