* M303 - PID relay autotune S[temperature] sets the target temperature. (default target temperature = 150C)
* M303 - PID relay autotune S[temperature] sets the target temperature. (default target temperature = 150C)
* M304 - Set bed PID parameters P I and D
* M304 - Set bed PID parameters P I and D
* M331 - Save current position coordinates (all axes, for active extruder).
* M331 - Save current position coordinates (all axes, for active extruder). S<SLOT> - specifies memory slot # (0-based) to save into (default 0).
* S<SLOT> - specifies memory slot # (0-based) to save into (default 0).
* M332 - Apply/restore saved coordinates to the active extruder. X Y Z E - Value to add at stored coordinates. F<speed> - Set Feedrate. S<SLOT> - specifies memory slot # (0-based) to restore from (default 0).
* M332 - Apply/restore saved coordinates to the active extruder.
* X Y Z E - Value to add at stored coordinates.
* F<speed> - Set Feedrate.
* S<SLOT> - specifies memory slot # (0-based) to restore from (default 0).