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Logitech K810 (Illuminated, Bluetooth, Keyboard)

I/O Bluetooth, Keyboard, Logitech, USB

Logitech K810 (Illuminated, Bluetooth, Keyboard)
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Review of Linux Compatibility

The Logitech K810 is an illuminated keyboard which is connected per Bluetooth. Hence, the keyboard can be used for the PC but also for a tablet or a smartphone. It is pooible to switch between these different connections by the press of a button. The illumination is activated by a proximity sensor if the hands come near to the keyboard. Furthermore, the brightness of the keyboard adapts itself to the ambient light.

The keyboard is not automatically supported by Linux but can be used after some additional configuration (e.g. the configuration of a bluetoot connection is possuble under Ubuntu 12.04). The keyboard normally is not recognized by the standard Bluetooth programs under Ubuntu, i.e. gnome-bluetooth applet, blueman, and bluez-compat, or the pairing is lost at each restart of the PC.

A solution how the keyboard can be used nevertheless, can be found at

First, the keyboard has to be in “visible” mode in order to get recognized by the PC.
Then, the MAC address of the keyboard can be found by

hcitool scan

Afterwards, the found MAC address XX:XX:XX:XX:XX:XX has to be used in the command:

sudo bluez-simple-agent hci0 XX:XX:XX:XX:XX:XX

The output of the command should be something like

DisplayPasskey (/org/bluez/537/hci0/..., 123456)

where the keys “123456″ correspond to the PIN number which has to be entered at the keyboard to perform the pairing process. Entering of the numbers has to be finalized by pressing the “Enter” key.

Alternatively, it is possible (e.g. under Ubuntu) to get the PIN from the output of the command

sudo hcidump -at | grep -i pass

and then to start the pairing with bluez-simple-agent command.

After successfully pairing the hardware the following output should be visible on the command line:

New device (/org/bluez/...

The now connected keyboard has to be added to the list of “Trusted Devices”:

sudo bluez-test-device trusted XX:XX:XX:XX:XX:XX yes

Connection has to be finalized by

sudo bluez-test-input connect XX:XX:XX:XX:XX:XX

From now on the pairing should be performed automatically at each reboot.

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2 Responses to “Logitech K810 (Illuminated, Bluetooth, Keyboard)”

  • Jack says:

    This keyboard works wonderfully for me on Ubuntu 13.10. The only thing missing for me in these instructions is that one must find the pairing passkey in a different way. In a separate terminal enter: “sudo hcidump -at | grep -i pass”. Then start the pairing with bluez-simple-agent.

    • LHG-Team says:

      Thanks Jack. The command mentioned by you was added to our description of the K801.

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