[mark] had an interesting idea when looking at all the wiring of a typical 3D printer; Use CAN Bus. There are a lot of wires going to the extruder assembly, and with most designs this thing is flying ...

First off, let's establish the basics of how a CAN-Bus network operates. What CAN-Bus does is turn analog, switched voltage signals and sweeps into digital code. Let's take the speedometer, for ...