... DB25 Breakout Board adapter Kit CNC 3 Axis Stepper motor Driver ROUTER,MILL , 65. 0A + CNC DB25 Breakout ... I/O Port Connection:AC,AConnect 12 to 36V DC power Supply B+, B- A+, A- Step+ (CP+), ... 0=full currrentCNC DB25 Breakout Board adapter stepper motor driver IIIBuilt in DB25 male connector. DB25 Output Pin ... P11,P12,P13,P15. DB25 GND Pin: P18-P25. Power supply: +5V DC. Built in C-class Optical-coupler ...