... refer to the back of the Arduino code, direct drive motor The advantages compare to 4988 : 1, the maximum current of ... .2 V ~ 45 V 2.5 A stepper motor; 2, only simple step by step and direction control interface; 3, six different stepping ... can adjust the maximum current output, thereby gaining a higher step rate; 5, automatic current attenuation pattern detection/choice; 6, overheating ...