If the hot end thermistor connection goes open circuit, usually no damage occurs ... and hook-up to the main printer electronics with CAN Bus, you can do the whole moving interconnect thing ...

The CAN bus has become a defacto standard in modern cars. Just about everything electronic in a car these days talks over this bus, which makes it fertile ground for aspiring hackers.

The CAN Bus Controller with Message Filter is a full functional CAN controller module that supports the concept of mailboxes. It is compliant to the international CAN standard defined in ISO 11898-1.