esphome-docs/components/speaker/i2s_audio.rst
2023-05-08 10:36:43 +12:00

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I²S Audio Speaker
=================
.. seo::
:description: Instructions for setting up I²S based speakers in ESPHome.
:image: i2s_audio.svg
The ``i2s_audio`` speaker platform allows you to receive audio via the the
:doc:`/components/i2s_audio`. This platform only works on ESP32 based chips.
.. code-block:: yaml
# Example configuration entry
speaker:
- platform: i2s_audio
dac_type: external
i2s_dout_pin: GPIO22
mode: mono
Configuration variables:
------------------------
- **dac_type** (**Required**, enum):
- ``external``: Use an external DAC, for example the NS4168, or UDA1334A.
- ``internal``: Use the internal DAC
External DAC
************
- **i2s_dout_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): The GPIO pin to use for the I²S DOUT (Data Out) signal.
- **mode** (*Optional*, string): The mode of the I²S bus. Can be ``mono`` or ``stereo``. Defaults to ``mono``.
For best results, keep the wires as short as possible.
Internal DAC
************
- **mode** (**Required**, enum): The channel mode of the internal DAC.
- ``left``
- ``right``
- ``stereo``
See also
--------
- :doc:`index`
- :ghedit:`Edit`