Summary This is a set of brackets to mount the standard mechanical end stops used on 3D printers to a TS 3040C-H80 Engraver, Router, my machine is running LinuxCNC. The extra wires will need to be added to the cable from the control box to the machine itself. on mine the opto isolators were already fitted to the PC interface board all I had to do was add the header pins. The opto's are there for X,Y,Z and the tool sensor