Pimoroni explorer hat pro for raspberry pi a b and pi 2 pimoroni explorer hat pro the explorer hat pro is a prototyping board that is compatible with the raspberry pi a b and pi 2 the board features 4x buffered 5v tolerant inputs 4x powered 5v outputs 4x capacitive touch pads 4x capacitive crocodile clip pads 4x coloured leds 4x analog inputs 2x h bridge motor drivers mini breadboard pimoroni explorer hat pro for raspberry pi a b and pi 2