esphome-docs/esphomeyaml/components/sensor/mqtt_subscribe.rst
Otto Winter 12edde2485
Add MQTT Subscribe sensor (#50)
* Add MQTT Subscribe sensor

* Update index.rst
2018-10-14 18:43:58 +02:00

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MQTT Subscribe Sensor
=====================
The ``mqtt_subscribe`` sensor platform allows you to get external data into esphomelib.
The sensor will subscribe to messages on the given MQTT topic and parse each message into
a floating point number.
Please note this integration only works with MQTT topics that have numeric data! Each time
a message that is not a number is published a warning will be shown. Please use the MQTT subscribe
text sensor for importing arbitrary text into the esphomelib ecosystem.
.. code:: yaml
# Example configuration entry
sensor:
- platform: mqtt_subscribe
name: "Data from topic"
id: mysensor
topic: the/topic
Configuration variables:
------------------------
- **name** (**Required**, string): The name of the sensor.
- **topic** (**Required**, string): The MQTT topic to listen for numeric messages.
- **qos** (*Optional*, int): The MQTT QoS to subscribe with. Defaults to ``0``.
- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
- All other options from :ref:`Sensor <config-sensor>` and :ref:`MQTT Component <config-mqtt-component>`.
See Also
--------
- :ref:`sensor-filters`
- :doc:`API Reference </api/sensor/mqtt_subscribe>`
- `Edit this page on GitHub <https://github.com/OttoWinter/esphomedocs/blob/current/esphomeyaml/components/sensor/mqtt_subscribe.rst>`__
.. disqus::