New Original 3 Axles Stepper Motor Driver for CNC Engraving Machine

When the motor rotor turns to the position where the hall-sensor senses another set of signals, the control unit turns on the next set of power transistors again, so that the circulating motor can continue to turn in the same direction until the control unit decides to stop the motor rotor and turn off the power transistors (or only turn on the lower arm power transistors); If the motor rotor is reversed, the power transistor turns on in reverse order.