We have a group of hams that homebrew that meets once a month for breakfast. A while back I noticed the and thought it would be a good way to get some of the guys started with Microchip PICs.
I started out breadboarding the circuit, but they will eventually go into nice cases we bought from Kelvin.
Here it is in logic probe mode, reading a logic 1 (High):
And here it is reading a voltage (just an output from a pot):