BTKNMLE (BlueTooth Keyboard aNd Mouse Low Energy)

Turn your keyboard and mouse connected to your computer into a bluetooth hid device.

WIP

DEMO (Linux PC vs Pixel3)

Runtime Requirements

• Linux 5.8+
• libinput

(Sorry. Only linux is supported.)

Build Requirements

Rust 1.51+

Prerequisite

Stop bluez if running.

sudo systemctl stop bluetooth.service

Run

via Docker

docker run --rm \
  --mount type=volume,source=btknmle,target=/var/lib/btknmle \
  --device /dev/input --mount type=bind,source=/run/udev,target=/run/udev,readonly \
  --mount type=bind,source=/sys/class/bluetooth,target=/sys/class/bluetooth,readonly \
  --net host --cap-add net_admin \
  ghcr.io/yskszk63/btknmle:latest

With key grab.

docker run --rm \
  --mount type=volume,source=btknmle,target=/var/lib/btknmle \
  --device /dev/input --mount type=bind,source=/run/udev,target=/run/udev,readonly \
  --mount type=bind,source=/sys/class/bluetooth,target=/sys/class/bluetooth,readonly \
  --net host --cap-add net_admin \
  -eBTKNMLE_GRAB=yes \
  ghcr.io/yskszk63/btknmle:latest

or

Download form Nightly Release Page

• pre build binary
• deb package

arch: amd64 / arm / armv7 / arm64

usage

btknmle

USAGE:
    btknmle [FLAGS] [OPTIONS]

FLAGS:
    -h, --help         Prints help information
    -v, --verbosity
    -V, --version      Prints version information

OPTIONS:
    -D, --debug <debug>            [env: BTKNMLE_DEBUG=]
    -d, --device-id <device-id>    [env: BTKNMLE_DEVID=] [default: 0]
        --grab <grab>              [env: BTKNMLE_GRAB=]
    -T, --trace <trace>            [env: BTKNMLE_TRACE=]
    -f, --var-file <var-file>      [env: BTKNMLE_VAR_FILE=] [default: /var/lib/btknmle/db.toml]

Using

1. Start btknmle [Device]
2. Press any key to start Advertise [Device]
3. Scan bluetooth devices [Host]
4. Connect to btknmle named btknmle [Host]
5. Passkey input if required [Device]
6. Connected

Build

ArchLinux

sudo pacman -S libinput
git clone https://github.com/yskszk63/btknmle
cd btknmle
cargo build --release

Tested device

Currently ThinkPad A285 (ArchLinux) as device and Pixel3 as host only.

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.