... DB25 Breakout Board adapter Kit CNC 3 Axis Stepper motor Driver ROUTER,MILL , 5. 0A + CNC DB25 Breakout Board adapter KitPower Input ... dipulse compatible I/O Port Connection:AC,AConnect 20 to 60V DC power Supply B+, B- A+, A- Step+ (CP+), 5V ... =half current 0=full currrentCNC DB25 Breakout Board adapter stepper motor driver IIIBuilt in DB25 male connector. DB25 Output Pin:P1 ...