water-meter.yaml

esphome:
  name: water-meter

esp8266:
  board: d1_mini
  restore_from_flash: true

# Enable logging
logger:

web_server:
  port: 80
  ota: false

# Enable Home Assistant API
api:
  encryption:
    key: "Iq9Ra08fClC04eo5pLMP+13+rkvFZ1K93D3YyOtehVA="

ota:
  password: "d05d9fd7a1fc71d6e6f99398b47969a9"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Water-Meter Fallback Hotspot"
    password: "xxxxx"

captive_portal:
    
binary_sensor:
  - platform: gpio
    id: internal_pulse_counter
    name: Pulse sensor
    internal: true
    pin:
      number: D2
      inverted: true
      mode:
        input: true
        pullup: true
    on_press:
      - then:
          - number.increment: water_meter_pulses
          - component.update: water_meter_total

number:
  - platform: template
    id: water_meter_pulses
    name: Pulses
    min_value: 0
    max_value: 1000
    step: 1
    optimistic: true
    restore_value: true
    on_value_range:
      above: 1000
      then:
        - number.increment: water_meter_reading
        - number.to_min: water_meter_pulses
        - component.update: water_meter_total
  - platform: template
    id: water_meter_reading
    name: Reading
    icon: mdi:water
    unit_of_measurement: m3
    min_value: 0
    max_value: 99999
    step: 1
    optimistic: true
    restore_value: true
        

sensor:
  - platform: template
    id: water_meter_total
    name: Total
    state_class: "total_increasing"
    icon: mdi:water
    unit_of_measurement: m3
    accuracy_decimals: 3
    lambda: return id(water_meter_reading).state + (id(water_meter_pulses).state * 0.001);