mmm-toggle-by-mqtt

This is a module for the MagicMirror².

Short description

Shows/hides modules and turns on/off hdmi display based on mqtt command.

External APIs

none.

Screenshot

No picture since there is no ui of this module.

Current development Status

WIP.

Installing the module

• Clone this repository to MagicMirror/modules/
• Run npm install inside the MagicMirror/modules/mmm-toggle-by-mqtt folder to install the module
• Add the following configuration block to the modules array in the MagicMirror/config/config.js file, then restart MagicMirror:

var config = {
    modules: [
        {
            module: 'mmm-toggle-by-mqtt',
            position: 'fullscreen_below',
            config: {
                'mqttHost': 'mqtt://localhost',
                'mqttTopic': 'mmmToggleByMqtt'
            }
        }
    ]
}

NOTE: this module will not ship with an mqtt server, you have to install and run it manually.

Using the module

• To show/hide all DOM elements, send command show or hide to the specified mqtt topic on the specified mqtt server.
• To show/hide a specific module, send command MMM-my-module=show or MMM-my-module=hide to the specified mqtt topic on the specified mqtt server.
• To turn the HDMI display on or off, send command on or off to the specified mqtt topic on the specified mqtt server.
  • This can be used to save energy, e.g. turn off display at night.

Configuration options

Option	Required	Description	Type	Default
mqttHost	Required	Hostname of mqtt server	str	'mqtt://localhost'
mqttTopic	Required	MQTT topic to listen to	str	'mmmToggleByMqtt'
mqttUsername	Optional	MQTT broker username	str	NULL
mqttPassword	Optional	MQTT broker password	str	NULL

License: MIT

The MIT License (MIT)

Copyright (c) 2019

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.