Add gp8403 docs (#2901)

components/output/gp8403.rst

@@ -0,0 +1,53 @@
+GP8403 Component
+================
+
+.. seo::
+    :description: Instructions for setting up GP8403 outputs in ESPHome.
+    :image: gp8403.svg
+
+The ``gp8403`` is a 2-channel DAC output module. It requires an :doc:`/components/i2c` to be setup.
+
+Component/Hub
+-------------
+
+.. code-block:: yaml
+
+    gp8403:
+      id: my_gp8403
+      voltage: 5V
+
+Configuration variables:
+
+- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
+- **voltage** (**Required**, voltage): The output voltage range of the DAC. Must be one of ``5V`` or ``10V``.
+
+Output
+------
+
+.. code-block:: yaml
+
+    output:
+      - platform: gp8403
+        id: my_gp8403_output_1
+        gp8403_id: my_gp8403
+        channel: 0
+      - platform: gp8403
+        id: my_gp8403_output_2
+        gp8403_id: my_gp8403
+        channel: 1
+
+Configuration variables:
+
+- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
+- **gp8403_id** (*Optional*, :ref:`config-id`): The ID of the GP8403 component.
+  Defaults to the only GP8403 component if there is only one.
+- **channel** (**Required**, int): The channel of the GP8403 to use. Must be ``0`` or ``1``.
+- All other options from :ref:`config-output`.
+
+
+See Also
+--------
+
+- :doc:`/components/output/esp32_dac`
+- :doc:`/components/output/index`
+- :ghedit:`Edit`

images/gp8403.svg

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index.rst

@@ -504,6 +504,7 @@ Output Components
     BP1658CJ, components/output/bp1658cj, bp1658cj.svg
     BP5758D, components/output/bp5758d, bp5758d.svg
     X9C Potentiometer, components/output/x9c, x9c.jpg
+    GP8403, components/output/gp8403, gp8403.svg
 
 Light Components
 ----------------