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What is GRBL?

"Grbl is a free, open source, high performance CNC milling controller written in optimized C that will run on a straight Arduino."

Dank GRBL Get this one by downloading the zip file and extracting its contents into a folder of your choosing COrrupted

Chuck GRBL at github

Uploading GRBL to Arduino Uno Using Windows

Get GRBL as a hex file here

Arduino Hex Uploader

Use the uploader to upload the GRBL hex file into the Arduino Uno

Uploading GRBL to Arduino Uno Using Linux


Ubuntu 12.04 - Success

Ubuntu 10.04 - Success

Software Requirements

RUBY - "sudo apt-get install ruby"

avrdude - "sudo apt-get install avrdude"


  • Navigate to the GRBL folder


  • Open "Makefile" in gedit
  • Edit the PROGRAMMER line as:

PROGRAMMER = -c stk500v1 -P /dev/ttyACM0 -b 115200


Flashing GRBL to the Arduino in Linux

  • Open Terminal and navigate to the GRBL folder (ex. by using the "ls" and "cd" commands)


  • In Terminal, type:

sudo make clean


  • In Terminal, type:

sudo make


  • Connect the Arduino Uno to the computer via USB cable
  • In Terminal, type:

sudo make flash

  • Disconnect the Arduino Uno