energy.yaml

substitutions:
  device_name: energy
  friendly_name: Verbrauch
  project_version: "1.2.0"
  device_description: "Measure your electricity consumption with the pulse LED on your smart meter and gas consumption with reed contact on your gas meter"

  # Define the GPIO pins
  pulse_pin_gas: GPIO5          #D1
  pulse_pin_electricity: GPIO4  #D2
  status_led: GPIO2             #D4 onboard LED
  led_pin_electricity: GPIO12   #D6
  led_pin_gas: GPIO13           #D7

  # Webserver credentials #
  web_username: 'energy'
  web_password: !secret web_password

dashboard_import:
  package_import_url: github://akula3/energy/energy.yaml

esphome:
  name: '${device_name}'
  comment: '${device_description}'
  project:
    name: "akula3.energy"
    version: "${project_version}"

# Choose the right Platform
# esp32: https://esphome.io/components/esp32.html
# esp8266: https://esphome.io/components/esp8266.html
esp8266:
  board: d1_mini

# WiFi credentials #
wifi:
  ssid: !secret wifi_ssid       # Enter your WiFi SSID here. Example: `ssid: 'your_network_name'`
  password: !secret wifi_password   # Enter your wifi password here. Example: `password: 'abcde123456'`

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: '${device_name}'

captive_portal:

# Enable logging
logger:

# Enable improv over serial
#improv_serial:

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_encryption_key

ota:
  password: !secret ota_password
  safe_mode: true
  reboot_timeout: 10min
  num_attempts: 5

web_server:
  port: 80
  auth:
    username: '${web_username}'
    password: '${web_password}'

# Sensors for ESP version and WIFI information
text_sensor:
  # Installed version
  - platform: template
    name: "${device_name} - Installed version"
    id: energy_version
    icon: "mdi:label-outline"
    entity_category: diagnostic
    lambda: |-
      return {"${project_version}"};
    update_interval: 6h
  # ESPHome version
  - platform: version
    hide_timestamp: true
    name: '${device_name} - ESPHome Version'
  # IP address and connected SSID
  - platform: wifi_info
    ip_address:
      name: '${device_name} - IP Address'
      icon: mdi:wifi
    ssid:
      name: '${device_name} - Connected SSID'
      icon: mdi:wifi-strength-2

output:
  - platform: gpio
    pin: ${led_pin_electricity}
    id: output_electricity
  - platform: gpio
    pin: ${led_pin_gas}
    id: output_gas

# Status LED for connection
status_led:
  pin:
    # Blue LED
    number: ${status_led}

button:
  # Restart the ESP
  - platform: restart
    name: "${device_name} - Restart Device"
  
globals:
# Electricity pulse rate, imp/kWh
  - id: electricity_pulse_rate
    type: int
    restore_value: true
    initial_value: '500'
# Gas Puls rate, imp/m³
  - id: gas_pulse_rate
    type: int
    restore_value: true
    initial_value: '100'

binary_sensor:
  - platform: gpio
    id: internal_pulse_counter_electricity
    pin:
      number: ${pulse_pin_electricity}
      inverted: true
    name: "Strom Live-Impuls"
    filters:
      - delayed_on: 10ms
    on_press:
      then:
        - output.turn_on: output_electricity
    on_release:
      then:
        - output.turn_off: output_electricity
  - platform: gpio
    id: internal_pulse_counter_gas
    pin:
      number: ${pulse_pin_gas}
      mode: INPUT_PULLUP
      inverted: true
    name: "Gas Live-Impuls"
    filters:
      - delayed_on: 10ms
    on_press:
      then:
        - output.turn_on: output_gas
    on_release:
      then:
        - output.turn_off: output_gas

sensor:
  # WiFi signal
  - platform: wifi_signal
    name: "${device_name} - WiFi Signal"
    update_interval: 120s

  # Electricity Pulse meter
  - platform: pulse_meter
    name: 'Strom ${friendly_name}'
    id: sensor_electricity_pulse_meter
    unit_of_measurement: 'W'
    state_class: measurement
    device_class: power
    icon: mdi:flash-outline
    accuracy_decimals: 0
    pin: ${pulse_pin_electricity}
    # internal_filter: 100ms
    filters:
      # multiply value = (60 / imp value) * 1000
      # - multiply: 60
      - lambda: |-
          return x * ((60.0 / id(electricity_pulse_rate)) * 1000.0);
    total:
      name: 'Strom ${friendly_name} gesamt'
      id: sensor_electricity_total_energy
      unit_of_measurement: 'kWh'
      icon: mdi:circle-slice-3
      state_class: total_increasing
      device_class: energy
      accuracy_decimals: 3
      filters:
        # multiply value = 1 / imp value
        # - multiply: 0.002
        - lambda: |-
            return x * (1.0 / id(electricity_pulse_rate));

  # Gas Pulse meter
  - platform: pulse_meter
    name: 'Gas ${friendly_name}'
    id: sensor_gas_pulse_meter
    unit_of_measurement: 'm³/h'
    state_class: measurement
    device_class: gas
    icon: mdi:fire
    accuracy_decimals: 2
    pin:
      number: ${pulse_pin_gas}
      mode: INPUT_PULLUP
      inverted: true
    internal_filter_mode: PULSE
    internal_filter: 500ms
    filters:
      # multiply value = 60 / imp value
      # - multiply: 60
      - lambda: |-
          return x * (60.0 / id(gas_pulse_rate));
    total:
      name: 'Gas ${friendly_name} gesamt'
      id: sensor_gas_total_energy
      unit_of_measurement: 'm³'
      icon: mdi:circle-slice-3
      state_class: total_increasing
      device_class: gas
      accuracy_decimals: 2
      filters:
        # multiply value = 1 / imp value
        # - multiply: 0.01
        - lambda: |-
            return x * (1.0 / id(gas_pulse_rate));

# Enable time component to reset energy at midnight
# https://esphome.io/components/time.html#home-assistant-time-source
time:
  - platform: homeassistant
    id: homeassistant_time