Monport has supplied inexpensive engraving equipment and interesting engraving arts, user training understandable operation video. Cnc Controller Firmware
This grbl controller board can upgrade your 40w CO2 laser engraver to be compatible with lightburn sofware. This grbl controller arduino belongs to cnc makers.
Visit Link - https://monportlaser.com/collections/desktop-laser-engraver/products/grbl-control-board
