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115 lines
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115 lines
3.0 KiB
ReStructuredText
DAC7678
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=======
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.. seo::
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:description: Instructions for setting up the DAC7678.
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:image: dac7678.svg
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:keywords: DAC7678
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.. _dac7678-component:
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Component/Hub
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-------------
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The DAC7678 component represents a DAC7678 12-bit 8 channel DAC with internal reference
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(`datasheet <https://www.ti.com/lit/ds/symlink/dac7678.pdf>`__) in ESPHome. It
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uses the :ref:`I²C Bus <i2c>` for communication.
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To use the channels of this components, you first need to setup the
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global ``dac7678`` hub and give it an id, and then define the
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:ref:`individual output channels <dac7678-output>`.
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.. code-block:: yaml
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# Example configuration entry
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dac7678:
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address: 0x4A
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id: dac7678_hub1
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internal_reference: true
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# Individual outputs
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output:
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 0
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Configuration variables:
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************************
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- **address** (*Optional*, int): The I²C address of the driver.
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Defaults to ``0x48``.
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- **id** (*Optional*, :ref:`config-id`): The id to use for
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this dac7678 component. Use this if you have multiple DAC7678s connected at the same time
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- **internal_reference** (*Optional*, bool): State of the internal reference.
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Defaults to ``false``.
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.. _dac7678-output:
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DAC7678 Output
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--------------
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The DAC7678 output component exposes a DAC7678 DAC channel of a global
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:ref:`DAC7678 hub <dac7678-component>` as a float
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output.
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.. code-block:: yaml
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# Example configuration entry
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dac7678:
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address: 0x4A
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id: dac7678_hub1
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internal_reference: true
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# Individual outputs
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output:
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 0
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id: 'dac7678_1_ch0'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 1
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id: 'dac7678_1_ch1'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 2
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id: 'dac7678_1_ch2'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 3
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id: 'dac7678_1_ch3'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 4
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id: 'dac7678_1_ch4'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 5
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id: 'dac7678_1_ch5'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 6
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id: 'dac7678_1_ch6'
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- platform: dac7678
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dac7678_id: 'dac7678_hub1'
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channel: 7
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id: 'dac7678_1_ch7'
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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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- **channel** (**Required**, int): Chose the channel of the DAC7678 of
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this output component. Must be in range from 0 to 7.
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- **dac7678_id** (*Optional*, :ref:`config-id`): Manually specify the ID of the
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:ref:`DAC7678 hub <dac7678-component>`.
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Use this if you have multiple DAC7678 devices.
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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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- :ghedit:`Edit`
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