Hi all.
Yet another DIY unipolar driver by VincenzoV from Italy.
http://www.vincenzov.net/eng/design/unipolar.htm
Comments are very welcome.
I am looking at the schematic and cannot dig out if it uses pulse/dir or ... ?
Konstantin.
Edit:
If you browse the Vincenzo website you are going to find more circuits to drive steppers, like http://www.vincenzov.net/eng/design/microstep.htm. And if you know italian then it would be easier