About the size of a hockey puck—which no doubt inspired its name—PUC is designed to unobtrusively sit near a MIDI instrument such as a keyboard, to which it connects using a standard 5-pin MIDI DIN connector. Power is supplied by two AA batteries for maximum portability, or you can supply your own micro-USB power source to avoid having to deal with batteries. The hardware itself is extremely straightforward—a single button on the…
