That autoleveler turns your vbit into a probe by conducting between the tool and the copper surface of the board like a zero set plate works. It uses g31 codes for probing which is standard gcode.this command is not implemented In marlin firmware so you’ll need either mach3 or Linuxcnc control software. I think grbl implemented g31 code so it MIGHT work. If you never plan to do any3d printing with your machine then I’d strongly recommend moving to mach3 or Linuxcnc .definitely better support for pcb milling and drilling with a full gcode command set.
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