grantcarthew / bash-elgato

Elgato light management from Bash

elgato

Elgato Key Light Air management from Bash

Inspired by Trevor Sullivan's Elgato PowerShell module.

Install

curl -o elgato https://raw.githubusercontent.com/grantcarthew/bash-elgato/main/elgato
chmod +x elgato
sudo mv elgato /usr/local/bin/
elgato -h

Usage

Usage: elgato <command> <ip_address_list> [--help]

Elgato light management for Bash

Command list:
  on                 Turn the light(s) on
  off                Turn the light(s) off
  toggle             Turn the light(s) on or off

Example:
$ elgato on 172.30.1.181 172.30.1.143

Dependencies:
  curl               The Client for URLs CLI tool
  jq                 The JSON Query CLI tool

Required arguments:
  command            The light command, see above
  ip_address_list    A space separated list of light IP addresses

Optional arguments:
  -h, --help         Show this help message and exit

API Reference

The Elgato lights have the following REST API once connected to your WiFi.

Determine the IP address of the lights. There is probably a UDP broadcast for finding the lights which is unknown at this point.

REST Endpoint:

• TYPE: http (not encrypted)
• AUTH: None
• PORT: 9123
• PATH: /elgato/lights

REST Methods:

• GET: Returns the JSON below with the current state of the light
• POST: With the below JSON payload, sets the state of the light

REST JSON Payload:

{
    "numberOfLights": 1,
    "lights": [
        {
            "on": 1,
            "brightness": 9,
            "temperature": 150
        }
    ]
}

Example: See the curl command from the Bash script.