tuya-local/custom_components/tuya_local/devices/em3378_weather_station.yaml

name: Weather Station
product:
  - id: q9opgtca8ymbxpqn
    name: EM3378
primary_entity:
  entity: sensor
  name: Indoor temperature
  class: temperature
  dps:
    - id: 101
      type: integer
      name: sensor
      class: measurement
      mapping:
        - scale: 10
    - id: 112
      type: boolean
      name: unit
      mapping:
        - dps_val: false
          value: C
        - dps_val: true
          value: F
    - id: 117
      name: fault
      type: bitfield
      optional: true
      # we need to know the full range of values to expose this as a light control
    - id: 118
      name: backlight_brightness
      type: string
    - id: 121
      name: backlight_leading_time
      type: integer
      # below is probably related to the built in USB charger, but is encoded
    - id: 122
      name: output_power
      type: hex
secondary_entities:
  - entity: sensor
    name: Indoor humidity
    class: humidity
    dps:
      - id: 102
        type: integer
        name: sensor
        unit: "%"
        class: measurement
  - entity: sensor
    name: Remote temperature 1
    class: temperature
    category: diagnostic
    dps:
      - id: 103
        type: integer
        name: sensor
        class: measurement
        mapping:
          - scale: 10
      - id: 112
        type: boolean
        name: unit
        mapping:
          - dps_val: false
            value: C
          - dps_val: true
            value: F
  - entity: sensor
    name: Remote humidity 1
    class: humidity
    category: diagnostic
    dps:
      - id: 104
        type: integer
        name: sensor
        unit: "%"
        class: measurement
  - entity: sensor
    name: Remote temperature 2
    class: temperature
    category: diagnostic
    dps:
      - id: 106
        type: integer
        name: sensor
        class: measurement
        optional: true
        mapping:
          - scale: 10
      - id: 112
        type: boolean
        name: unit
        mapping:
          - dps_val: false
            value: C
          - dps_val: true
            value: F
  - entity: sensor
    name: Remote humidity 2
    class: humidity
    category: diagnostic
    dps:
      - id: 107
        type: integer
        name: sensor
        unit: "%"
        class: measurement
        optional: true
  - entity: sensor
    name: Remote temperature 3
    class: temperature
    category: diagnostic
    dps:
      - id: 108
        type: integer
        name: sensor
        class: measurement
        optional: true
        mapping:
          - scale: 10
      - id: 112
        type: boolean
        name: unit
        mapping:
          - dps_val: false
            value: C
          - dps_val: true
            value: F
  - entity: sensor
    name: Remote humidity 3
    class: humidity
    category: diagnostic
    dps:
      - id: 109
        type: integer
        name: sensor
        unit: "%"
        class: measurement
        optional: true
  - entity: sensor
    name: Atmospheric pressure
    class: atmospheric_pressure
    category: diagnostic
    dps:
      - id: 110 
        type: integer
        name: sensor
        class: measurement
      - id: 111
        type: string
        name: unit
  - entity: select
    name: Atmospheric pressure unit
    icon: "mdi:gauge"
    category: config
    dps:
      - id: 111
        type: string
        name: option
        mapping:
          - dps_val: mmHg
            value: mm of mercury
          - dps_val: hPa
            value: millibars
          - dps_val: inHg
            value: inches of mercury
  - entity: select
    name: Temperature unit
    icon: "mdi:temperature-celsius"
    category: config
    dps:
      - id: 112
        type: string
        name: option
        mapping:
          - dps_val: false
            value: Celsius
          - dps_val: true
            value: Fahrenheit
  - entity: binary_sensor
    name: Fault
    class: problem
    category: diagnostic
    dps:
      - id: 117
        type: boolean
        name: sensor
        optional: true
        persist: false
        mapping:
          - dps_val: null
            value: false
          - dps_val: 0
            value: false
          - value: true
  - entity: select
    name: Time mode
    icon: "mdi:clock-edit"
    category: config
    dps:
      - id: 119
        type: string
        name: option
        mapping:
          - dps_val: true 
            value: 24h
          - dps_val: false
            value: 12h
  - entity: switch
    name: Date
    category: config
    dps:
      - id: 1
        type: boolean
        name: switch