How To Setup Bluetooth

For desktop systems you can setup Bluetooth via the GUI easily. In this guide, we’ll just talk about how to setup Bluetooth via the command line. For Ubuntu/Debian servers we can use bluez & bluetoothctl to setup Bluetooth.

Enable Bluetooth

$ sudo hciconfig hci0 up

Launch bluetoothctl and Setup

$ sudo bluetoothctl
[NEW] Controller 43:54:A2:00:1F:AC Khadas [default]
Agent registered
[bluetooth]#

Setup:

[bluetooth]# agent on
[bluetooth]# default-agent
[bluetooth]# power on
[bluetooth]# discoverable on
[bluetooth]# pairable on
[bluetooth]# scan on

Scan for Bluetooth Peripherals

[bluetooth]# scan on
Discovery started
[CHG] Controller 43:54:A2:00:1F:AC Discovering: yes
[NEW] Device 46:04:25:5F:1E:8D 46-04-25-5F-1E-8D
[NEW] Device 8C:EB:C6:E7:2E:33 Khadas

Show Devices

[bluetooth]# devices
Device 46:04:25:5F:1E:8D 46-04-25-5F-1E-8D
Device 8C:EB:C6:E7:2E:33 Khadas
Device 9C:FB:D5:0D:91:47 9C-FB-D5-0D-91-47
[NEW] Device AC:83:F3:DD:D4:E1 AC-83-F3-DD-D4-E1
[CHG] Device AC:83:F3:DD:D4:E1 Name: LibreELEC
[CHG] Device AC:83:F3:DD:D4:E1 Alias: LibreELEC

Connect to a Device

[bluetooth]# connect <device_addr>

Tip: device_addr is the address of the device you want to connect to.

Exit bluetoothctl

[bluetooth]# quit
Agent unregistered
[DEL] Controller 43:54:A2:00:1F:AC Khadas [default]
khadas@Khadas:~$