How do I manually create and read mqtt sensor data?

[VDRainer]

@teh_zuul

I am able to successfully listen for the specific device topics through the MQTT integration inside HA.

Please post the whole value_json.

@teh_zuul

With this I at least have an entity showing up in HA

Verify the entity_id sensor.door_sensor_patio in Dev Tools/States.

MQTT Sensor / Template: How to "hold" value until next correct value arrives?

Just give the sensor it’s own value. - platform: mqtt state_topic: "home/rtl_433" name: "Aussen Temp Nexus" unit_of_measurement: "°C" value_template: > {% if value_json is defined and value_json.id == 137 %} {{ value_json.temperature_C }} {% else %} {{ states('sensor.aussen_temp_nexus') }} {% endif %}

MQTT - topic - help

In case anyone is interested in using the demultiplexer solution, here is the needed automation and examples of how to configure the sensors. This has been tested and proven to work using the four JSON messages shown above. In automations.yaml: - alias: 'rtl_433 demultiplexer' hide_entity: true trigger: platform: mqtt topic: home/rtl_433 action: service: mqtt.publish data_template: topic: "{{ 'home/sensor' + trigger.payload_json.id|string }}" payload: "{{trigg…