56 KiB
title | description | ha_category | ha_iot_class | ha_release | ha_domain | |
---|---|---|---|---|---|---|
MQTT Light | Instructions on how to setup MQTT lights using default schema within Home Assistant. |
|
Configurable | 0.8 | mqtt |
The mqtt
light platform lets you control your MQTT enabled lights through one of the supported message schemas, default
, json
or template
.
Comparison of light MQTT schemas
Function | default |
json |
template |
---|---|---|---|
Brightness | ✔ | ✔ | ✔ |
Color mode | ✔ | ✔ | ✘ |
Color temperature | ✔ | ✔ | ✔ |
Effects | ✔ | ✔ | ✔ |
Flashing | ✘ | ✔ | ✔ |
HS Color | ✔ | ✔ | ✔ |
RGB Color | ✔ | ✔ | ✔ |
RGBW Color | ✔ | ✔ | ✘ |
RGBWW Color | ✔ | ✔ | ✘ |
Transitions | ✘ | ✔ | ✔ |
White | ✔ | ✔ | ✘ |
XY Color | ✔ | ✔ | ✘ |
Default schema
The mqtt
light platform with default schema lets you control your MQTT enabled lights. It supports setting brightness, color temperature, effects, on/off, RGB colors, XY colors and white.
Default schema - 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 unknown
. A MQTT device can reset the current state to unknown
using a None
payload.
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
). The initial state is set to False
/ off
in optimistic mode.
Optimistic mode can be forced, even if the state_topic
is available. Try to enable it, if experiencing incorrect light operation.
Home Assistant internally assumes that a light's state corresponds to a defined color_mode
.
The state of MQTT lights with default schema and support for both color and color temperature will set the color_mode
according to the last received valid color or color temperature. Optionally, a color_mode_state_topic
can be configured for explicit control of the color_mode
.
# Example configuration.yaml entry
mqtt:
- light:
command_topic: "office/rgb1/light/switch"
{% configuration %}
availability:
description: A list of MQTT topics subscribed to receive availability (online/offline) updates. Must not be used together with availability_topic
.
required: false
type: list
keys:
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
topic:
description: An MQTT topic subscribed to receive availability (online/offline) updates.
required: true
type: string
value_template:
description: "Defines a template to extract device's availability from the topic
. To determine the devices's availability result of this template will be compared to payload_available
and payload_not_available
."
required: false
type: template
availability_mode:
description: When availability
is configured, this controls the conditions needed to set the entity to available
. Valid entries are all
, any
, and latest
. If set to all
, payload_available
must be received on all configured availability topics before the entity is marked as online. If set to any
, payload_available
must be received on at least one configured availability topic before the entity is marked as online. If set to latest
, the last payload_available
or payload_not_available
received on any configured availability topic controls the availability.
required: false
type: string
default: latest
availability_template:
description: "Defines a template to extract device's availability from the availability_topic
. To determine the devices's availability result of this template will be compared to payload_available
and payload_not_available
."
required: false
type: template
availability_topic:
description: The MQTT topic subscribed to receive availability (online/offline) updates. Must not be used together with availability
.
required: false
type: string
brightness_command_topic:
description: The MQTT topic to publish commands to change the light’s brightness.
required: false
type: string
brightness_command_template:
description: "Defines a template to compose message which will be sent to brightness_command_topic
. Available variables: value
."
required: false
type: template
brightness_scale:
description: "Defines the maximum brightness value (i.e., 100%) of the MQTT device."
required: false
type: integer
default: 255
brightness_state_topic:
description: The MQTT topic subscribed to receive brightness state updates.
required: false
type: string
brightness_value_template:
description: "Defines a template to extract the brightness value."
required: false
type: template
color_mode_state_topic:
description: "The MQTT topic subscribed to receive color mode updates. If this is not configured, color_mode
will be automatically set according to the last received valid color or color temperature. The unit used is mireds, or if color_temp_kelvin
is set to true
, in Kelvin."
required: false
type: string
color_mode_value_template:
description: "Defines a template to extract the color mode."
required: false
type: template
color_temp_command_template:
description: "Defines a template to compose message which will be sent to color_temp_command_topic
. Available variables: value
."
required: false
type: template
color_temp_command_topic:
description: The MQTT topic to publish commands to change the light’s color temperature state. By default the color temperature command slider has a range of 153 to 500 mireds (micro reciprocal degrees) or a range of 2000 to 6535 Kelvin if color_temp_kelvin
is set to true
.
required: false
type: string
color_temp_kelvin:
description: "When set to true
, color_temp_command_topic
will publish color mode updates in Kelvin and process color_temp_state_topic
will process state updates in Kelvin. When not set the color_temp
values are converted to mireds."
required: false
type: boolean
default: false
color_temp_state_topic:
description: "The MQTT topic subscribed to receive color temperature state updates."
