ok-google-pi-zero

Using the Google Assistant SDK on a Raspberry Pi Zero W.

Hardware

• Raspberry Pi Zero W
• Mini USB Microphone
• Mini External USB Stereo Speaker

A powered USB 2.0 hub is also helpful for powering the Pi and the peripherals. See this list of hubs that have been verified to work with Pis.

Setting up Google Assistant Service

Introduction to the Google Assistant Service is very comprehensive—start with this!

Issues

A collection of issues that may be encountered and how to resolve:

• Error when running python -m pip install --upgrade google-assistant-sdk[samples] when using zsh
  • See pip install error using zsh
• GRPC installation on Pi takes awhile
  • See Installing Python library on Raspbian
• Adjusting the playback volume
  • When using alsamixer, press F6 to select the USB speaker, then use the up / down arrow keys to set the playback volume to a desired level