To connect to a bluetooth device
The trust command makes it auto-connect on boot
1. Enter Bluetooth control
bluetoothctl
2. Now, typing inside bluetoothctl:
power on agent on default-agent scan on
3. Wait for your device to appear, note its MAC address (XX:XX:XX:XX:XX:XX)
Then:
pair XX:XX:XX:XX:XX:XX trust XX:XX:XX:XX:XX:XX connect XX:XX:XX:XX:XX:XX
4. Exit
scan off exit