Code reference
M30 vs M02: Program End and Rewind Explained
M30 ends the program and rewinds to the top; M02 just ends it on older controls. What each one resets, why the tape history matters, and which to use.
Lawrence Arya··10 min
Guides
Can You Put Two M-Codes on the Same Line of G-Code?
The one-M-per-block rule is the historical default; some controls allow more under conditions. Why the restriction exists, and the rule that is always safe.
Lawrence Arya··4 min
Guides
Custom M-Codes in LinuxCNC: The M100 to M199 Setup Guide
LinuxCNC reserves M100 to M199 for your own commands: executable scripts the control runs mid-program. The setup steps, the P and Q words, the gotchas.
Lawrence Arya··5 min
Guides
Live Tooling M-Codes for a Doosan Lathe: The Layered Answer
Live-tooling M-codes on Doosan lathes are builder-assigned: rotary-tool spindle on/off, C-axis engage, brakes. The universal layer, and what only your manual lists.
Lawrence Arya··5 min
Code reference
Star Sliding Head Lathe M-Codes List: Categories Over Numbers
Star sliding-head lathes carry rich builder M-code sets: guide bushing, sub spindle, wait codes, bar feed. The category map, and why your model's manual is the list.
Lawrence Arya··5 min
Code reference
CNC Wood Router M-Codes List (GRBL and Beyond)
A wood router's working M-codes are a short list: M3/M5 spindle, M0 pause, M2/M30 end, and the coolant pair M8/M9, usually rewired to dust collection or air.
Lawrence Arya··4 min