GRBLDuino Uno Shield V2 - Assembled

  • Model: GDUSV2_A
  • Shipping Weight: 0.25lbs
  • 4 Units in Stock
  • Manufactured by: Eccentric Workshop


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GRBLDuino Uno Shield V2 is the first user friendly GRBL v1.1 compatible 4 axis Arduino CNC controller shield.

Available in kit form, which requires soldering of standard through-hole components, or assembled and tested.


  • Fits Arduino Uno (not included)
  • Designed for Pololu DRV8825 stepper motor drivers (not included)
  • Works with power supplies up to 45 volts DC
  • Screw terminals for all machine control connections
  • Dual end stop terminals for each axis (X, Y, and Z)
  • High or low activation limit switches/end stops
  • Emergency stop, abort, hold, and resume connections
  • Spindle speed (PWM) and direction connections
  • Probe and coolant connections
  • 4 independent axis capability
  • Full microstepping control for each axis
  • Genuine Nichicon capacitors

To have a complete CNC machine, you also need:

  • 1 control computer (to send G code to GRBL)
  • 1 Arduino Uno running GRBL v1.1
  • 1 stepper motor driver per axis (pin compatible with Pololu DRV8825)
  • 1 stepper motor per axis
  • 1 stepper motor power supply (max 45v DC)
  • 1 spindle, pen, laser, drag knife
  • 1 CNC machine structure

Find more details including schematics, parts lists, and tutorials at the blog.

Colors may vary. Arduino not included. Stepper drivers not included.

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