Setting up door sensor with 8266 rf gateway using OpenMQTTGateway

Configuration
2 
  - platform: mqtt
    name: "test"
    state_topic: "home/OpenMQTTGateway/433toMQTT"
    value_template: >-
      {% if value_json.value == '7821834' %}
        {{'ON'}}
      {% elif value_json.value == '7821838' %}
        {{'OFF'}}
      {% else %}
        {{states('binary_sensor.test') | upper}}
      {% endif %}
    qos: 0
    device_class: opening

See the following post for more information. It discusses two strategies for receiving data from a Sonoff RF Bridge but it is applicable to any RF receiver that uses just one MQTT topic to publish data received from multiple devices.

2 Likes