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

name: Pet fountain
products:
  - id: akln8rb04cav403q
    manufacturer: Kanchou
entities:
  - entity: switch
    icon: "mdi:paw"
    dps:
      - id: 1
        type: boolean
        optional: true
        name: switch
  - entity: select
    name: Mode
    icon: "mdi:paw"
    category: config
    dps:
      - id: 2
        type: string
        name: option
        mapping:
          - dps_val: normal
            value: Normal
          - dps_val: night
            value: Night
  - entity: sensor
    name: Filter remaining
    icon: "mdi:air-filter"
    class: duration
    category: diagnostic
    dps:
      - id: 3
        type: integer
        name: sensor
        unit: d
        class: measurement
  - entity: sensor
    name: Pump cleaning due
    icon: "mdi:pump"
    class: duration
    category: diagnostic
    dps:
      - id: 4
        type: integer
        name: sensor
        unit: d
        class: measurement
  - entity: button
    translation_key: filter_reset
    category: config
    dps:
      - id: 5
        type: boolean
        optional: true
        name: button
  - entity: button
    name: Pump clean reset
    icon: "mdi:pump"
    category: config
    dps:
      - id: 6
        type: boolean
        optional: true
        name: button
  - entity: number
    name: Filter change interval
    category: config
    icon: "mdi:air-filter"
    dps:
      - id: 7
        type: integer
        name: value
        optional: true
        unit: d 
        range:
          min: 0
          max: 30
  - entity: number
    name: Pump clean interval
    category: config
    icon: "mdi:pump"
    dps:
      - id: 8
        type: integer
        optional: true
        name: value
        unit: d
        range:
          min: 0
          max: 15
  - entity: sensor
    class: volume_storage
    translation_key: water_level
    dps:
      - id: 102
        type: integer
        name: sensor
        unit: mL
        class: measurement
      - id: 9
        type: string
        optional: true
        name: status
        mapping:
          - dps_val: low
            value: low
          - dps_val: middle
            value: medium
          - dps_val: high
            value: high
      - id: 10
        type: integer
        optional: true
        name: percent
  - entity: sensor
    class: volume
    name: Water consumption
    category: diagnostic
    dps:
      - id: 22
        type: integer
        name: sensor
        unit: mL
        class: measurement
  - entity: binary_sensor
    class: problem
    category: diagnostic
    dps:
      - id: 23
        type: bitfield
        optional: true
        name: sensor
        mapping:
          - dps_val: 0
            value: false
          - dps_val: 1
            value: false
          - dps_val: null
            value: false
          - value: true
      - id: 23
        type: bitfield
        optional: true
        name: fault_code
      - id: 23
        type: bitfield
        optional: true
        name: description
        mapping:
          - dps_val: 0
            value: ok
          - dps_val: 1
            value: tank_empty
          - dps_val: 2
            value: filter_used
          - dps_val: 4
            value: pump_dirty
          - dps_val: 8
            value: battery_low
          - dps_val: 16
            value: pump_blocked