required: false
type: string
color_temp_value_template:
description: "Defines a template to extract the color temperature value."
required: false
type: template
command_topic:
description: The MQTT topic to publish commands to change the switch state.
required: true
type: string
device:
description: 'Information about the device this light is a part of to tie it into the device registry. Only works when unique_id
is set. At least one of identifiers or connections must be present to identify the device.'
required: false
type: map
keys:
configuration_url:
description: 'A link to the webpage that can manage the configuration of this device. Can be either an http://
, https://
or an internal homeassistant://
URL.'
required: false
type: string
connections:
description: 'A list of connections of the device to the outside world as a list of tuples [connection_type, connection_identifier]
. For example the MAC address of a network interface: "connections": [["mac", "02:5b:26:a8:dc:12"]]
.'
required: false
type: list
hw_version:
description: The hardware version of the device.
required: false
type: string
identifiers:
description: 'A list of IDs that uniquely identify the device. For example a serial number.'
required: false
type: [string, list]
manufacturer:
description: 'The manufacturer of the device.'
required: false
type: string
model:
description: 'The model of the device.'
required: false
type: string
model_id:
description: The model identifier of the device.
required: false
type: string
name:
description: 'The name of the device.'
required: false
type: string
serial_number:
description: "The serial number of the device."
required: false
type: string
suggested_area:
description: 'Suggest an area if the device isn’t in one yet.'
required: false
type: string
sw_version:
description: 'The firmware version of the device.'
required: false
type: string
via_device:
description: 'Identifier of a device that routes messages between this device and Home Assistant. Examples of such devices are hubs, or parent devices of a sub-device. This is used to show device topology in Home Assistant.'
required: false
type: string
enabled_by_default:
description: Flag which defines if the entity should be enabled when first added.
required: false
type: boolean
default: true
encoding:
description: The encoding of the payloads received and published messages. Set to ""
to disable decoding of incoming payload.
required: false
type: string
default: "utf-8"
entity_category:
description: The category of the entity.
required: false
type: string
entity_picture:
description: "Picture URL for the entity."
required: false
type: string
effect_command_topic:
description: "The MQTT topic to publish commands to change the light's effect state."
required: false
type: string
effect_command_template:
description: "Defines a template to compose message which will be sent to effect_command_topic
. Available variables: value
."
required: false
type: template
effect_list:
description: The list of effects the light supports.
required: false
type: [string, list]
effect_state_topic:
description: The MQTT topic subscribed to receive effect state updates.
required: false
type: string
effect_value_template:
description: "Defines a template to extract the effect value."
required: false
type: template
hs_command_template:
description: "Defines a template to compose message which will be sent to hs_command_topic
. Available variables: hue
and sat
."
required: false
type: template
hs_command_topic:
description: "The MQTT topic to publish commands to change the light's color state in HS format (Hue Saturation).
Range for Hue: 0° .. 360°, Range of Saturation: 0..100.
Note: Brightness is sent separately in the brightness_command_topic
."
required: false
type: string
hs_state_topic:
description: "The MQTT topic subscribed to receive color state updates in HS format. The expected payload is the hue and saturation values separated by commas, for example, 359.5,100.0
.
Note: Brightness is received separately in the brightness_state_topic
."
required: false
type: string
hs_value_template:
description: "Defines a template to extract the HS value."
required: false
type: template
icon:
description: "Icon for the entity."
required: false
type: icon
json_attributes_template:
description: "Defines a template to extract the JSON dictionary from messages received on the json_attributes_topic
. Usage example can be found in MQTT sensor documentation."
required: false
type: template
json_attributes_topic:
description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes. Usage example can be found in MQTT sensor documentation.
required: false
type: string
max_kelvin:
description: The maximum color temperature in Kelvin.
required: false
type: integer
default: 6535
max_mireds:
description: The maximum color temperature in mireds.
required: false
type: integer
min_kelvin:
description: The minimum color temperature in Kelvin.
required: false
type: integer
default: 2000
min_mireds:
description: The minimum color temperature in mireds.
required: false
type: integer
name:
description: The name of the light. Can be set to null
if only the device name is relevant.
required: false
type: string
default: MQTT Light
object_id:
description: Used instead of name
for automatic generation of entity_id
required: false
type: string
on_command_type:
description: "Defines when on the payload_on is sent. Using last
(the default) will send any style (brightness, color, etc) topics first and then a payload_on
to the command_topic
. Using first
will send the payload_on
and then any style topics. Using brightness
will only send brightness commands instead of the payload_on
to turn the light on."
required: false
type: string
optimistic:
description: Flag that defines if switch works in optimistic mode.
required: false
type: boolean
default: "true
if no state topic defined, else false
."
