esphome-docs/components/sensor/bh1750.rst

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BH1750 Ambient Light Sensor
===========================
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.. seo::
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:description: Instructions for setting up BH1750 ambient light sensors in ESPHome.
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:image: bh1750.jpg
:keywords: BH1750
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The ``bh1750`` sensor platform allows you to use your BH1750
(`datasheet <http://www.mouser.com/ds/2/348/bh1750fvi-e-186247.pdf>`__, `Aliexpress`_, `mklec`_)
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ambient light sensor with ESPHome. The :ref:`I²C bus <i2c>` is required to be set up in
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your configuration for this sensor to work.
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.. figure:: images/bh1750-full.jpg
:align: center
:width: 50.0%
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BH1750 Ambient Light Sensor.
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.. _Aliexpress: https://www.adafruit.com/product/1603
.. _mklec: http://mklec.com/modules/micro-controller-modules/bh1750-bh1750fvi-digital-light-sensor-module
.. figure:: images/bh1750-ui.png
:align: center
:width: 80.0%
.. code-block:: yaml
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# Example configuration entry
sensor:
- platform: bh1750
name: "BH1750 Illuminance"
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address: 0x23
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update_interval: 60s
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Configuration variables:
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------------------------
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- **name** (**Required**, string): The name for the sensor.
- **address** (*Optional*, int): Manually specify the i^2c address of the sensor.
Defaults to ``0x23`` (address if address pin is pulled low). If the address pin is pulled high,
the address is ``0x5C``.
- **resolution** (*Optional*, string): The resolution of the sensor in lx. One of ``4.0``,
``1.0``, ``0.5``. Defaults to ``0.5`` (the maximum resolution).
- **update_interval** (*Optional*, :ref:`config-time`): The interval to check the
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sensor. Defaults to ``60s``.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code
generation.
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- All other options from :ref:`Sensor <config-sensor>`.
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See Also
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--------
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- :ref:`sensor-filters`
- :doc:`tsl2561`
- :apiref:`sensor/bh7150_sensor.h`
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- `BH1750 Library <https://github.com/claws/BH1750>`__ by `@claws <https://github.com/claws>`__
- :ghedit:`Edit`