Indymill CNC with GRBL Mega256 RAMPS1.4 shield and LCD - JANTEC.NL
How to DIY Arduino Mega2560 CNC 3/4 axis hardware and software setup, easy - YouTube
MILL CONTROLLER ARDUINO MEGA 2560 - YouTube
Mega 2560 R3 Clone | SPOOL3D Canada
Arduino CNC Mill Control Using ODrive Brushless DC Motors - Hackster.io
Estlcam with experimental Arduino Mega2560 / Ramps 1.4 support - Software / Firmware - V1 Engineering Forum
GitHub - perivar/grblForRAMPS: RAMPS 1.4 fork of Grbl. An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino