I have been running a stepper for the past year with no problems but now it has stopped moving. It has holding power at power on but when I tell it to move it doesn't do anything. I have double checked that I have continuity from the pin on the controller to the pin on the driver, I have tried a different motor and a different driver to see if that was the problem but still the same no movement.
I tried using the AccelStepper constant speed sketch from the IDE and it works for other PWM pins but the pins I have this motor on (pins 12,13)don't seem to be working anymore. I moved the step and dir wires to 2 other pins(5,6) and the motor moved as coded. I'm kind of out of ideas for what to check next or if pins 12 & 13 are just dead and I need to replace the controller.