USB Controller Board -Stepper Motor Controller Driver Highlights Generic Brand Stepper Motor Controller Driver Description: This is the pulse module, can supply 2.5KHZ-68KHZ frequency, power signal to the stepper driver If you want to control the stepper motor, you still need to use a motor driver. If you want to change the frequency range, you can change C46 Motor ability reverse and rotation, stop and run can be controller by keys. Motor speed can be controlled by adjusting the potentiometer Specification: Power supply: DC15-80V or DC 12V High frequency: 5.8KHZ-127KHZ Intermediate frequency: 590HZ-15.8KHZ Low frequency: 82HZ-2.3KHZ Frequency interface measurement: PUL, GND Package includes: 1 X Pulse Signal Generator