esphome-docs/esphomeyaml/components/sensor/htu21d.rst

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HTU21D Temperature+Humidity Sensor
==================================
The HTU21D Temperature+Humidity sensor allows you to use your HTU21D
(`datasheet <http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7FHPC199_6%7FA6%7Fpdf%7FEnglish%7FENG_DS_HPC199_6_A6.pdf%7FCAT-HSC0004>`__,
`adafruit <https://www.adafruit.com/product/1899>`__) sensors with
esphomelib. The `I²C bus </esphomeyaml/components/i2c.html>`__ is
required to be set up in your configuration for this sensor to work.
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.. figure:: /esphomeyaml/components/sensor/images/htu21d-full.jpg
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:align: center
:target: `Adafruit`_
:width: 50.0%
HTU21D Temperature & Humidity Sensor. Image by `Adafruit`_.
.. _Adafruit: https://learn.adafruit.com/adafruit-htu21d-f-temperature-humidity-sensor/overview
|image0|
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.. |image0| image:: /esphomeyaml/components/sensor/images/temperature-humidity.png
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:class: align-center
:width: 80.0%
.. code:: yaml
# Example configuration entry
sensor:
- platform: htu21d
temperature:
name: "Living Room Temperature"
humidity:
name: "Living Room Humidity"
update_interval: 15s
Configuration variables:
~~~~~~~~~~~~~~~~~~~~~~~~
- **temperature** (**Required**): The information for the temperature
sensor
- **name** (**Required**, string): The name for the temperature
sensor.
- All other options from
`Sensor </esphomeyaml/components/sensor/index.html#base-sensor-configuration>`__
and `MQTT
Component </esphomeyaml/components/mqtt.html#mqtt-component-base-configuration>`__.
- **humidity** (**Required**): The information for the humidity sensor
- **name** (**Required**, string): The name for the humidity sensor.
- All other options from
`Sensor </esphomeyaml/components/sensor/index.html#base-sensor-configuration>`__
and `MQTT
Component </esphomeyaml/components/mqtt.html#mqtt-component-base-configuration>`__.
- **update_interval** (*Optional*, `time </esphomeyaml/configuration-types.html#time>`__): The interval to check the
sensor. Defaults to ``15s``.
- **id** (*Optional*, `id </esphomeyaml/configuration-types.html#id>`__): Manually specify the ID used for code
generation.