esphome-docs/components/light/rgbw.rst

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RGBW Light
==========
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.. seo::
:description: Instructions for setting up RGB + White-Channel lights.
:image: rgbw.png
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The ``rgbw`` light platform creates an RGBW light from 4 :ref:`float output components <output>` (one for each channel).
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.. code-block:: yaml
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# Example configuration entry
light:
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- platform: rgbw
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name: "Livingroom Lights"
red: output_component1
green: output_component2
blue: output_component3
white: output_component4
Configuration variables:
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------------------------
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- **name** (**Required**, string): The name of the light.
- **red** (**Required**, :ref:`config-id`): The id of the float :ref:`output` to use for the red channel.
- **green** (**Required**, :ref:`config-id`): The id of the float :ref:`output` to use for the green channel.
- **blue** (**Required**, :ref:`config-id`): The id of the float :ref:`output` to use for the blue channel.
- **white** (**Required**, :ref:`config-id`): The id of the float :ref:`output` to use for the white channel.
- **gamma_correct** (*Optional*, float): The `gamma correction
factor <https://en.wikipedia.org/wiki/Gamma_correction>`__ for the light. Defaults to ``2.8``.
- **default_transition_length** (*Optional*, :ref:`config-time`): The length of
the transition if no transition parameter is provided by Home Assistant. Defaults to ``1s``.
- **effects** (*Optional*, list): A list of :ref:`light effects <light-effects>` to use for this light.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
- All other options from :ref:`MQTT Component <config-mqtt-component>`.
.. note::
The RGBW light platform only works with ``float`` :ref:`outputs <output>` that
can output any light intensity percentage like the :doc:`ESP32 LEDC </components/output/ledc>` or
:doc:`ESP8266 PWM </components/output/esp8266_pwm>` components and does **not** work with output
platforms like the :doc:`/components/output/gpio`.
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See Also
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--------
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- :doc:`/components/output/index`
- :doc:`/components/light/index`
- :doc:`/components/light/rgb`
- :doc:`/components/power_supply`
- :doc:`/components/output/ledc`
- :doc:`/components/output/esp8266_pwm`
- :doc:`/components/output/pca9685`
- :doc:`/components/output/my9231`
- :apiref:`light/light_state.h`
- :ghedit:`Edit`
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.. disqus::