esphome-docs/components/sensor/htu21d.rst
2023-08-21 12:33:51 +12:00

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