Originally Posted by
joeavaerage
Hi,
a plain stepper is incompatible with a PID control.
PID control requires feedback from the controlled device....and a plain stepper has no feedback. If you attached an encoder then you will be closer....but
a stepper requires Step/Direction type inputs whereas servos for which PID controllers are ideally suited, are analogue.
An Arduino will make a perfectly fine Step/Direction controller which will turn the stepper backwards and forwards no trouble...but OPEN LOOP.
If you really want CLOSED LOOP that can be done but is way more complicated.
Craig