Thanks Matevz, I am trying to make a test circuit to control two stepper motors, one of the stepper motor will run from about 100RPM to 400RPM, the RPM input is just analog variable resistor. The second motor will triggered from first motor at decided degree at high RPM, i.e. 2 x first motor RPM, which might require acceleration and deceleration. However, if you can show me the code of controlling stepper motors will be very helpful, I have both 56U and 57E. Thanks very much!
James