GRBLDuino Mega Integrated V1 CNC Controller

  • Model: GDMIV1_A
  • Shipping Weight: 0.3125lbs
  • 9 Units in Stock
  • Manufactured by: Eccentric Workshop


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GRBLDuino Mega Integrated V1 is the first user friendly GRBL v1.1 compatible all in one CNC controller.

Only available assembled and tested at this time.


  • Onboard ATMega2560 microcontroller - same as Arduino Mega - pre-programmed with GRBL Mega v1.1
  • Smaller than an Arduino Mega - 3.5" x 2.3" (89 x 58 cm)
  • CP2102 USB to UART interface - shows up as a USB serial port and works with Arduino IDE
  • 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 X, Y, and Z axes
  • High or low activation limit switches/end stops
  • Emergency stop, abort, door safety, hold, and resume connections
  • Spindle speed (PWM), enable, and direction connections
  • Flood and mist coolant connections
  • Probe connection
  • 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 Mega running GRBL v1.1 NO LONGER NEEDED!
  • 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 or required. Stepper drivers not included.

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