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
payload_off:
description: The payload that represents the off state.
required: false
type: string
default: "OFF"
payload_on:
description: The payload that represents the on state.
required: false
type: string
default: "ON"
platform:
description: Must be light
. Only allowed and required in MQTT auto discovery device messages.
required: true
type: string
qos:
description: The maximum QoS level to be used when receiving and publishing messages.
required: false
type: integer
default: 0
retain:
description: If the published message should have the retain flag on or not.
required: false
type: boolean
default: false
rgb_command_template:
description: "Defines a template to compose message which will be sent to rgb_command_topic
. Available variables: red
, green
and blue
."
required: false
type: template
rgb_command_topic:
description: "The MQTT topic to publish commands to change the light's RGB state."
required: false
type: string
rgb_state_topic:
description: "The MQTT topic subscribed to receive RGB state updates. The expected payload is the RGB values separated by commas, for example, 255,0,127
."
required: false
type: string
rgb_value_template:
description: "Defines a template to extract the RGB value."
required: false
type: template
rgbw_command_template:
description: "Defines a template to compose message which will be sent to rgbw_command_topic
. Available variables: red
, green
, blue
and white
."
required: false
type: template
rgbw_command_topic:
description: "The MQTT topic to publish commands to change the light's RGBW state."
required: false
type: string
rgbw_state_topic:
description: "The MQTT topic subscribed to receive RGBW state updates. The expected payload is the RGBW values separated by commas, for example, 255,0,127,64
."
required: false
type: string
rgbw_value_template:
description: "Defines a template to extract the RGBW value."
required: false
type: template
rgbww_command_template:
description: "Defines a template to compose message which will be sent to rgbww_command_topic
. Available variables: red
, green
, blue
, cold_white
and warm_white
."
required: false
type: template
rgbww_command_topic:
description: "The MQTT topic to publish commands to change the light's RGBWW state."
required: false
type: string
rgbww_state_topic:
description: "The MQTT topic subscribed to receive RGBWW state updates. The expected payload is the RGBWW values separated by commas, for example, 255,0,127,64,32
."
required: false
type: string
rgbww_value_template:
description: "Defines a template to extract the RGBWW value."
required: false
type: template
schema:
description: The schema to use. Must be basic
or omitted to select the default schema.
required: false
type: string
default: basic
state_topic:
description: "The MQTT topic subscribed to receive state updates. A "None" payload resets to an unknown
state. An empty payload is ignored. By default, valid state payloads are OFF
and ON
. The accepted payloads can be overridden with the payload_off
and payload_on
config options."
required: false
type: string
state_value_template:
description: "Defines a template to extract the state value. The template should return the values defined by payload_on
(defaults to "ON") and payload_off
(defaults to "OFF") settings, or "None"."
required: false
type: template
unique_id:
description: An ID that uniquely identifies this light. If two lights have the same unique ID, Home Assistant will raise an exception. Required when used with device-based discovery.
required: false
type: string
white_command_topic:
description: "The MQTT topic to publish commands to change the light to white mode with a given brightness."
required: false
type: string
white_scale:
description: "Defines the maximum white level (i.e., 100%) of the MQTT device."
required: false
type: integer
default: 255
xy_command_template:
description: "Defines a template to compose message which will be sent to xy_command_topic
. Available variables: x
and y
."
required: false
type: template
xy_command_topic:
description: "The MQTT topic to publish commands to change the light's XY state."
required: false
type: string
xy_state_topic:
description: The MQTT topic subscribed to receive XY state updates. The expected payload is the X and Y color values separated by commas, for example, 0.675,0.322
.
required: false
type: string
xy_value_template:
description: "Defines a template to extract the XY value."
required: false
type: template
{% endconfiguration %}
{% important %}
Make sure that your topics match exactly. some-topic/
and some-topic
are different topics.
{% endimportant %}
{% note %} XY and RGB can not be used at the same time. If both are provided, XY overrides RGB. {% endnote %}
Default schema - Examples
In this section you will find some real-life examples of how to use this sensor.
