Touch Probe

This thing is heavily inspired (and partly copied) from http://www.brusselsprout.org/CNC/1P-Probe/ further inspired from http://hydraraptor.blogspot.dk/search?updated-max=2007-06-03T18:25:00%2B01:00&max-results=3&reverse-paginate=true and this http://www.machsupport.com/forum/index.php/topic,5004.0.html.

So basically we (Jakob and I) remixed it - to fit our printer.

6/6-2018 updated with a 3 wire configuration and ATTINY85 - PCB and arduino code now added.

This is a two-part housing with internal wires and a small PCB.

Print the two parts and assembly:
1) Remove blobs and kinks from the prints (nicefy your print).
2) Push a four-wire flat-cable into the housing.
3) Split into four strands and knot one of the edge wires.
4) Fiddel the three wires up the internal channels and out the top.
5) Take the last (with the knot) through a spring
6) Screw the spring onto the rest of the wires. So the wires stick out of the spring close to the top (not to close as the spring will