Build your own multi-room audio system with Bluetooth, Airplay, and Spotify using Raspberry Pis

Last updated: 6th October 2020 Turn your spare Raspberry Pis and speakers into a fleet of synchronized multi-room audio players. You can start from scratch or upgrade an existing balenaSound device to add the multi-room functionality for free! Before you start Updates We’re continually updating this post along with the project code, you can find a log of all our updates below. 6th October 202…