... DB25 Breakout Board adapter Kit CNC 3 Axis Stepper motor Driver ROUTER,MILL , 65. 0A + CNC DB25 Breakout Board adapter ... current 0=full currrentCNC DB25 Breakout Board adapter stepper motor driver IIIBuilt in DB25 male connector. DB25 Output Pin:P1,P2 ... Optical-coupler. High quality with Surface-mount Tech. sw_3AXIS_5A_001 CNC 3 Axis Stepper motor Driver ROUTER,MILL , 5A + CNC DB25 Breakout Board ...