This an extension for the MagicMirror. It can monitor a PIR motion sensor and put your mirror to sleep if nobody uses it by turning off HDMI output or by turning off the mirror via a relay.

1. Navigate into your MagicMirror's modules folder and execute git clone https://github.com/MarcLandis/MMM-PIR-Sensor. A new folder will appear navigate into it.
2. Execute npm install to install the node dependencies.
3. Add your user (pi?) to the gpio group by executing sudo usermod -a -G gpio pi.
4. Execute sudo chmod u+s /opt/vc/bin/tvservice && sudo chmod u+s /bin/chvt to allow turning on/off the hdmi output.
5. Reboot your Pi.

To use this module, add it to the modules array in the config/config.js file:

modules: [
 {
  module: 'MMM-PIR-Sensor',
  config: {
   // See 'Configuration options' for more information.
  }
 }
]

The following properties can be configured:

To use this module, add it to the modules array in the config/config.js file:

modules: [
 {
  module: 'MMM-PIR-Sensor', 
  position: "top_center", // Remove this line to avoid having an visible indicator
  config: {
   sensorPin: 23,
   powerSavingDelay: 60, // Turn HDMI OFF after 60 seconds of no motion, until motion is detected again
   preventHDMITimeout: 4, // Turn HDMI ON and OFF again every 4 minutes when power saving, to avoid LCD/TV timeout
   supportCEC: true, 
   presenceIndicator: "fa-eye", // Customizing the indicator
   presenceOffIndicator: "fa-eye", // Customizing the indicator
   presenceIndicatorColor: "#f51d16", // Customizing the indicator
   presenceOffIndicatorColor: "#2b271c" // Customizing the indicator
  }
 }
]

This module broadcasts a USER_PRESENCE notification with the payload beeing true or false you can use it to pause or disable your module.

• wiring-pi (installed via npm install)