MQTT Subscribe Text Sensor¶
The mqtt_subscribe text sensor platform allows you to get external data into ESPHome.
The sensor will subscribe to messages on the given MQTT topic and save the most recent value
in its id(mysensor).state.
# Example configuration entry
text_sensor:
- platform: mqtt_subscribe
name: "Data from topic"
id: mysensor
topic: the/topic
Configuration variables:¶
name (Required, string): The name of the text sensor.
topic (Required, string): The MQTT topic to listen for string data.
qos (Optional, int): The MQTT QoS to subscribe with. Defaults to
0.id (Optional, ID): Manually specify the ID used for code generation.
All other options from Text Sensor.
Example Usage for Displays¶
This integration is especially useful for displays, to show external data on the display.
Please note you have to use the .c_str() method on the .state object together with the %s format
to use it in printf expressions.
# Example configuration entry
text_sensor:
- platform: mqtt_subscribe
name: "Data from topic"
id: mysensor
topic: the/topic
display:
- platform: ...
# ...
lambda: |-
it.printf(0, 0, id(font), "The data is: %s", id(mysensor).state.c_str());