GitHub - alsliahona/gcode-optimizer: A command-line tool that optimizes CNC Mill and Laser Engraver gcode generated from programs like MakerCAM - also optionally converts mill gcode to laser gcode
How to connect laser module to cnc sheild v3.0 · Issue #368 · arkypita/LaserGRBL · GitHub
WorkBee Laser Upgrade Setup Guide
Shapeoko 1 and 2 CNC Upgrade from J Tech Photonics, Inc.
Introduction to Marlin Commands & G Code - G104, G140, G109, G190, G106 - A Tutorial - YouTube