Check out https://willschenk.com/articles/2019/controlling_ikea_tradfri_with_node/ for more information.

Basic usage:

Look at the back of your gateway and find the security code. We use that for the initial challenge and then store the token in a configuration file.

Create key.json with your security code

{
  "secret": "ABC123...."
}

then

yarn install
yarn build

Scripts are located in the created "lib" folder

Scripts:

1. node bin/devices.js - Connects, prints devices it knows about, and quits
2. node bin/device_watcher.js - Watches for changes as they happen, waits forever
3. node bin/device_changer.js "Bulb 1" --on --color efd275 "Bulb 2" --brightness 50 --on "Plug" --on -- Makes changes to specific devices, add as many as you want to the list.
4. node bin/scenes.js -- List out rooms and availabe scenes
5. node bin/scene_changer.js "Room 1" relax -- Switches room 1 to the relax scene