Stepper Motor Drive Control Board Forword Reverse Controller Speed Regulator

P-7: Power forward turn X Angle stop, delay N seconds; Automatic reversal to X Angle stop; After N seconds, turn forward again and stop at X Angle. An infinite loop. 2: After the function is set, press the setting key to enter the pulse value setting; Press "Add/subtract" to set the pulse value (Note: 1600 pulses of the stepper motor with 1.8 degree step Angle are one circle).

eBay