DESKBLUEZ

THIS IS A REWRITE OF BLUEDESK PYTHON IMPLEMENTATION AS NODEJS MODULE

Connects to a low energy actuator system via bluetooth and allows remote control via command line or internal managed interface.

Supported and Tested Desks

• Linak Desk 8721 (Module) / IKEA IDÅSEN

Other devices may also work.

FEATURES

• move to specific position
• move Up / Down
• MQTT message broker connection to subcribe and publish the real state of the desk.

Requirements

• Linux
• libglib2.0-dev
• libdbus-1-dev

npm install -g deskbluez

CLI Usage

HELP

Usage: deskbluez [options] [command]

Options:
  -V, --version                                               output the version number
  -h, --help                                                  display help for command

Commands:
  connect
  serve [options] <endpoint> <publishTopic> <subscribeTopic>
  move [options]
  position
  help [command]                                              display help for command

CONNECT

hostname@user:~/$ deskbluez connect
? Choose device › - Use arrow-keys. Return to submit.
❯   My Desk [E4:D1:A7:7E:XX:XX]
    Redmi [20:34:FB:BA:XX:XX]

...

✔ Choose device › My Desk [E4:D1:A7:7E:XX:XX]
Device connected successfully.

Move to a position

hostname@user:~/$ deskbluez move --to 3000

Move UP

hostname@user:~/$ deskbluez move --up

Move DOWN

hostname@user:~/$ deskbluez move --down

Node-Red and MQTT Broker

Usage: deskbluez serve [options] <endpoint> <publishTopic> <subscribeTopic>

Options:
  --password [password]  
  --username [username]  
  -h, --help             display help for command

This command allows to keep the connection with your desk and get real-time feedback about the desk-state.

Requirements:

- MQTT Broker (https://randomnerdtutorials.com/how-to-install-mosquitto-broker-on-raspberry-pi/)

- Use pm2 to keep the process running

- Install Node-red and exchange command with the service.

hostname@user:~/$ deskbluez serve mqtt://<hostToMqttBroker>:1883 positionUpdate control

This command will publish a JSON (example: {"height": 3000}) to the positionUpdate topic and will subscribe to the control topic in order to receive command.

COMMANDS API:

- UP: "up" <string>
- DOWN: "down" <string>
- MOVE-TO: "to:<position>" <string> (example: "to:3000")

You can use Node-Red to control and display the realtime data of your desk.