2020-04-10 05:07:34 +02:00
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AC Dimmer Component
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===================
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.. seo::
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:description: Instructions for setting up AC Dimmer integration in ESPHome.
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:image: ac_dimmer.svg
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.. warning::
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This component has not been fully tested yet, if you are testing this component
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please share your experience with the dimmer hardware and light model and
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configuration here https://github.com/esphome/feature-requests/issues/278
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Thanks!
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The ``ac_dimmer`` component allows you to connect a dimmable light or other load
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which supports phase control dimming to your ESPHome project.
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There are several already made boards which are compatible with this integration,
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for example the `RobotDyn dimmer
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<https://robotdyn.com/ac-light-dimmer-module-1-channel-3-3v-5v-logic-ac-50-60hz-220v-110v.html>`__.
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.. figure:: images/robotdyn_dimmer.jpg
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:align: center
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:width: 50.0%
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RobotDyn Module. Image by `RobotDyn`_
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.. _RobotDyn: https://robotdyn.com/ac-light-dimmer-module-1-channel-3-3v-5v-logic-ac-50-60hz-220v-110v.html
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.. code-block:: yaml
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# Example configuration entry
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output:
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- platform: ac_dimmer
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2020-11-21 22:53:04 +01:00
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id: dimmer1
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gate_pin: D7
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zero_cross_pin:
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number: D6
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2021-11-03 19:55:26 +01:00
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mode:
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input: true
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2020-11-21 22:53:04 +01:00
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inverted: yes
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2020-04-10 05:07:34 +02:00
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light:
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- platform: monochromatic
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output: dimmer1
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name: Dimmerized Light
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Configuration variables:
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------------------------
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- **gate_pin** (**Required**, :ref:`config-pin`): The pin used to control the Triac or
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Mosfet.
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- **zero_cross_pin** (**Required**, :ref:`config-pin`): The pin used to sense the AC
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Zero cross event, you can have several dimmers controlled with the same zero cross
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detector, in such case duplicate the ``zero_cross_pin`` config on each output.
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- **method** (*Optional*): Set the method for dimming, can be:
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2022-04-03 09:30:25 +02:00
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- ``leading pulse``: (default) a short pulse to trigger a triac.
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2020-04-10 05:07:34 +02:00
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- ``leading``: gate pin driven high until the zero cross is detected
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- ``trailing``: gate pin driven high from zero cross until dim period, this method
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is suitable for mosfet dimmers only.
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- **init_with_half_cycle** (*Optional*, boolean): Will send the first full half AC cycle
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Try to use this for dimmable LED lights, it might help turning on at low brightness
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2021-07-28 23:56:11 +02:00
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levels. On Halogen lamps it might show at initial flicker. Defaults to ``false``.
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2020-04-10 05:07:34 +02:00
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- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
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- All other options from :ref:`Output <config-output>`.
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Dimming lights with phase control can be tricky, the minimum level your light turns on
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might be different from other lights, also the perceived light level might not correlate
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to the percentage output set to the light, to try to minimize these behaviors you can
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tweak the values ``min_power`` from this output component and also ``gamma_correct`` from
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the monochromatic light.
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See Also
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--------
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- :doc:`/components/output/index`
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- :doc:`/components/light/monochromatic`
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- :apiref:`ac_dimmer/ac_dimmer.h`
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- :ghedit:`Edit`
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