esphome-docs/components/pca9685.rst

PCA9685 PWM Component
=====================

.. seo::
    :description: Instructions for setting up PCA9685 LED PWM drivers.
    :image: pca9685.jpg
    :keywords: PCA9685

The PCA9685 component represents a PCA9685 12-bit PWM driver
(`datasheet <https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/ledc.html#configure-channel>`__,
`adafruit <https://www.adafruit.com/product/815>`__) in ESPHome. It
uses :ref:`I²C Bus <i2c>` for communication.

To use the channels of this components, you first need to setup the
global ``pca9685`` hub and give it an id, and then define the
:doc:`individual output channels </components/output/pca9685>`.

.. code-block:: yaml

    # Example configuration entry
    pca9685:
      frequency: 500

    # Individual outputs
    output:
      - platform: pca9685
        pca9685_id: 'pca9685_hub1'
        channel: 0

Configuration variables:
------------------------

-  **frequency** (**Required**, float): The frequency to let the
   component drive all PWM outputs at. Must be in range from 24Hz to
   1526Hz.
-  **address** (*Optional*, int): The I²C address of the driver.
   Defaults to ``0x00``.
-  **id** (*Optional*, :ref:`config-id`): The id to use for
   this pca9685 component. Use this if you have multiple PCA9685s connected at the same time

See Also
--------

- :doc:`output/pca9685`
- :apiref:`output/pca9685_output_component.h`
- :ghedit:`Edit`

.. disqus::