esphome-docs/components/sensor/aht10.rst
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AHT10 Temperature+Humidity Sensor
=================================
.. seo::
:description: Instructions for setting up AHT10 temperature and humidity sensors
:image: aht10.jpg
:keywords: aht10 aht20 dht20 aht30
The ``aht10`` Temperature+Humidity sensor allows you to use your AHT10
(`datasheet <http://www.aosong.com/userfiles/files/media/aht10%E8%A7%84%E6%A0%BC%E4%B9%A6v1_1%EF%BC%8820191015%EF%BC%89.pdf>`__), AHT20 (`datasheet <https://cdn-learn.adafruit.com/assets/assets/000/091/676/original/AHT20-datasheet-2020-4-16.pdf?1591047915>`__) or AHT30 (`datasheet <https://eleparts.co.kr/data/goods_attach/202306/good-pdf-12751003-1.pdf>`__) :ref:`I²C <i2c>`-based sensor with ESPHome.
The DHT20 (`datasheet <https://cdn.sparkfun.com/assets/8/a/1/5/0/DHT20.pdf>`__) sensor has the packaging of the :doc:`dht` series, but has the AHT20 inside and is speaking :ref:`I²C <i2c>` as well.
.. figure:: images/aht10-full.jpg
:align: center
:width: 50.0%
AHT10 Temperature & Humidity Sensor.
.. figure:: images/temperature-humidity.png
:align: center
:width: 80.0%
.. note::
When configured for humidity, the log *'Components should block for at most 20-30ms in loop().'* will be generated in verbose mode. This is due to technical specs of the sensor and can not be avoided.
.. code-block:: yaml
# Example configuration entry
sensor:
- platform: aht10
variant: AHT10
temperature:
name: "Living Room Temperature"
humidity:
name: "Living Room Humidity"
update_interval: 60s
Configuration variables:
------------------------
- **variant** (*Optional*, enum): Set the variant of the device in use. Defaults to ``AHT10``.
- ``AHT10`` - For AHT10 devices.
- ``AHT20`` - For AHT20 and AHT30 devices.
- **temperature** (**Required**): The information for the temperature sensor.
- All options from :ref:`Sensor <config-sensor>`.
- **humidity** (**Required**): 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`
- :apiref:`aht10/aht10.h`
- `AHT10 Library <https://github.com/Thinary/AHT10>`__ by `Thinary Electronic <https://github.com/Thinary>`__
- `Unofficial Translated AHT10 Datasheet (en) <https://wiki.liutyi.info/download/attachments/30507639/Aosong_AHT10_en_draft_0c.pdf>`__
- :ghedit:`Edit`