esphome:
  name: watermeter
  friendly_name: "Water meter"
  area: "Laundry"

  project:
    name: dasfoo.watermeter
    version: "1.0"

packages:
  device_base: !include templates/esp8266.yaml
  sensor: !include templates/esp8266-vcc.yaml

sensor:
  - platform: pulse_meter
    # Our meter (USLC/20) is rated Qmax=5.0 (m3/h).
    # The official one is rated 5.0.
    #
    # 3600 / 5000 = 0.72 seconds per liter. That's the shortest
    # pulse length at a maximum flow rate for the meter.
    internal_filter: 720ms
    # Assuming Qmin=50 (l/h), a flow with >72 seconds between pulses
    # is beyond the measuring capabilities. However, one of the
    # irrigation valves only consumes 0.73 L/min, so we push it a bit.
    timeout: 90s

    pin:
      number: D2
      inverted: true
      mode:
        input: true
        pullup: true

    name: "Incoming water flow"
    unit_of_measurement: "L/min"
    device_class: volume_flow_rate
    state_class: "measurement"
    icon: mdi:pipe-valve # device_class?

    total:
      name: "Incoming water total"
      unit_of_measurement: "L"
      device_class: "water"
      state_class: "total_increasing"