installation

(some details missing)

Buy a Raspberry Pi 4, and a sound card board with input. We are using the HifiBerry DAC+ ADC Pro
Setup a raspberry pi with raspian or Raspberry Pi OS
Install the hifiberry driver if needed (check instructions on hifiberry site)
Clone this repo to /home/pi/apps/studiox-streamer
Run npm install and then npm run build
Copy studiox-streamer.service to /etc/systemd/system
Install darkice: apt install darkice
Copy ./etc-template to ./etc and adjust ./etc/darkice.cfg with your icecast server address/port/password.
Enable and start the service: run systemctl daemon-reload and systemctl enable studiox-streamer and systemctl start studiox-streamer
Setup the pi such that after boots a browser is started in full-screen mode and opens http://localhost:3030. There's different ways how to do this. Here's a tutorial: https://www.raspberrypi.com/tutorials/how-to-use-a-raspberry-pi-in-kiosk-mode/