What is “Abe box”? Did you mean Benbox? If so, that uses its own custom firmware, not GRBL, so you’d likely need to flash the board with GRBL firmware first.
This might help: Arduino Based cheap laser engraver help please - #13 by Grumpy_Old_Man
What is “Abe box”? Did you mean Benbox? If so, that uses its own custom firmware, not GRBL, so you’d likely need to flash the board with GRBL firmware first.
This might help: Arduino Based cheap laser engraver help please - #13 by Grumpy_Old_Man