tuya-local/custom_components/tuya_local/devices/weaja_s9_gasalarm.yaml

name: Gas alarm
# products:
#   - id: UNKNOWN
#     manufacturer: Weaja
#     model: WJ-TUYA-S9
entities:
  - entity: binary_sensor
    class: gas
    dps:
      - id: 2
        type: string
        name: sensor
        mapping:
          - dps_val: alarm
            value: true
          - value: false
  - entity: number
    name: Alarm time
    category: config
    class: duration
    dps:
      - id: 3
        type: integer
        optional: true
        name: value
        unit: min
        range:
          min: 0
          max: 60
        mapping:
          - dps_val: null
            value: 0
            hidden: true
      # dp 12 is labelled as switch_alarm, but does not appear to work, so
      # possibly just an indicator of some sort. Left as an attribute until
      # it can be figured out.
      - id: 12
        type: boolean
        name: switch
  - entity: sensor
    name: Gas
    icon: "mdi:fire"
    dps:
      - id: 5
        type: integer
        name: sensor
        unit: "% LEL"
        class: measurement
        mapping:
          - scale: 10
  - entity: binary_sensor
    name: Carbon monoxide
    class: gas
    dps:
      - id: 6
        type: string
        name: sensor
        mapping:
          - dps_val: alarm
            value: true
          - value: false
  - entity: button
    name: Mute
    category: config
    dps:
      - id: 14
        type: boolean
        name: button
        optional: true
  - entity: sensor
    class: carbon_monoxide
    category: diagnostic
    dps:
      - id: 20
        type: integer
        name: sensor
        unit: ppm
        class: measurement