Download this file, then open the Arduino IDE to install it.
This firmware file is provided by EastBaySource.com (EBS) "as is" and "with all faults." EBS makes no representations or warranties of any kind concerning the safety, suitability, inaccuracies, typographical errors of this file. There are inherent dangers in the use of any CNC software, and you are solely responsible for determining whether this file is compatible with your equipment and other software installed on your equipment. EBS will not be liable for any damages you may suffer in connection with using, modifying, or distributing this file. Free downloadable project files by EBS are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Based on a work at https://www.eastbaysource.info/index.php/downloads