mirror of
https://github.com/esphome/esphome-docs.git
synced 2024-11-14 10:35:27 +01:00
72 lines
2.0 KiB
ReStructuredText
72 lines
2.0 KiB
ReStructuredText
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
|
|
model: htu21d
|
|
temperature:
|
|
name: "Temperature"
|
|
humidity:
|
|
name: "Humidity"
|
|
heater:
|
|
name: "Heater"
|
|
|
|
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>`.
|
|
|
|
- **heater** (*Optional*): The information for the heater sensor.
|
|
All options from :ref:`Sensor <config-sensor>`.
|
|
|
|
- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the sensor. Defaults to ``60s``.
|
|
|
|
- **model** (*Optional*): Possible values are HTU21D, SI7021, SHT21. Defaults to HTU21D.
|
|
|
|
The heater may be enabled to help correct the reading; see the datasheet for more information.
|
|
|
|
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`
|