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CNC USB controller Mk3/4 (4 axis)

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  • CNC USB controller Mk3/4 (4 axis)
  • CNC USB controller Mk3/4 (4 axis)
  • CNC USB controller Mk3/4 (4 axis)
  • CNC USB controller Mk3/4 (4 axis)
  • CNC USB controller Mk3/4 (4 axis)
  • CNC USB controller Mk3/4 (4 axis)


USB to CNC is now a reality! CNC motion controller is a link between personal computer and drivers for stepper motors. It uses a USB port which is available on all modern computers and laptops. This is a complete (software/hardware) solution and it does NOT require any additional software (Mach3 is NOT needed). USB CNC controller is compatible with most step/dir drivers. It has the same pinout as popular PICStep and PMinMO drivers. It can be used as direct replacement for many parallel port break-out boards.

Please note: This is a USB breakout board that allows you to control stepper drivers using special (included) software and Stepper Motor Drivers will be needed to run the motors.

Product Features

  • Software License Included
  • 4 axes controller for stepper and servo motors
  • Jogging keyboard support with speed potentiometer, shift, step and spindle sync feature
  • Spindle encoder and index signal support for spindle synchronization
  • SD card support for running g-code without computer


What is Included

  • (1) CNC USB controller Mk3/4 (4 axis)


Product Specifications

  • USB connection
  • 110 kHz maximum step frequency
  • 25 us pulse width, 50% duty cycle at higher frequencies
  • 3 digital outputs on board
  • 3 PWM capable outputs with selectable frequency (10Hz to 500kHz)
  • 3 outputs with support for RC servo motors
  • 4 limit switches
  • 4 digital inputs on board, filtered and protected


Assembly Build / Support / Documentation

You can connect the CNC USB controller Mk3/4 to the DQ542MA Stepper Motor Driver.  Installation instructions can be found here.


How to Activate Your License

- Download and install latest software

- Activate software using your license - open “License activation” dialog and paste your registration key.

Software Download Support:


After you receive license code from us, in PlanetCNC TNG software click Help/License Management/My Licenses

User Manual:




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