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

name: Air purifier
products:
  - id: mhzbjznygqaqjx8w
    manufacturer: Vephos
    model: True
entities:
  - entity: fan
    translation_key: fan_with_presets
    dps:
      - id: 1
        type: boolean
        name: switch
      - id: 3
        type: string
        name: preset_mode
        mapping:
          - dps_val: auto
            value: smart
          - dps_val: manual
            value: normal
          - dps_val: sleep
            value: sleep
      - id: 4
        type: string
        name: speed
        mapping:
          - dps_val: speed1
            value: 33
          - dps_val: speed2
            value: 67
          - dps_val: speed3
            value: 100
  - entity: sensor
    class: pm25
    dps:
      - id: 2
        type: integer
        name: sensor
        unit: ugm3
        class: measurement
  - entity: switch
    translation_key: ionizer
    dps:
      - id: 6
        type: boolean
        name: switch
  - entity: light
    translation_key: indicator
    category: config
    dps:
      - id: 8
        type: boolean
        name: switch
  - entity: switch
    translation_key: uv_sterilization
    dps:
      - id: 9
        type: boolean
        name: switch
  - entity: select
    translation_key: timer
    category: config
    dps:
      - id: 18
        type: string
        name: option
        mapping:
          - dps_val: cancel
            value: cancel
          - dps_val: "2h"
            value: "2h"
          - dps_val: "4h"
            value: "4h"
          - dps_val: "6h"
            value: "6h"
          - dps_val: "8h"
            value: "8h"
          - dps_val: "12"
            value: "12h"
  - entity: binary_sensor
    class: problem
    category: diagnostic
    dps:
      - id: 22
        type: bitfield
        name: sensor
        mapping:
          - dps_val: 0
            value: false
          - value: true
      - id: 22
        type: bitfield
        name: fault_code
      - id: 22
        type: bitfield
        name: description
        mapping:
          - dps_val: 0
            value: ok
          - dps_val: 1
            value: Close filter cover
          - dps_val: 2
            value: Motor fault
          - dps_val: 4
            value: Clean filter 1/2/3
          - dps_val: 8
            value: Replace filter 4
  - entity: button
    name: Filter 1/2/3 reset
    category: config
    dps:
      - id: 101
        type: boolean
        name: button
  - entity: select
    name: Airflow angle
    category: config
    icon: "mdi:angle-acute"
    dps:
      - id: 103
        type: string
        name: option
        mapping:
          - dps_val: "30"
            value: "30°"
          - dps_val: "60"
            value: "60°"
          - dps_val: "90"
            value: "90°"