# Setup 

```sh
aplay -l
sudo nano /etc/asound.conf
```

```
defaults.pcm.card 2
defaults.ctl.card 2
```

```sh
# Start GUI
alsamixer
# CLI
amixer sset Master 50%
amixer sset Master 10%+
amixer sset Master 10%-
```


apt install -y libpaho-mqttpp-dev