CNC mills need a touch sensor to measure e.g. the center of a workpiece. This repository hold data on how to build such a sensor and the code to operate it with a WLAN based basestation.

A giant HS2 boring machine has broken through to complete the first section of a 3.5-mile tunnel on the route's approach into Birmingham. The 125-metre long, 1,600-tonne machine, named Mary Ann by the ...