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57 lines
1.8 KiB
ReStructuredText
57 lines
1.8 KiB
ReStructuredText
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X9C Potentiometer Output
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========================
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.. seo::
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:description: Instructions for setting up a X9C digital potentiometer with ESPHome.
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:image: description.svg
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The ``x9c`` output platform allows you to an output that controls a `X9C digital potentiometer <https://www.renesas.com/us/en/document/dst/x9c102-x9c103-x9c104-x9c503-datasheet>`__.
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.. figure:: images/x9c.jpg
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:align: center
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:width: 70.0%
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X9C digital potentiometer
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The X9C family of digital potentiometers are available in different resistance values.
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==================== =====================
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``X9C102`` ``1kΩ``
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-------------------- ---------------------
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``X9C103`` ``10kΩ``
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-------------------- ---------------------
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``X9C503`` ``50kΩ``
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-------------------- ---------------------
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``X9C104`` ``100kΩ``
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==================== =====================
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All chips are controlled by a three wire interface and feature 100 possible wiper positions.
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.. code-block:: yaml
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# Example configuration entry
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output:
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- platform: x9c
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id: x9c_pot
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cs_pin: GPIO25
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inc_pin: GPIO27
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ud_pin: GPIO26
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initial_value: 0.5
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Configuration variables:
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------------------------
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- **id** (**Required**, :ref:`config-id`): The id to use for this output component.
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- **cs_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Chip Select pin
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- **inc_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Increment pin
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- **ud_pin** (**Required**, :ref:`Pin Schema <config-pin_schema>`): Up/Down pin
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- **initial_value** (*Optional*, float): Manually specify the initial potentiometer value, between ``0.01`` and ``1.0``. Defaults to ``1.0``.
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- All other options from :ref:`Output <config-output>`.
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See Also
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--------
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- :doc:`/components/output/index`
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- :apiref:`x9c/x9c.h`
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- :ghedit:`Edit`
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