The laser in question is a 500 mW unit, driven by the Z axis on the Arduino CNC shield used to run the system.

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.

Arduino or electronic enthusiasts searching for a new project to keep them busy this weekend may be interested in the awesome Arduino controlled CNC foam cutting machine, constructed from a ...

There is already a CNC project for Arduino called Grbl but [Reza’s] approach uses the Arduino libraries in an effort to make the sketch more customizable for the average user.