ESPHome configuration for Vindriktning ESP32 kit https://www.laskakit.cz/laskakit-esp-vindriktning-esp-32-i2c/

air-quality.yaml

substitutions:
  device_name: air-quality
  wifi_ssid: !secret wifi_ssid
  wifi_password: !secret wifi_password
  api_password: !secret api_password
  ota_password: !secret ota_password

esphome:
  name: ${device_name}
  comment: IKEA LaskaKit ESP-VINDRIKTNING ESP-32 I2C

esp32:
  board: nodemcu-32s
  framework:
    type: arduino

wifi:
  ssid: ${wifi_ssid}
  password: ${wifi_password}
api:
  password: ${api_password}
ota:
  password: ${ota_password}

logger:

uart:
  rx_pin: 16
  tx_pin: 17
  baud_rate: 9600
  id: uart2

sensor:
  - platform: pm1006
    pm_2_5:
      name: "Particulate Matter 2.5µm Concentration"
      id: pm
      accuracy_decimals: 1
      on_value:
        then:
        - if:
            condition:
              lambda: 'return x < 30;'
            then:
              - light.addressable_set:
                  id: status
                  range_from: 0
                  range_to: 0
                  red: 0.0
                  green: 1.0
                  blue: 0.0
                  color_brightness:  !lambda |-
                    return id(sun_elevation).state > 0 ? 1.0 : 0.5;
            else:
            - if:
                condition:
                  lambda: 'return x > 90;'
                then:
                - light.addressable_set:
                    id: status
                    range_from: 0
                    range_to: 0
                    red: 1.0
                    green: 0.0
                    blue: 0.0
                    color_brightness:  !lambda |-
                      return id(sun_elevation).state > 0 ? 1.0 : 0.5;
                else:
                - light.addressable_set:
                    id: status
                    range_from: 0
                    range_to: 0
                    red: 1.0
                    green: 0.72
                    blue: 0.0
                    color_brightness:  !lambda |-
                      return id(sun_elevation).state > 0 ? 1.0 : 0.5;
    uart_id: uart2
    update_interval: 20s
  - platform: scd4x
    co2:
      name: "CO2"
      id: co2
      on_value:
        then:
        - if:
            condition:
              lambda: 'return x < 1000;'
            then:
              - light.addressable_set:
                  id: status
                  range_from: 1
                  range_to: 1
                  red: 0.0
                  green: 1.0
                  blue: 0.0
                  color_brightness:  !lambda |-
                    return id(sun_elevation).state > 0 ? 1.0 : 0.5;
            else:
            - if:
                condition:
                  lambda: 'return x > 1500;'
                then:
                - light.addressable_set:
                    id: status
                    range_from: 1
                    range_to: 1
                    red: 1.0
                    green: 0.0
                    blue: 0.0
                    color_brightness:  !lambda |-
                      return id(sun_elevation).state > 0 ? 1.0 : 0.5;
                else:
                - light.addressable_set:
                    id: status
                    range_from: 1
                    range_to: 1
                    red: 1.0
                    green: 0.72
                    blue: 0.0
                    color_brightness:  !lambda |-
                      return id(sun_elevation).state > 0 ? 1.0 : 0.5;
    humidity:
      name: "Humidity"    
      id: humidity
      on_value:
        then:
        - if:
            condition:
              lambda: 'return x < 30;'
            then:
              - light.addressable_set:
                  id: status
                  range_from: 2
                  range_to: 2
                  red: 1.0
                  green: 0.0
                  blue: 0.0
                  color_brightness:  !lambda |-
                    return id(sun_elevation).state > 0 ? 1.0 : 0.5;
            else:
            - if:
                condition:
                  lambda: 'return x > 60;'
                then:
                - light.addressable_set:
                    id: status
                    range_from: 2
                    range_to: 2
                    red: 0.0
                    green: 0.0
                    blue: 1.0
                    color_brightness:  !lambda |-
                      return id(sun_elevation).state > 0 ? 1.0 : 0.5;
                else:
                - light.addressable_set:
                    id: status
                    range_from: 2
                    range_to: 2
                    red: 0.0
                    green: 1.0
                    blue: 0.0
                    color_brightness:  !lambda |-
                      return id(sun_elevation).state > 0 ? 1.0 : 0.5;
  - platform: homeassistant
    id: sun_elevation
    entity_id: sun.sun
    attribute: elevation
  - platform: wifi_signal
    name: "Air quality WiFi Signal Sensor"
    entity_category: diagnostic
    disabled_by_default: true
    update_interval: 60s

switch:
  - platform: gpio
    pin: 12
    id: fan
    restore_mode: ALWAYS_ON
    disabled_by_default: true
    entity_category: diagnostic
  
light:
  - platform: neopixelbus
    type: GRB
    variant: WS2812
    pin: GPIO25
    num_leds: 3
    id: status
    restore_mode: ALWAYS_ON

i2c:
  sda: 21
  scl: 22
  scan: true
  id: bus_a

button:
  - platform: restart
    name: "Restart ${device_name}"
    disabled_by_default: true
    entity_category: diagnostic