micromill
3-Axis CNC firmware for 28BYJ steppers with ULN2003 driver running on AtMega328 like Arduino Nano, emulating the grbl communication protocol.
See Appendix A for supported G-commands.
Supported sender is Universal G-Code Sender from Will Winder, Classic Version, Nightly build 04. September 2016 or later.
Developed in Arduino/Genduino 1.6.11
This firmware uses TimerOne legacy library