Check microstep jumper settings. Ensure the "EN" pin is not forced low. Increase Vref slightly using the potentiometer.
Always wire a physical emergency stop button to the "Abort" pins. annoy tools cnc board manual pdf
If you absolutely cannot find the manual for your generic "Annoy Tools" board: Check microstep jumper settings
) . You can view these settings by typing $$ into your software's command line. Default (Typical) X-axis steps/mm $101 Y-axis steps/mm $102 Z-axis steps/mm $32 Laser Mode 0 (Off) / 1 (On) 4. Offline Controller Operation annoy tools cnc board manual pdf
Features three integrated A4988 drivers (sometimes replaceable with DRV8825) for four-wire stepper motors.