ce303.yaml

esphome:
  name: energy-counter
  friendly_name: energy_counter

esp8266:
  board: nodemcuv2

logger:
  level: DEBUG

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

external_components:
  - source: github://latonita/esphome-energomera-iec
    refresh: 10s
    components: [energomera_iec]

uart:
    rx_pin: D5
    tx_pin: D6
    baud_rate: 9600
    data_bits: 7
    parity: EVEN
    stop_bits: 1
    rx_buffer_size: 512

energomera_iec:
  id: ce303
  address: 123456789
  update_interval: 10s
#  delay_between_requests: 50ms
#  receive_timeout: 500ms

sensor:
  - platform: energomera_iec
    request: ET0PE()
    index: 1
    name: Energy
    unit_of_measurement: kWh
    accuracy_decimals: 3
    device_class: energy
    state_class: total_increasing

  - platform: energomera_iec
    request: ET0PE()
    index: 2
    name: Energy T1
    unit_of_measurement: kWh
    accuracy_decimals: 3
    device_class: energy
    state_class: total_increasing

  - platform: energomera_iec
    request: ET0PE()
    index: 3
    name: Energy T2
    unit_of_measurement: kWh
    accuracy_decimals: 3
    device_class: energy
    state_class: total_increasing

  - platform: energomera_iec
    name: Current Phase A
    request: CURRE()
    index: 1
    unit_of_measurement: A
    accuracy_decimals: 3
    device_class: current
    state_class: measurement

  - platform: energomera_iec
    name: Current Phase B
    request: CURRE()
    index: 2
    unit_of_measurement: A
    accuracy_decimals: 3
    device_class: current
    state_class: measurement

  - platform: energomera_iec
    name: Current Phase C
    request: CURRE()
    index: 3
    unit_of_measurement: A
    accuracy_decimals: 3
    device_class: current
    state_class: measurement

  - platform: energomera_iec
    name: Voltage Phase A
    request: VOLTA()
    index: 1
    unit_of_measurement: V
    accuracy_decimals: 3
    device_class: voltage
    state_class: measurement

  - platform: energomera_iec
    name: Voltage Phase B
    request: VOLTA()
    index: 2
    unit_of_measurement: V
    accuracy_decimals: 3
    device_class: voltage
    state_class: measurement

  - platform: energomera_iec
    name: Voltage Phase C
    request: VOLTA()
    index: 3
    unit_of_measurement: V
    accuracy_decimals: 3
    device_class: voltage
    state_class: measurement

  - platform: energomera_iec
    name: Active Power
    request: POWEP()
    index: 1
    unit_of_measurement: kW
    accuracy_decimals: 3
    device_class: power
    state_class: measurement

  - platform: energomera_iec
    name: Active Power Phase A
    request: POWPP()
    unit_of_measurement: kW
    accuracy_decimals: 3
    index: 1
    device_class: power
    state_class: measurement

  - platform: energomera_iec
    name: Active Power Phase B
    request: POWPP()
    unit_of_measurement: kW
    accuracy_decimals: 3
    index: 2
    device_class: power
    state_class: measurement

  - platform: energomera_iec
    name: Active Power Phase C
    request: POWPP()
    unit_of_measurement: kW
    accuracy_decimals: 3
    index: 3
    device_class: power
    state_class: measurement

text_sensor:
  - platform: energomera_iec
    name: Serial Number
    request: SNUMB()
    entity_category: diagnostic

  - platform: energomera_iec
    name: Time
    request: TIME_()
    entity_category: diagnostic

  - platform: energomera_iec
    name: Date
    request: DATE_()
    entity_category: diagnostic
    filters:
      - lambda: |-
          std::string str{x};
          str.erase(0,3);
          str.insert(6,"20");
          return str;