Brightness and RGB support
To enable a light with brightness and RGB support in your installation, add the following to your {% term "configuration.yaml
" %} file:
{% raw %}
# Example configuration.yaml entry
mqtt:
- light:
name: "Office Light RGB"
state_topic: "office/rgb1/light/status"
command_topic: "office/rgb1/light/switch"
brightness_state_topic: "office/rgb1/brightness/status"
brightness_command_topic: "office/rgb1/brightness/set"
rgb_state_topic: "office/rgb1/rgb/status"
rgb_command_topic: "office/rgb1/rgb/set"
state_value_template: "{{ value_json.state }}"
brightness_value_template: "{{ value_json.brightness }}"
rgb_value_template: "{{ value_json.rgb | join(',') }}"
qos: 0
payload_on: "ON"
payload_off: "OFF"
optimistic: false
{% endraw %}
Brightness and no RGB support
To enable a light with brightness (no RGB version) in your installation, add the following to your {% term "configuration.yaml
" %} file:
# Example configuration.yaml entry
mqtt:
- light:
name: "Office light"
state_topic: "office/light/status"
command_topic: "office/light/switch"
brightness_state_topic: 'office/light/brightness'
brightness_command_topic: 'office/light/brightness/set'
qos: 0
payload_on: "ON"
payload_off: "OFF"
optimistic: false
Brightness without on commands
To enable a light that sends only brightness topics to turn it on, add the following to your {% term "configuration.yaml
" %} file. The command_topic
is only used to send an off command in this case:
# Example configuration.yaml entry
mqtt:
- light:
name: "Brightness light"
state_topic: "office/light/status"
command_topic: "office/light/switch"
payload_off: "OFF"
brightness_state_topic: 'office/light/brightness'
brightness_command_topic: 'office/light/brightness/set'
on_command_type: 'brightness'
Default schema - Implementations
- A basic example using a NodeMCU board (ESP8266) to control its built-in LED (on/off).
- Another example to control a RGB LED (on/off, brightness, and colors).
- Integration guide for the ESPUrna firmware (ESP8285/ESP8266).
JSON schema
The mqtt
light platform with JSON schema lets you control a MQTT-enabled light that can receive JSON messages.
This schema supports on/off, brightness, RGB colors, XY colors, color temperature, transitions and short/long flashing. The messages sent to/from the lights look similar to this, omitting fields when they aren't needed. The color_mode
will not be present in messages sent to the light. It is optional in messages received from the light, but can be used to disambiguate the current mode in the light. In the example below, color_mode
is set to rgb
and color_temp
, color.c
, color.w
, color.x
, color.y
, color.h
, color.s
will all be ignored by Home Assistant:
{
"brightness": 255,
"color_mode": "rgb",
"color_temp": 155,
"color": {
"r": 255,
"g": 180,
"b": 200,
"c": 100,
"w": 50,
"x": 0.406,
"y": 0.301,
"h": 344.0,
"s": 29.412
},
"effect": "colorloop",
"state": "ON",
"transition": 2,
}
JSON schema - Configuration
In an ideal scenario, the MQTT device will have a state topic to publish state changes. If these messages are published with the 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 light will be 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
).
Optimistic mode can be forced, even if state topic is available. Try enabling it if the light is operating incorrectly.
# Example configuration.yaml entry
mqtt:
- light:
schema: json
command_topic: "home/rgb1/set"
{% configuration %}
availability:
description: A list of MQTT topics subscribed to receive availability (online/offline) updates. Must not be used together with availability_topic
.
required: false
type: list
keys:
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
topic:
description: An MQTT topic subscribed to receive availability (online/offline) updates.
required: true
type: string
value_template:
description: "Defines a template to extract device's availability from the topic
. To determine the devices's availability result of this template will be compared to payload_available
and payload_not_available
."
required: false
type: template
availability_mode:
description: When availability
is configured, this controls the conditions needed to set the entity to available
. Valid entries are all
, any
, and latest
. If set to all
, payload_available
must be received on all configured availability topics before the entity is marked as online. If set to any
, payload_available
must be received on at least one configured availability topic before the entity is marked as online. If set to latest
, the last payload_available
or payload_not_available
received on any configured availability topic controls the availability.
required: false
type: string
default: latest
availability_template:
description: "Defines a template to extract device's availability from the availability_topic
. To determine the devices's availability result of this template will be compared to payload_available
and payload_not_available
."
required: false
type: template
availability_topic:
description: The MQTT topic subscribed to receive availability (online/offline) updates. Must not be used together with availability
.
required: false
type: string
brightness:
description: Flag that defines if light supports brightness when the rgb
, rgbw
, or rgbww
color mode is supported.
required: false
type: boolean
default: false
brightness_scale:
description: "Defines the maximum brightness value (i.e., 100%) of the MQTT device."
required: false
type: integer
default: 255
color_temp_kelvin:
description: "When set to true
, command_topic
will publish color mode updates in Kelvin, and process state_topic
will process state updates in Kelvin. By default, the color_temp
values are converted to and from mireds."
required: false
type: boolean
default: false
command_topic:
description: The MQTT topic to publish commands to change the light’s state.
required: true
type: string
device:
description: 'Information about the device this light is a part of to tie it into the device registry. Only works when unique_id
is set. At least one of identifiers or connections must be present to identify the device.'
required: false
type: map
keys:
configuration_url:
description: 'A link to the webpage that can manage the configuration of this device. Can be either an http://
, https://
or an internal homeassistant://
URL.'
required: false
type: string
connections:
description: 'A list of connections of the device to the outside world as a list of tuples [connection_type, connection_identifier]
. For example the MAC address of a network interface: "connections": [["mac", "02:5b:26:a8:dc:12"]]
.'
