... stepper motor simultaneously; With 5-axis expansion Support the choice of four segments:1,1 / 2,1 / 4,1 / 16 CNC 4 Axis ... the mach3 to control spindle start and stop;4, Semi-flow control ,when the motor stop, current is reduced to the minimum ... fans;6, With 4-way 0.8-3.5A (peak) adjustable current, rated output two-phase bipolar stepper motor driver;7, Interface ...