03/03/2021

Background

I wanted to do more edge, less cloud, and I had seen the balena project and quite fancied the challenge to setup multiroom audio. To do this with a computer half the size of a post it label is quite something. Whilst I didn’t meet my original goal and had to compromise with the software I was still able to accomplish something useful.

Hardware

part	supplier
PiZeroWH (The extra H means headers solder on)	PiHut £13.50
JustBoom Digi DAC	justboom £24
JustBoom Red case	justboom £13.99
5v PSU	justboom £8.99
Optical Cable	justboom £4
micro SDHC card PNY 32gb	argos £5.99
Soundbar/hifi with optical input	Should have already

	£70.47 each vs Sonos port @ £399

Software Config

download v7 std and write to sdcard
Create/copy wpa supplicant file to root of sdcard boot volume
boot RPI from sdcard
- enter IP into browser and navigate
  - Squeezelite Setting >
    - playername = something useful
    - audio output = justboom digi
  - main >
    - resize fs = to whole sd card
    - bluetooth
      - install
      - enable rpi bluetooth
    - lms
      - install
mount nas volumes
open lms to control media

Other Stuff I tried and failed with

Balena.io Audio https://github.com/balenalabs/balena-sound
- Burns outs SD cards
- Took a very long time to deploy app, multiple hours
- Impressed with Fleet control
- Impressed with container use
- Impressed with ease of use
JustBoom player
- Works great for local player easy to setup.
- Was unable to get multiroom working