esphome-docs/components/output/ledc.rst
Otto Winter 8d9b0d2375
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ESP32 LEDC Output
=================
.. seo::
:description: Instructions for setting up LEDC hardware PWM outputs on the ESP32.
:image: pwm.png
The LEDC output component exposes a `LEDC PWM
channel <https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/ledc.html>`__
of the ESP32 as an output component.
.. code-block:: yaml
# Example configuration entry
output:
- platform: ledc
pin: 19
id: gpio_19
Configuration variables:
------------------------
- **pin** (**Required**, :ref:`config-pin`): The pin to use LEDC on. Can only be GPIO0-GPIO33.
- **id** (**Required**, :ref:`config-id`): The id to use for this output component.
- **frequency** (*Optional*, float): At which frequency to run the LEDC
channels timer. Two LEDC channels always share the same timer and
therefore also the same frequency. Defaults to 1000Hz.
- **bit_depth** (*Optional*, int): The bit depth to use for the LEDC channel. Defaults to 12.
- **channel** (*Optional*, int): Manually set the `LEDC
channel <https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/ledc.html#configure-channel>`__
to use. Two adjacent channels share the same timer. Defaults to an automatic selection.
- All other options from :ref:`Output <config-output>`.
See Also
--------
- :doc:`/components/output/index`
- :doc:`/components/output/esp8266_pwm`
- :doc:`/components/light/monochromatic`
- :doc:`/components/fan/speed`
- :doc:`/components/power_supply`
- :apiref:`output/ledc_output_component.h`
- `esp-idf LEDC API docs <https://docs.espressif.com/projects/esp-idf/en/latest/api-reference/peripherals/ledc.html>`__
- :ghedit:`Edit`
.. disqus::