pinout.vvzero.com/src/en-GB/overlay/piano-hat.md

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2015-10-17 16:22:59 +08:00
<!--
---
name: Piano HAT
manufacturer: Pimoroni
url: https://github.com/pimoroni/piano-hat
description: A tiny Pi piano with 16 touch-sensitive buttons
pincount: 40
i2c:
'0x28':
name: Cap Touch A
device: cap1188
datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/CAP1188%20.pdf
'0x2b':
name: Cap Touch B
device: cap1188
datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/CAP1188%20.pdf
pin:
3:
mode: i2c
5:
mode: i2c
7:
name: Alert A
mode: input
11:
name: Reset A
mode: output
13:
name: Alert B
mode: input
15:
name: Reset B
mode: output
-->
#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!