If you want to do it without arduino and programming at all, you'd need a "multivibrator chip" like NE555 to endlessly produce step signals.
Then add a switch to set the drivers dir pin HIGH or LOW and a pushbutton to activate the enable pin.
I love simple stuff :D
-Olaf
Then add a switch to set the drivers dir pin HIGH or LOW and a pushbutton to activate the enable pin.
I love simple stuff :D
-Olaf