Turn your old speakers or Hi-Fi into Bluetooth, Airplay and Spotify receivers with a Raspberry Pi and this step-by-step guide
Build a multi-room audio system with Raspberry Pi — The MagPi magazine
Raspberry Pi RPI-CLONE Issues - Scargill's Tech Blog
How to Send Voice Notifications to Sonos Speakers
Sonos + raspberry pi + domotocz | Sonos Community
Unboxing and setting up the Raspberry Pi
Ethics Whiplash As Sonos Tries Every Possible Wrong Way To Handle IoT Right | Hackaday
OctoPrint takes FOREVER to connect through a browser. I can never access it through the address on my Wifi and it just doesn't connect in forever. Here's the raspberry pi I use. :