kamstrup-382lx7.yaml

##
#
# Kamstrup 382Lx7 Meter reader through IR eye from https://wiki.hal9k.dk/projects/kamstrup
#
# Code based on https://github.com/Hal9k-dk/kamstrup/tree/master/Software%20eksempler/kamstrup_powermeter
#
# Free to use for any non-commercial purposes.
# 


##
# Change the values here, or the lookup key in your secrets.yaml file
# See: https://esphome.io/guides/faq.html#how-do-i-use-my-home-assistant-secrets-yaml

substitutions:
  device_description: "Measure your energy consumption using an IR eye on a Kamstrup 382Lx7 energy meter"
  
  # WIFI
  wifi_name: !secret wifi_ssid
  wifi_pass: !secret wifi_password

  # Displayed in HA frontend
  friendly_name: "Kamstrup 382Lx7 Energy Meter"
  friendly_short: "K382Lx7"

esphome:
  name: kamstrup-382lx7
  platform: ESP32
  board: nodemcu-32s
  includes:
    - k382lx7.h

# Enable Home Assistant API
api:
  password: !secret esphome_api_password

# See: https://esphome.io/components/wifi.html
# Domain added in order to ensure correct DNS resolution
wifi:
  ssid: ${wifi_name}
  password: ${wifi_pass}
  domain: '.rg47c.lan'

# Enable logging
logger:

ota:
  # See: https://esphome.io/components/ota.html
  password: "verySecret"
  
#
# See: https://esphome.io/components/web_server.html
# Simple debug log + states + FW upload
web_server:
  port: 80

uart:
  # UART2: GPIO16 is espRX and GPIO17 is espTX
  id: uart_bus
  tx_pin: 17
  rx_pin: 16
  # The Kamstrup 382Lx7 uses 9600 8N1 on the IR serial port
  baud_rate: 9600

binary_sensor:
  # A "connected?" status sensor that - as long as sensor + mqtt + HA are working -
  #   will always display "true". Allows for easy detection of sensor failure from HA
  # See: https://esphome.io/components/binary_sensor/status.html
  - platform: status
    name: "${friendly_name} Status"

sensor:
  # A measurement that is useful for detecting wifi reception problems
  # Make sure to set HA to retain this data for a very short time!
  #
  # See: https://community.home-assistant.io/t/iron-gate-sensor/97656/6
  - platform: wifi_signal
    name: "${friendly_name} Wifi Signal"
    update_interval: 5s
    filters:
      - sliding_window_moving_average:
          # hold 15 measurements, taken every 5 seconds
          window_size: 15
          # every 15 seconds, send the updated result..
          send_every: 15

  # See: https://esphome.io/custom/custom_component.html
  - platform: custom
    lambda: |-
      auto k382Lx7 = new K382Lx7(id(uart_bus));
      App.register_component(k382Lx7);
      return {
        k382Lx7->totEnergyIn_sensor, 
        k382Lx7->totEnergyOut_sensor, 
        k382Lx7->EnergyInHiRes_sensor, 
        k382Lx7->EnergyOutHiRes_sensor, 
        k382Lx7->CurrentPowerIn_sensor, 
        k382Lx7->PowerP1In_sensor,
        k382Lx7->PowerP2In_sensor,
        k382Lx7->PowerP3In_sensor,
        k382Lx7->CurrentPowerOut_sensor, 
        k382Lx7->PowerP1Out_sensor,
        k382Lx7->PowerP2Out_sensor,
        k382Lx7->PowerP3Out_sensor,
        k382Lx7->CurrentP1_sensor, 
        k382Lx7->CurrentP2_sensor,
        k382Lx7->CurrentP3_sensor,
        k382Lx7->MaxPower_sensor,
        k382Lx7->VoltageP1_sensor, 
        k382Lx7->VoltageP2_sensor,
        k382Lx7->VoltageP3_sensor
      };

    sensors:
      - name: "${friendly_short} Total Energy In"
        unit_of_measurement: "kWh"
        device_class: energy
        accuracy_decimals: 2
        state_class: total_increasing
      - name: "${friendly_short} Total Energy Out"
        unit_of_measurement: "kWh"
        device_class: energy
        accuracy_decimals: 2
        state_class: total_increasing
      - name: "${friendly_short} Energy In HiRes"
        unit_of_measurement: "kWh"
        accuracy_decimals: 3
        device_class: energy
        state_class: total_increasing
      - name: "${friendly_short} Energy Out HiRes"
        unit_of_measurement: "kWh"
        accuracy_decimals: 3
        device_class: energy
        state_class: total_increasing
      - name: "${friendly_short} Current Power In"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Power P1 In"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Power P2 In"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Power P3 In"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Current Power Out"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Power P1 Out"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Power P2 Out"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Power P3 Out"
        unit_of_measurement: "kW"
        accuracy_decimals: 2
        device_class: power
      - name: "${friendly_short} Current P1"
        unit_of_measurement: "A"
        accuracy_decimals: 2
        device_class: current
      - name: "${friendly_short} Current P2"
        unit_of_measurement: "A"
        accuracy_decimals: 2
        device_class: current
      - name: "${friendly_short} Current P3"
        unit_of_measurement: "A"
        accuracy_decimals: 2
        device_class: current
      - name: "${friendly_short} Max Power"
        unit_of_measurement: "kWh"
        accuracy_decimals: 2
        device_class: energy
      - name: "${friendly_short} Voltage P1"
        unit_of_measurement: "V"
        device_class: voltage
        accuracy_decimals: 2
      - name: "${friendly_short} Voltage P2"
        unit_of_measurement: "V"
        accuracy_decimals: 2
        device_class: voltage
      - name: "${friendly_short} Voltage P3"
        unit_of_measurement: "V"
        accuracy_decimals: 2
        device_class: voltage