An interesting Arduino project has been published to the Instructables website showing how an Arduino CNC shield and controller has been used to create an awesome 3 axis Arduino CNC plotter.

The Pi AlaMode board is able to provide voltage level conversion between the CNC shield and the pi, and also has the nice bonus of a battery-backed real time clock. With some proper connectors ...

On the electronic side, he replaced the controller that came with the kit with an STM32F469 discovery board and an Arduino CNC shield. He has a G-code controller from a previous project, ...