AIY Voice Bonnet
The AIY Voice Bonnet comes with the AIY Voice Kit V2 by Google—a do-it-yourself intelligent speaker. The Voice Bonnet connects to your Raspberry Pi to create a natural language processor that can respond to your voice and connect to the Google Assistant.
The bonnet includes hardware to facilitate audio capture and playback, stereo speaker terminals, a headphone jack, an 8-pin button connector, UART breakout pins, and 4 unique GPIO pins called
Note: If you have the AIY Voice Kit V1, instead see the Voice Hat, which is the full-size HAT version of this board.