required: false
type: list
identifiers:
description: 'A list of IDs that uniquely identify the device. For example a serial number.'
required: false
type: [string, list]
manufacturer:
description: 'The manufacturer of the device.'
required: false
type: string
model:
description: 'The model of the device.'
required: false
type: string
name:
description: 'The name of the device.'
required: false
type: string
serial_number:
description: "The serial number of the device."
required: false
type: string
sw_version:
description: 'The firmware version of the device.'
required: false
type: string
enabled_by_default:
description: Flag which defines if the entity should be enabled when first added.
required: false
type: boolean
default: true
encoding:
description: The encoding of the payloads received and published messages. Set to ""
to disable decoding of incoming payload.
required: false
type: string
default: "utf-8"
entity_category:
description: The category of the entity.
required: false
type: string
effect:
description: Flag that defines if the light supports effects.
required: false
type: boolean
default: false
effect_list:
description: The list of effects the light supports.
required: false
type: [string, list]
flash_time_long:
description: The duration, in seconds, of a “long” flash.
required: false
type: integer
default: 10
flash_time_short:
description: The duration, in seconds, of a “short” flash.
required: false
type: integer
default: 2
icon:
description: "Icon for the entity."
required: false
type: icon
json_attributes_template:
description: "Defines a template to extract the JSON dictionary from messages received on the json_attributes_topic
. Usage example can be found in MQTT sensor documentation."
required: false
type: template
json_attributes_topic:
description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes. Usage example can be found in MQTT sensor documentation.
required: false
type: string
max_kelvin:
description: The maximum color temperature in Kelvin.
required: false
type: integer
default: 6535
max_mireds:
description: The maximum color temperature in mireds.
required: false
type: integer
min_kelvin:
description: The minimum color temperature in Kelvin.
required: false
type: integer
default: 2000
min_mireds:
description: The minimum color temperature in mireds.
required: false
type: integer
name:
description: The name of the light.
required: false
type: string
default: MQTT JSON Light
object_id:
description: Used instead of name
for automatic generation of entity_id
required: false
type: string
optimistic:
description: Flag that defines if the light works in optimistic mode.
required: false
type: boolean
default: "true
if no state topic defined, else false
."
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
platform:
description: Must be light
. Only allowed and required in MQTT auto discovery device messages.
required: true
type: string
qos:
description: The maximum QoS level to be used when receiving and publishing messages.
required: false
type: integer
default: 0
retain:
description: If the published message should have the retain flag on or not.
required: false
type: boolean
default: false
schema:
description: The schema to use. Must be json
to select the JSON schema.
required: false
type: string
default: basic
state_topic:
description: 'The MQTT topic subscribed to receive state updates in a JSON-format. The JSON payload may contain the elements: "state"
: "ON"
the light is on, "OFF"
the light is off, null
the state is unknown
; "color_mode"
: one of the supported_color_modes
; "color"
: A dict with the color attributes*; "brightness"
: The brightness; "color_temp"
: The color temperature; "effect"
: The effect of the light.'
required: false
type: string
supported_color_modes:
description: A list of color modes supported by the list. Possible color modes are onoff
, brightness
, color_temp
, hs
, xy
, rgb
, rgbw
, rgbww
, white
. Note that if onoff
or brightness
are used, that must be the only value in the list.
required: false
type: list
unique_id:
description: An ID that uniquely identifies this light. If two lights have the same unique ID, Home Assistant will raise an exception. Required when used with device-based discovery.
required: false
type: string
white_scale:
description: "Defines the maximum white level (i.e., 100%) of the MQTT device. This is used when setting the light to white mode."
required: false
type: integer
default: 255
{% endconfiguration %}
*The color
attribute dict in the JSON state payload should contain the following keys based on the color_mode
:
hs
:h
: The hue values
: The saturation value
xy
:x
: X color valuey
: Y color value
rgb
:r
: Red color valueg
: Green color valueb
: Blue color value
rgbw
:r
: Red color valueg
: Green color valueb
: Blue color valuew
: White value
rgbww
:r
: Red color valueg
: Green color valueb
: Blue color valuec
: Cool white valuew
: Warm white value
More details about the different colors, color modes and range values can be found here.
{% important %}
Make sure that your topics match exact. some-topic/
and some-topic
are different topics.
{% endimportant %}
{% note %}
RGB, XY and HSV can not be used at the same time in state_topic
messages. Make sure that only one of the color models is in the "color" section of the state MQTT payload.
{% endnote %}
JSON schema - Examples
In this section you find some real-life examples of how to use this sensor.
