config.yaml

substitutions:
  ....

esphome:
  name: ${name}
  friendly_name: "${device_name}"
  comment: "${device_name} by ${device_make}"
  project:
    name: "${device_make}.${device_name}"
    version: "${sw_version}"

esp8266:
  board: esp01_1m

logger:
  level: DEBUG

# Enable Home Assistant API
api:
  encryption:
    key: "..."

ota:
  password: "..."

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

captive_portal:

i2c:
  id: bus_a
  sda: GPIO4
  scl: GPIO5
  scan: false

uart:
  id: uart_a
  tx_pin: GPIO15
  rx_pin: GPIO0
  baud_rate: 9600

light:
  - platform: status_led
    name: "ESP Status LED"
    pin: GPIO2
    entity_category: config

sensor:
  - platform: uptime
    name: Uptime
    id: sys_uptime
    update_interval: ${general_update_interval}

  - platform: wifi_signal
    name: "${device_name} WiFi Signal"
    update_interval: ${general_update_interval}

  # PMS5003 https://esphome.io/components/sensor/pmsx003.html
  - platform: pmsx003
    type: PMSX003
    uart_id: uart_a
    pm_1_0:
      id: pm1
      name: "PM 1.0µm"
      device_class: pm1  # Added to report properly to HomeKit
    pm_2_5:
      id: pm2
      name: "PM 2.5µm"
      device_class: pm25  # Added to report properly to HomeKit
    pm_10_0:
      id: pm10
      name: "PM 10µm"
      device_class: pm10  # Added to report properly to HomeKit
    update_interval: ${pms_update_interval}

  - platform: sht3xd
    id: sht3xd_sensor
    address: ${sht30_addr}
    temperature:
      id: temperature
      name: "Temperature"
      accuracy_decimals: 1
      filters:
        - offset: ${temperature_offset}
        - lambda: "return x + id(temperature_offset_ui).state;"
    humidity:
      id: humidity
      name: "Humidity"
      accuracy_decimals: 1
      filters:
        - offset: ${humidity_offset}
        - lambda: "return x + id(humidity_offset_ui).state;"
    update_interval: ${general_update_interval}

  - platform: scd4x
    address: ${scd40_addr}
    i2c_id: bus_a
    id: scd4x_sensor
    co2:
      id: co2
      name: "CO2"
    automatic_self_calibration: false
    update_interval: ${general_update_interval}

  - platform: bh1750
    name: Illuminance
    id: illuminance_sensor
    address: ${illuminance_addr}
    update_interval: ${illuminance_update_interval}

number:
  .......

button:
  - platform: restart
    name: "Restart"
    entity_category: config

  - platform: factory_reset
    name: ${device_name} Factory Reset
    icon: "mdi:restart-alert"
    entity_category: config
    disabled_by_default: true

text_sensor:
  - platform: template
    name: "${device_name} Config Version"
    lambda: return {"${sw_version}"};
    icon: "mdi:tag"
    entity_category: diagnostic

  - platform: wifi_info
    ip_address:
      id: ip_address
      name: "${device_name} IP Address"
      icon: "mdi:wan"