home-assistant.io/source/_integrations/lawn_mower.mqtt.markdown

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title description ha_category ha_release ha_iot_class ha_domain
MQTT lawn mower Instructions on how to integrate MQTT lawn mowers into Home Assistant.
Lawn mower
2023.9 Configurable mqtt

The mqtt lawn_mower platform allows controlling a lawn mower over MQTT.

Configuration

To enable MQTT lawn mower in your installation, add the following to your {% term "configuration.yaml" %} file:

# Example configuration.yaml entry
mqtt:
  - lawn_mower:
      command_topic: topic
      name: "Test Lawn Mower"

{% configuration %} activity_state_topic: description: The MQTT topic subscribed to receive an update of the activity. Valid activities are mowing, paused, docked, and error. Use value_template to extract the activity state from a custom payload. When payload none is received, the activity state will be reset to unknown.
required: false type: string activity_value_template: description: "Defines a template to extract the value." required: false type: template 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 the device's availability from the topic. To determine the device's availability, the 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 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, the result of this template will be compared to payload_available and payload_not_available." required: false type: template device: description: "Information about the device this lawn mower is a part of to tie it into the device registry. Only works when the unique_id is set. At least one of the 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: [list, string] 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 isnt 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 the device topology in Home Assistant.' required: false type: string dock_command_template: description: Defines a template to generate the payload to send to dock_command_topic. The value parameter in the template will be set to dock. required: false type: template dock_command_topic: description: The MQTT topic that publishes commands when the lawn_mower.dock action is performed. The value dock is published when the action is used. Use a dock_command_template to publish a custom format. 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 the 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 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." required: false type: template json_attributes_topic: description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as entity attributes. Implies force_update of the current activity state when a message is received on this topic. required: false type: string name: description: The name of the lawn mower. Can be set to null if only the device name is relevant. required: false type: string object_id: description: Used instead of name for automatic generation of entity_id required: false type: string optimistic: description: Flag that defines if the lawn mower works in optimistic mode. required: false type: boolean default: "true if no activity_state_topic defined, else false." pause_command_template: description: Defines a template to generate the payload to send to pause_command_topic. The value parameter in the template will be set to pause. required: false type: template pause_command_topic: description: The MQTT topic that publishes commands when the lawn_mower.pause action is performed. The value pause is published when the action is used. Use a pause_command_template to publish a custom format. required: false type: string platform: description: Must be lawn_mower. 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 start_mowing_template: description: Defines a template to generate the payload to send to start_mowing_command_topic. The value parameter in the template will be set to start_mowing. required: false type: template start_mowing_command_topic: description: The MQTT topic that publishes commands when the lawn_mower.start_mowing action is performed. The value start_mowing is published when the action used. Use a start_mowing_command_template to publish a custom format. required: false type: string retain: description: If the published message should have the retain flag on or not. required: false type: boolean default: false unique_id: description: An ID that uniquely identifies this lawn mower. If two lawn mowers 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 topic matches exactly. some-topic/ and some-topic are different topics. {% endimportant %}

Example

The example below shows how to use a single command topic with a command template.

{% raw %}

# Example configuration.yaml entry
mqtt:
  - lawn_mower:
      name: "Lawn Mower Plus"
      activity_state_topic: "lawn_mower_plus/state"
      activity_value_template: "{{ value_json.activity }}" 
      pause_command_topic: "lawn_mower_plus/set"
      pause_command_template: '{"activity": "{{ value }}"}' 
      dock_command_topic: "lawn_mower_plus/set"
      dock_command_template: '{"activity": "{{ value }}"}' 
      start_mowing_command_topic: "lawn_mower_plus/set"
      start_mowing_command_template: '{"activity": "{{ value }}"}' 

{% endraw %}