#Piano HAT Piano HAT has 16 touch-sensitive buttons. 13 of these are a single Piano octave, the rest give you octave up/down and instrument select functionality. It uses two Microchip CAP1188 chips with the i2c addresses 0x28 and 0x2b. You can use the one-line product installer to get Piano HAT set up and ready to go, just: ```bash curl get.pimoroni.com/pianohat | bash ``` And follow the instructions!