I like to use inductive limit switches on my K8200.
Have some one experience with this subject?
I have bought this limit switch, and used it for auto bed leveling.
http://www.ebay.nl/itm/Capacitance-Proximity-Sensor-LJC18A3-B-Z-AX-3-Wires-Normally-Closed-/271492707381?pt=LH_DefaultDomain_3&hash=item3f3639f435
Hi, I know it’s not quite what you mean, but this video will give you some idear of whats involoved.
https://www.youtube.com/watch?v=EcGFLwj0pnA
Thanks for the information, i think this is the good one