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.

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 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.