Quote Originally Posted by mactec54 View Post
Oh my (wedge)

You obvious have no understanding what peteeng was asking in his post. PWM has nothing to do with it,
Says who? Step and direction using 4 wire (rather than serial or other comms) is a PWM 50% duty and a logic binary signal. Show me one BOB that is using 4 wire step and dir that isn't using PWM.