grbl-servo can be used on Arduino to control an X-Y pen plotter, where the pen is operated by a small servo motor such as an SG90 micro servo. Grbl is a no-compromise, high performance, low cost ...

I delete the libraries that are needed by the spindle and coolant, and I comment all the related code in the other files so you can not use them with this light version, but the size of the sketch in ...