Quote Originally Posted by johnsattuk View Post
Not sure what you would check with a scope, if driving from one output, each driver would be getting the same signal at the same time, where could any cumulation of errors arise.

As most on here, me included, are only talking about driving two steppers for one axis, much of your comments are superflous
John we will have to agree to disagree then otherwise we'll just go round in circles.!