Support for the HC-SR04 ultrasonic sensor.
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README.md

pimatic-ultrasonic

Pimatic support for the HC-SR04 ultrasonic sensor.

Exapmle wiring

Example config

Add the plugin to the plugin section:

{ 
  "plugin": "ultrasonic"
}

Then add a sensor for your device to the devices section:

{
  "id": "ultrasonic",
  "name": "Ultrasonic HC-SR04",
  "class": "Ultrasonic",
  "echo": 22,
  "trigger": 18,
  "timeout": 750,
  "interval": 60000
}

You can also select the unit:

example: "displayUnit": "cm"

Credits

Luke for mmm-usonic

License

AGPL-3.0