This post explains how to connect a Bluetooth keyboard to raspberry pi.
apt-get install bluez bluez-utils bluez-compat bluez-hcidump
Bluez installation
First of all install the Linux’s Bluez Bluetooth stack. In raspberry this is as easy as type :apt-get install bluez bluez-utils bluez-compat bluez-hcidump
Bluetooth daemon
Modify the /etc/default/bluetooth file changing:
BLUETOOTH_ENABLED=1
HID2HCI_ENABLED=1
HID2HCI_UNDO=0
Restart bluetooth:
#> invoke-rc.d bluetooth restart
Scan for the available devices
Scan for the available devices. Make sure your keyboard is in discoverable mode (push the button) before running the scan command. This provides with the device ID, similar to the MAC address of a network card.
Pairing using the bluetooth Agent
Start bluetooth-agent (as root), giving an arbitrary PIN, such as 1234
Connect to the device
connect to the device using the command hidd --connect XX:XX:XX:XX:XX:XX
Request authentication from the device
Request the device to authenicate using the command hcitool auth XX:XX:XX:XX:XX:XX. Enter the PIN from your keyboard pressing at the end.
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