Brightness and RGB support
To enable a light with brightness and RGB support in your installation, add the following to your {% term "configuration.yaml
" %} file:
# Example configuration.yaml entry
mqtt:
- light:
schema: json
name: mqtt_json_light_1
state_topic: "home/rgb1"
command_topic: "home/rgb1/set"
brightness: true
supported_color_modes: ["rgb"]
Brightness and no RGB support
To enable a light with brightness (but no color support) in your installation, add the following to your {% term "configuration.yaml
" %} file:
# Example configuration.yaml entry
mqtt:
- light:
schema: json
name: mqtt_json_light_1
state_topic: "home/rgb1"
command_topic: "home/rgb1/set"
brightness: true
supported_color_modes: ["brightness"]
Brightness scaled
To enable a light using a brightness scale other than 8bit the brightness_scale
option may be added to denote the "fully on" value:
# Example configuration.yaml entry
mqtt:
- light:
schema: json
name: mqtt_json_light_1
state_topic: "home/light"
command_topic: "home/light/set"
brightness: true
brightness_scale: 4095
supported_color_modes: ["brightness"]
Home Assistant will then convert its 8bit value in the message to and from the device:
{
"brightness": 4095,
"state": "ON"
}
HS color
To use a light with hue+saturation as the color model, set supported_color_modes
to ["hs"]
in the platform configuration:
mqtt:
- light:
schema: json
name: mqtt_json_hs_light
state_topic: "home/light"
command_topic: "home/light/set"
supported_color_modes: ["hs"]
Home Assistant expects the hue values to be in the range 0 to 360 and the saturation values to be scaled from 0 to 100. For example, the following is a blue color shade:
{
"state": "ON",
"color_mode": "hs",
"color": {
"h": 24.0,
"s": 100.0
}
}
Brightness and RGBW support
To enable a light with brightness, RGB support and a separate white channel (RGBW) in your installation, add the following to your {% term "configuration.yaml
" %} file:
# Example configuration.yaml entry
mqtt:
- light:
schema: json
name: mqtt_json_light_1
state_topic: "home/rgbw1"
command_topic: "home/rgbw1/set"
brightness: true
supported_color_modes: ["rgbw"]
Implementations
-
A full example of custom lighting using this platform and an ESP8266 microcontroller can be found here. It supports on/off, brightness, transitions, RGB colors, and flashing.
-
There is also another implementation forked from the above repository, it supports all the same features but is made for addressable LED strips using FastLED on a NodeMCU V3 it can be found here.
-
McLighting is another ESP8266 firmware for WS2812 addressable LEDs.
-
MQTT JSON Light is another implementation for ESP8266 including MQTT discovery.
-
ESPHome implements the JSON schema for MQTT based installs and supports MQTT discovery.
-
AiLight is a custom firmware for the Ai-Thinker (and equivalent) RGBW WiFi light bulbs that has an ESP8266 onboard and controlled by the MY9291 LED driver. It implements the MQTT JSON light platform and supports ON/OFF, RGBW colours, brightness, color temperature, flashing and transitions. Also it includes MQTT Auto Discovery) and the MQTT Last Will and Testament is enabled as well.
-
h801-mqtt-json is a custom firmware for the H801 LED dimmer, a 5 channel (RGBWWCW) WiFi LED strip controller for 12V LED strips. The firmware is meant to control the 5 channels of the H801 to simultaneously control an RGB and a Warm-white/Cold-white LED strip such as a 5050 RGB LED strip and a 5025 Dual White strip. It implements the MQTT JSON light platform and supports ON/OFF, RGBW colours (RGB strip), brightness, color temperature (CW/WW strip) and transitions.
Template schema
The mqtt
light platform with template schema lets you control a MQTT-enabled light that receive commands on a command topic and optionally sends status update on a state topic.
It is format-agnostic so you can use any data format you want (i.e., string, JSON), just configure it with templating.
This schema supports on/off, brightness, RGB colors, XY colors, HS Color, color temperature, transitions, short/long flashing and effects.
Template schema - Configuration
In an ideal scenario, the MQTT device will have a state topic to publish state changes. If these messages are published with the 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 light will be 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
).
Optimistic mode can be forced, even if state topic is available. Try enabling it if the light is operating incorrectly.
# Example configuration.yaml entry
mqtt:
- light:
schema: template
command_topic: "home/rgb1/set"
command_on_template: "on"
command_off_template: "off"
{% configuration %}
availability:
description: A list of MQTT topics subscribed to receive availability (online/offline) updates. Must not be used together with availability_topic
.
required: false
type: list
keys:
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
topic:
description: An MQTT topic subscribed to receive availability (online/offline) updates.
required: true
type: string
value_template:
description: "Defines a template to extract device's availability from the topic
. To determine the devices's availability result of this template will be compared to payload_available
and payload_not_available
."
