piggymeter-s2-sml.yaml

# Configuration for SML meters
# for ESPHome version 2024.6.1

substitutions:
  name: piggymeter-s2-sml
  variant: esp32s2
  board: lolin_s2_mini
  tx_pin: GPIO12
  rx_pin: GPIO11

esphome:
  name: ${name}
  comment: "PiggyMeter SML"

esp32:
  variant: ${variant}
  board: ${board}
  framework:
    type: esp-idf

logger:
  level: DEBUG
  # level: INFO

wifi:
  networks:
    - ssid: !secret wifi_ssid
      password: !secret wifi_pass
  # Optional domain
  # domain: .lan
  
api:
  encryption:
    key: !secret api_key

ota:
  password: !secret ota_pass
  platform: esphome


# Check what UART settings are needed for your meter
# Usually 9600 8N1 or 9600 7E1
uart:
  - id: sml_uart
    rx_pin: ${rx_pin}
    tx_pin: ${tx_pin}
    baud_rate: 9600
    data_bits: 7
    parity: EVEN
    stop_bits: 1

sml:
  id: sml_meter
  uart_id: sml_uart

# Example sensor for total energy
sensor:
  - platform: sml
    name: "Total energy"
    sml_id: sml_meter
    server_id: "0123456789abcdef"
    obis_code: "1-0:1.8.0"
    unit_of_measurement: kWh
    accuracy_decimals: 1
    device_class: energy
    state_class: total_increasing
    filters:
      - multiply: 0.0001

# See https://esphome.io/components/sml.html
# for more information on how to configure sensors