Simply plug an A4988 or a DRV8825 stepper motor driver into the socket, configure your micro-stepping settings with the dip switch selector and apply 9/12V motor power + 5V logic power to this little unit for a quick single motor setup. You can then connect your stepper motor to the output pins and control the module with the Enable, Step and Direction logic input pins. Very quick and easy solution to get a single stepper motor up and running. Arduino Compatible.