required: false
type: template
availability_mode:
description: When availability
is configured, this controls the conditions needed to set the entity to available
. Valid entries are all
, any
, and latest
. If set to all
, payload_available
must be received on all configured availability topics before the entity is marked as online. If set to any
, payload_available
must be received on at least one configured availability topic before the entity is marked as online. If set to latest
, the last payload_available
or payload_not_available
received on any configured availability topic controls the availability.
required: false
type: string
default: latest
availability_template:
description: "Defines a template to extract device's availability from the availability_topic
. To determine the devices's availability result of this template will be compared to payload_available
and payload_not_available
."
required: false
type: template
availability_topic:
description: The MQTT topic subscribed to receive availability (online/offline) updates. Must not be used together with availability
.
required: false
type: string
blue_template:
description: "Template to extract blue color from the state payload value. Expected result of the template is an integer from 0-255 range."
required: false
type: template
brightness_template:
description: "Template to extract brightness from the state payload value. Expected result of the template is an integer from 0-255 range."
required: false
type: template
color_temp_kelvin:
description: "When set to true
, command_topic
will publish color mode updates in Kelvin and process state_topic
will process state updates in Kelvin. When not set the color_temp
values are converted to mireds."
required: false
type: boolean
default: false
color_temp_template:
description: "Template to extract color temperature from the state payload value. Expected result of the template is an integer. If color_temp_kelvin
is true
the expected value is in Kelvin else mireds are expected."
required: false
type: template
command_off_template:
description: "The template for off state changes. Available variables: state
and transition
."
required: true
type: template
command_on_template:
description: "The template for on state changes. Available variables: state
, brightness
, color_temp
, red
, green
, blue
, hue
, sat
, flash
, transition
and effect
. Values red
, green
, blue
, brightness
are provided as integers from range 0-255. Value of hue
is provided as float from range 0-360. Value of sat
is provided as float from range 0-100. Value of color_temp
is provided as integer representing mired or Kelvin units if color_temp_kelvin
is true
."
required: true
type: template
command_topic:
description: The MQTT topic to publish commands to change the light’s state.
required: true
type: string
device:
description: 'Information about the device this light is a part of to tie it into the device registry. Only works when unique_id
is set. At least one of identifiers or connections must be present to identify the device.'
required: false
type: map
keys:
configuration_url:
description: 'A link to the webpage that can manage the configuration of this device. Can be either an http://
, https://
or an internal homeassistant://
URL.'
required: false
type: string
connections:
description: 'A list of connections of the device to the outside world as a list of tuples [connection_type, connection_identifier]
. For example the MAC address of a network interface: "connections": [["mac", "02:5b:26:a8:dc:12"]]
.'
required: false
type: list
identifiers:
description: 'A list of IDs that uniquely identify the device. For example a serial number.'
required: false
type: [string, list]
manufacturer:
description: 'The manufacturer of the device.'
required: false
type: string
model:
description: 'The model of the device.'
required: false
type: string
name:
description: 'The name of the device.'
required: false
type: string
serial_number:
description: "The serial number of the device."
required: false
type: string
sw_version:
description: 'The firmware version of the device.'
required: false
type: string
enabled_by_default:
description: Flag which defines if the entity should be enabled when first added.
required: false
type: boolean
default: true
encoding:
description: The encoding of the payloads received and published messages. Set to ""
to disable decoding of incoming payload.
required: false
type: string
default: "utf-8"
entity_category:
description: The category of the entity.
required: false
type: string
effect_list:
description: List of possible effects.
required: false
type: [string, list]
effect_template:
description: "Template to extract effect from the state payload value."
required: false
type: template
green_template:
description: "Template to extract green color from the state payload value. Expected result of the template is an integer from 0-255 range."
required: false
type: template
icon:
description: "Icon for the entity."
required: false
type: icon
json_attributes_template:
description: "Defines a template to extract the JSON dictionary from messages received on the json_attributes_topic
. Usage example can be found in MQTT sensor documentation."
required: false
type: template
json_attributes_topic:
description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes. Usage example can be found in MQTT sensor documentation.
required: false
type: string
max_kelvin:
description: The maximum color temperature in Kelvin.
required: false
type: integer
default: 6535
max_mireds:
description: The maximum color temperature in mireds.
required: false
type: integer
min_kelvin:
description: The minimum color temperature in Kelvin.
required: false
type: integer
default: 2000
min_mireds:
description: The minimum color temperature in mireds.
required: false
type: integer
name:
description: The name of the light.
required: false
type: string
default: MQTT Template Light
object_id:
description: Used instead of name
for automatic generation of entity_id
required: false
type: string
optimistic:
description: Flag that defines if the light works in optimistic mode.
required: false
type: boolean
default: "true
if no state topic or state template is defined, else false
."
