garten-wasserzahler.yaml

esphome:
  name: garten-wasserzahler
  friendly_name: Garten Wasserzähler
  on_boot:
    then:
      - pulse_meter.set_total_pulses: # restore pulses
          id: pulse_meter_id
          value: !lambda 'return id(g_total_pulses);'
      - sensor.template.publish:  # restore today
          id: today
          state: !lambda 'return id(g_water_daily);'  

esp32:
  board: esp32dev
  framework:
    type: esp-idf

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "xxx"

ota:
  - platform: esphome
    password: "xxx"

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Garten-Wasserzahler"

captive_portal:

web_server:
  port: 80

preferences:
  flash_write_interval: 3h

globals:
  - id: g_total_pulses
    type: int
    restore_value: true
    initial_value: "1125000"
  - id: g_water_daily
    type: float
    restore_value: true
    initial_value: "0.0"

sensor:
  - platform: pulse_meter
    id: pulse_meter_id
    internal_filter: 100ms
    pin:
      number: 13 # D13
      inverted: true
      mode:
        input: true
        pullup: true # Anschluss zwischen Pin und GND
    name: "Durchfluss"
    icon: "mdi:water"
    unit_of_measurement: "L/h"
    state_class: "measurement"
    device_class: "volume_flow_rate"
    timeout: 20s
    accuracy_decimals: 0
    filters:
      - multiply: 30
    total:
      name: "Gesamt"
      id: gesamt_id
      icon: "mdi:water-circle"
      unit_of_measurement: "L"
      state_class: "total_increasing"
      device_class: "water"
      accuracy_decimals: 1
      filters:
        - multiply: 0.5
      on_raw_value: # ignore filters
        then:
          - globals.set:
              id: g_total_pulses
              value: !lambda 'return id(gesamt_id).raw_state;'
          - globals.set: # increase global today by 0.5 L per pulse
              id: g_water_daily
              value: !lambda 'return id(today).state + 0.5;'
          - sensor.template.publish: # increase today by 0.5 L per pulse
              id: today
              state: !lambda 'return id(today).state + 0.5;'
  - platform: template
    name: "Heute"
    id: today
    icon: "mdi:water-plus"
    unit_of_measurement: "L"
    device_class: "water"

time:
  - platform: homeassistant
    id: homeassistant_time
    on_time:
      # Midnight
      - seconds: 0
        minutes: 0
        hours: 0
        then:
          - sensor.template.publish: # reset today
              id: today
              state: 0
          - globals.set: # reset global today
              id: g_water_daily
              value: "0.0"