my_esphome_energymonitor

esphome:
  name: "esphome-energymonitor-1"
  friendly_name: EnergyMonitor_1
  on_boot:
    then:
    - pulse_meter.set_total_pulses:
        id: count
        value: !lambda "return id(total_pulses);"

esp8266:
  board: nodemcuv2
  restore_from_flash: true

globals:
  - id: total_pulses
    type: float
    restore_value: yes

logger:


ota:


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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Esphome-Web-fafafa"
    password: "fafafa"

captive_portal:

mqtt:
  broker: 10.11.12.13
  port: 1883
  username: admin
  password: !secret mqtt_password
  discovery: true
  on_connect:
    - mqtt.publish:
        topic: energymonitorstatus
        payload: online
        retain: true
  # topic_prefix: esphome/energymonitor/01
  birth_message:
    topic: energymonitorstatus
    payload: online
    retain: true
  will_message:
    topic: energymonitorstatus
    payload: offline
    retain: true
  on_message:
    topic: total
    then:
      - pulse_meter.set_total_pulses:
          id: count
          value: !lambda "return atof(x.c_str()) / 0.0003125;"


preferences:
  flash_write_interval: 5min

sensor:
  - platform: pulse_meter
    pin: D7
    unit_of_measurement: 'kW'
    name: 'Electricity Usage'
    id: count
    internal_filter: 100ms
    accuracy_decimals: 3
    retain: true
    filters:
      - multiply: 0.01875 #=1/(3200/60)
    on_value:
      - mqtt.publish:
          topic: esphome/energymonitor/01/count
          payload: !lambda |-
            return to_string(id(count).state);
    total:
      name: "Electricity Total"
      id: total
      unit_of_measurement: "kWh"
      accuracy_decimals: 3
      filters:
        - multiply: 0.0003125 #=1/3200
      retain: true
      on_value:
        - mqtt.publish:
            retain: true
            topic: esphome/energymonitor/01/total
            payload: !lambda |-
              id(total_pulses) = id(total).raw_state;
              return to_string(id(total).state);