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
platform:
description: Must be light
. Only allowed and required in MQTT auto discovery device messages.
required: true
type: string
qos:
description: The maximum QoS level to be used when receiving and publishing messages.
required: false
type: integer
default: 0
red_template:
description: "Template to extract red color from the state payload value. Expected result of the template is an integer from 0-255 range."
required: false
type: template
schema:
description: The schema to use. Must be template
to select the template schema.
required: false
type: string
default: basic
state_template:
description: "Template to extract state from the state payload value."
required: false
type: template
state_topic:
description: The MQTT topic subscribed to receive state updates. A "None" payload resets to an unknown
state. An empty payload is ignored.
required: false
type: string
unique_id:
description: An ID that uniquely identifies this light. If two lights have the same unique ID, Home Assistant will raise an exception. Required when used with device-based discovery.
required: false
type: string
{% endconfiguration %}
{% important %}
Make sure that your topics match exact. some-topic/
and some-topic
are different topics.
{% endimportant %}
Template schema - Examples
In this section you find some real-life examples of how to use this light.
Simple string payload
For a simple string payload with the format state,brightness,r-g-b,h-s
(e.g., on,255,255-255-255,360-100
), add the following to your {% term "configuration.yaml
" %} file:
{% raw %}
# Example configuration.yaml entry
mqtt:
- light:
schema: template
command_topic: "home/rgb1/set"
state_topic: "home/rgb1/status"
command_on_template: "on,{{ brightness|d }},{{ red|d }}-{{ green|d }}-{{ blue|d }},{{ hue|d }}-{{ sat|d }}"
command_off_template: "off"
state_template: "{{ value.split(',')[0] }}" # must return `on` or `off`
brightness_template: "{{ value.split(',')[1] }}"
red_template: "{{ value.split(',')[2].split('-')[0] }}"
green_template: "{{ value.split(',')[2].split('-')[1] }}"
blue_template: "{{ value.split(',')[2].split('-')[2] }}"
{% endraw %}
JSON payload
For a JSON payload with the format {"state": "on", "brightness": 255, "color": [255, 255, 255], "effect": "rainbow"}
, add the following to your {% term "configuration.yaml
" %} file:
{% raw %}
# Example configuration.yaml entry
mqtt:
- light:
schema: template
effect_list:
- rainbow
- colorloop
command_topic: "home/rgb1/set"
state_topic: "home/rgb1/status"
command_on_template: >
{"state": "on"
{%- if brightness is defined -%}
, "brightness": {{ brightness }}
{%- endif -%}
{%- if red is defined and green is defined and blue is defined -%}
, "color": [{{ red }}, {{ green }}, {{ blue }}]
{%- endif -%}
{%- if hue is defined and sat is defined -%}
, "huesat": [{{ hue }}, {{ sat }}]
{%- endif -%}
{%- if effect is defined -%}
, "effect": "{{ effect }}"
{%- endif -%}
}
command_off_template: '{"state": "off"}'
state_template: '{{ value_json.state }}'
brightness_template: '{{ value_json.brightness }}'
red_template: '{{ value_json.color[0] }}'
green_template: '{{ value_json.color[1] }}'
blue_template: '{{ value_json.color[2] }}'
effect_template: '{{ value_json.effect }}'
{% endraw %}
CCT light (brightness and temperature)
This example comes from a configuration of Shelly RGBW Bulb working in White mode.
max_mireds
and min_mireds
set color temperature boundaries to 3000K - 6500K. Notice the same limits are applied in command_on_template
, but in kelvin units this time. It's due to conversion from mired to kelvin which causes exceeding boundary values accepted by the device.
The code also ensures bi-directional conversion of brightness scale between 0-100 (required by the device) and 0-255 (required by Home Assistant).
Add the following to your {% term "configuration.yaml
" %} file:
{% raw %}
# Example configuration.yaml entry
mqtt:
- light:
schema: template
name: "Bulb-white"
command_topic: "shellies/bulb/color/0/set"
state_topic: "shellies/bulb/color/0/status"
availability_topic: "shellies/bulb/online"
command_on_template: >
{"turn": "on", "mode": "white"
{%- if brightness is defined -%}
, "brightness": {{brightness | float | multiply(0.39215686) | round(0)}}
{%- endif -%}
{%- if color_temp is defined -%}
, "temp": {{ [[(1000000 / color_temp | float) | round(0), 3000] | max, 6500] | min }}
{%- endif -%}
}
command_off_template: '{"turn":"off", "mode": "white"}'
state_template: "{% if value_json.ison and value_json.mode == 'white' %}on{% else %}off{% endif %}"
brightness_template: "{{ value_json.brightness | float | multiply(2.55) | round(0) }}"
color_temp_template: "{{ (1000000 / value_json.temp | float) | round(0) }}"
payload_available: "true"
payload_not_available: "false"
max_mireds: 334
min_mireds: 153
qos: 1
retain: false
optimistic: false
{% endraw %}
Template schema - No brightness or color support
If you don't want brightness, color or effect support, just omit the corresponding configuration sections.