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104 lines
4.4 KiB
ReStructuredText
104 lines
4.4 KiB
ReStructuredText
Neopixelbus Light
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=================
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.. seo::
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:description: Instructions for setting up Neopixel addressable lights.
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:image: color_lens.png
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The ``neopixelbus`` light platform allows you to create RGB lights
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in ESPHome for a individually addressable lights like NeoPixel or WS2812.
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It is very similar to the :doc:`fastled_clockless` and :doc:`fastled_spi` platforms;
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in fact most addressable lights are supported through both light platforms. The
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difference is that they use different libraries: While the fastled platforms use
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the `FastLED <https://github.com/FastLED/FastLED>`__ library, this integration uses
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the `NeoPixelBus <https://github.com/Makuna/NeoPixelBus/>`__ library internally.
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.. code-block:: yaml
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# Example configuration entry
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light:
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- platform: neopixelbus
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type: GRB
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pin: GPIO23
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num_leds: 60
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name: "NeoPixel Light"
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Configuration variables:
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------------------------
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**Base Options:**
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- **name** (**Required**, string): The name of the light.
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- **gamma_correct** (*Optional*, float): The `gamma correction
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factor <https://en.wikipedia.org/wiki/Gamma_correction>`__ for the
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light. Defaults to ``2.8``.
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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- **color_correct** (*Optional*, list of percentages): The color correction for each channel. This denotes
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the maximum brightness of the red, green, blue[, white] channel. Defaults to ``color_correct: [100%, 100%, 100%]``.
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- **default_transition_length** (*Optional*, :ref:`config-time`): The length of
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the transition if no transition parameter is provided by Home
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Assistant. Defaults to ``1s``.
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- **power_supply** (*Optional*, :ref:`config-id`): The :doc:`/components/power_supply` to connect to
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this light. When the light is turned on, the power supply will automatically be switched on too.
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- **effects** (*Optional*, list): A list of :ref:`light effects <light-effects>` to use for this light.
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**Type Options:**
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- **type** (*Optional*, string): The type of light. This is used to specify
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if it is an RGBW or RGB light and in which order the colors are. Defaults to
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``GRB``. Change this if you have lights with white value and/or the colors are in the wrong order.
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- **variant** (*Optional*, string): The chipset variant. You can read more about these
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`here <https://github.com/Makuna/NeoPixelBus/wiki/NeoPixelBus-object#neopixel-led-model-specific-methods>`__
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(some of the info on that page is not entirely correct).
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One of these values:
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- ``800KBPS`` (default)
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- ``400KBPS``
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- ``WS2812X``
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- ``SK6812``
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- ``WS2813`` (same as ``WS2812X``)
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- ``WS2812`` (same as ``800KBPS``)
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- ``LC8812`` (same as ``SK6812``)
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- **method** (*Optional*, string): The method to transmit the data with. You can read
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more about these here: `ESP32 <https://github.com/Makuna/NeoPixelBus/wiki/ESP32-NeoMethods>`__,
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`ESP8266 <https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods>`__
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- ``ESP8266_DMA`` (default for ESP8266, only on pin GPIO3)
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- ``ESP8266_UART0`` (only on pin GPIO1)
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- ``ESP8266_UART1`` (only on pin GPIO3)
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- ``ESP8266_ASYNC_UART0`` (only on pin GPIO1)
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- ``ESP8266_ASYNC_UART1`` (only on pin GPIO3)
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- ``ESP32_I2S_0``
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- ``ESP32_I2S_1`` (default for ESP32)
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- ``BIT_BANG`` (can flicker a bit)
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- **num_leds** (**Required**, int): The number of LEDs attached.
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**Pin Options:** Some chipsets have two data pins to connect, others only have one.
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If you have one line, only specify ``pin``, otherwise specify both ``clock_pin`` and ``data_pin``.
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- **pin** (**Required**, :ref:`config-pin`): The pin for the data line of the light.
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- **clock_pin** (**Required**, :ref:`config-pin`): The pin for the clock line of the light, for two-pin lights.
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- **data_pin** (**Required**, :ref:`config-pin`): The pin for the data line of the light, for two-pin lights.
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**Advanced Options:**
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- **internal** (*Optional*, boolean): Mark this component as internal. Internal components will
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not be exposed to the frontend (like Home Assistant). Only specifying an ``id`` without
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a ``name`` will implicitly set this to true.
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- If MQTT enabled, all other options from :ref:`MQTT Component <config-mqtt-component>`.
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See Also
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--------
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- :doc:`/components/light/index`
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- :doc:`/components/light/fastled_clockless`
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- :doc:`/components/power_supply`
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- :apiref:`light/neo_pixel_light_output.h`
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- `NeoPixelBus library <https://github.com/Makuna/NeoPixelBus/wiki/ESP8266-NeoMethods>`__
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- :ghedit:`Edit`
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.. disqus::
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