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* Update htu21d.rst adding SHT21 as supported * fixing underline length... * adding HTU21D / Si7021 / SHT21 to index
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68 lines
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HTU21D | Si7021 | SHT21 Temperature & Humidity Sensor
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=====================================================
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.. seo::
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:description: Instructions for setting up HTU21D temperature and humidity sensors.
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:image: htu21d.jpg
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:keywords: HTU21D
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The HTU21D Temperature & Humidity component allows you to use HTU21D, Si7021 and SHT21 sensors with
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ESPHome. The :ref:`I²C Bus <i2c>` is required to be set up in your configuration for this sensor to work.
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Example sensors:
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- (`Adafruit <https://www.adafruit.com/product/1899>`__)
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.. figure:: images/htu21d-full.jpg
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:align: center
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:width: 50.0%
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HTU21D Temperature & Humidity Sensor.
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.. _Adafruit: https://learn.adafruit.com/adafruit-htu21d-f-temperature-humidity-sensor/overview
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.. figure:: images/temperature-humidity.png
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:align: center
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:width: 80.0%
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.. code-block:: yaml
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# Example configuration entry
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sensor:
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- platform: htu21d
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temperature:
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name: "Living Room Temperature"
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humidity:
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name: "Living Room Humidity"
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update_interval: 60s
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Configuration variables:
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------------------------
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- **temperature** (**Required**): The information for the temperature sensor.
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- **name** (**Required**, string): The name for the temperature sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **humidity** (**Required**): The information for the humidity sensor.
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- **name** (**Required**, string): The name for the humidity sensor.
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- **id** (*Optional*, :ref:`config-id`): Set the ID of this sensor for use in lambdas.
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- All other options from :ref:`Sensor <config-sensor>`.
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- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the sensor. Defaults to ``60s``.
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See Also
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--------
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- :ref:`sensor-filters`
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- :doc:`dht`
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- :doc:`dht12`
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- :doc:`hdc1080`
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- :doc:`sht3xd`
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- :apiref:`htu21d/htu21d.h`
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- `i2cdevlib <https://github.com/jrowberg/i2cdevlib>`__ by `Jeff Rowberg <https://github.com/jrowberg>`__
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- :ghedit:`Edit`
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