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Nue / 3A HGZB-42 #

Model	HGZB-42
Vendor	Nue / 3A
Description	Smart light switch - 2 gang v2.0
Exposes	switch (state), linkquality
Picture

Notes #

None

Exposes #

Switch (top endpoint) #

The current state of this switch is in the published state under the state_top property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state_top": "ON"}, {"state_top": "OFF"} or {"state_top": "TOGGLE"}. To read the current state of this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"state_top": ""}.

Switch (bottom endpoint) #

The current state of this switch is in the published state under the state_bottom property (value is ON or OFF). To control this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"state_bottom": "ON"}, {"state_bottom": "OFF"} or {"state_bottom": "TOGGLE"}. To read the current state of this switch publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"state_bottom": ""}.

Linkquality (numeric) #

Link quality (signal strength). Value can be found in the published state on the linkquality property. It’s not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 255. The unit of this value is lqi.

Manual Home Assistant configuration #

Although Home Assistant integration through MQTT discovery is preferred, manual integration is possible with the following configuration:

switch:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    payload_off: "OFF"
    payload_on: "ON"
    value_template: "{{ value_json.state_top }}"
    command_topic: "zigbee2mqtt/<FRIENDLY_NAME>/top/set"

switch:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    payload_off: "OFF"
    payload_on: "ON"
    value_template: "{{ value_json.state_bottom }}"
    command_topic: "zigbee2mqtt/<FRIENDLY_NAME>/bottom/set"

sensor:
  - platform: "mqtt"
    state_topic: "zigbee2mqtt/<FRIENDLY_NAME>"
    availability_topic: "zigbee2mqtt/bridge/state"
    value_template: "{{ value_json.linkquality }}"
    unit_of_measurement: "lqi"
    icon: "mdi:signal"