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Fabian Affolter 2018-05-08 09:36:29 +02:00
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source/_components/light.mqtt.markdown
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@ -14,6 +14,8 @@ ha_iot_class: depends
The `mqtt` light platform lets you control your MQTT enabled lights. It supports setting brightness, color temperature, effects, flashing, on/off, RGB colors, transitions, XY colors and white values.
## {% linkable_title Configuration %}
In an ideal scenario, the MQTT device will have a state topic to publish state changes. If these messages are published with a `RETAIN` flag, the MQTT light will receive an instant state update after subscription and will start with the correct state. Otherwise, the initial state of the switch will be `false` / `off`.
When a state topic is not available, the light will work in optimistic mode. In this mode, the light will immediately change state after every command. Otherwise, the light will wait for state confirmation from the device (message from `state_topic`).
@ -21,7 +23,7 @@ When a state topic is not available, the light will work in optimistic mode. In
Optimistic mode can be forced, even if the `state_topic` is available. Try to enable it, if experiencing incorrect light operation.
```yaml
# Example configuration.yml entry
# Example configuration.yaml entry
light:
- platform: mqtt
command_topic: "office/rgb1/light/switch"
@ -207,7 +209,7 @@ To enable a light with brightness and RGB support in your installation, add the
{% raw %}
```yaml
# Example configuration.yml entry
# Example configuration.yaml entry
light:
- platform: mqtt
name: "Office Light RGB"
@ -232,7 +234,7 @@ light:
To enable a light with brightness (no RGB version) in your installation, add the following to your `configuration.yaml` file:
```yaml
# Example configuration.yml entry
# Example configuration.yaml entry
light:
- platform: mqtt
name: "Office light"
@ -251,7 +253,7 @@ light:
To enable a light that sends only brightness topics to turn it on, add the following to your `configuration.yaml` file. The `command_topic` is only used to send an off command in this case:
```yaml
# Example configuration.yml entry
# Example configuration.yaml entry
light:
- platform: mqtt
name: "Brightness light"