DRV8825 Stepper Motor DriverApplicable for : Stepper motor drive applications. Build a 3D printer, CNC, engraving machine and ... refer to the back of the Arduino code, direct drive motor The advantages compare to 4988 : 1, the maximum current of ... driving under 8.2 V ~ 45 V 2.5 A stepper motor; 2, only simple step by step and direction control interface ...