Trigger audio on Sonos speakers from TapHome

This automation is used to play a wake-up audio over selected Sonoff speakers in the house when a light switch in TapHome is pressed.
This video focuses on a simple example of playing a predefined audio sample.
The integration is done in Node-Red that listens to a button press from TapHome and sends commands to Sonos speakers.
github.com/nygma2004/km/blob/...
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Chapters:
0:00 Intro
1:44 TapHome config
5:25 Setup Node-Red for Sonos
8:12 Integration flow
14:05 Outro