sensor:
  - platform: adc
    id: "water_adc"
    pin: A0
    update_interval: 1s

binary_sensor:
  - platform: template
    name: "PetDispenser Water"
    device_class: problem
    lambda: |-
      return id(water_adc).state > 0.2;
    filters:
      - delayed_on: 3s
      - delayed_off: 1s
  - platform: gpio
    name: "PetDispenser Filter"
    device_class: problem
    pin:
      number: D0
      mode: INPUT_PULLDOWN_16
    filters:
      - delayed_on: 3s
      - delayed_off: 1s