Caution : On 'Eleksmaker A3' pin D11 is shared between Laser and pen. Don't switch toolhead with power on. Power off the machine unplug the toolhead Power on and connect the machine Console show you ...
For building the binary image, instruction how to write the image to a board or default board pinout see the wiki page. This is fork of https://github.com/usbcnc/grbl ...