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  • Getting started
  • Supported Adapters
  • Supported Devices
  • Installation
  • Configuration
  • Usage
  • FAQ
Devices
  • Zigbee

    • Zigbee network
    • Improve network range and stability
    • Sniff Zigbee traffic
    • Create a CC2530 router
  • Support new devices

    • Support new devices
    • Support new Tuya devices
    • Find Tuya Data Points
  • Remote Adapter

    • Connect to a remote adapter
    • Connect to a remote Sonoff ZBBridge
  • More

    • 3D cases
    • External converters
    • External extensions
    • Switch to the dev branch
    • Get Tuya and Xiaomi OTA url
  • Forum
  • Discord
  • Issues
  • Donate
GitHub
GitHub (docs)

QA QAT42Z1B

ModelQAT42Z1B
VendorQA
Description1 channel scene switch
Exposesswitch (state), backlight_brightness, action
PictureQA QAT42Z1B

Options

How to use device type specific configuration

  • time_start: Reply to Tuya-specific time synchronization requests: "1970" - Reply with seconds since 1970/01/01 (recommended, should stop the device from asking), "2000" - Reply with seconds since 2000/01/01 (use if the weekday is wrong with 1970), "off" - Don't reply (use if replying causes too much traffic). Default for this device: "off". The value must be one of 1970, 2000, off

Exposes

Switch

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

Backlight brightness (numeric)

Backlight brightness (0-99). Value can be found in the published state on the backlight_brightness property. To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"backlight_brightness": ""}. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"backlight_brightness": NEW_VALUE}. The minimal value is 0 and the maximum value is 99. The unit of this value is %.

Action (enum)

Triggered action (e.g. a button click). Value can be found in the published state on the action property. It's not possible to read (/get) or write (/set) this value. The possible values are: scene_1.

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Page was last updated on: 8/30/26, 6:20 PM