Grbl is a no-compromise, high performance, low cost alternative to parallel-port-based motion control for CNC milling. This version of Grbl runs on an Arduino with a 328p processor (Uno, Duemilanove, ...
These are very basic programs for the M5Stack GRBL module 13.2. To test these programs, you will need an M5Stack Fire (can also use Core, Grey, or Go) with GRBL module 13.2 attached and an M5Stack ...