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Uploading  Grbl 9i on the E3 CNC router

This is a simplified instruction to help upload Grbl 9i on the E3 CNC router. We recommend you clear the EEPROM form the controller before you proceed. The instructions for this can be found on our blog here. Once the EEPROM is clear, please follow the steps below:

  1. Download Xloader
  2. Download grbl hex file Grbl 9i
  3. Unzip Xloader to your desktop
  4. Put Grbl hex file in the Xloader directory
  5. Open Xloader    

Uploading  Grbl 9i on the E3 CNC router

I recommend the Universal Gcode Sender 1.0.9. for this version of Grbl.