BME680 Air Quality Sensor

BME680 Air Quality Sensor.yaml

esphome:
  name: bme680
  friendly_name: Air Quality Sensor

esp8266:
  board: d1_mini

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
  # If you go to this page it generates one for you automatically!
  # https://esphome.io/components/api.html#configuration-variables
    key: "Generate a key and put it here"

ota:
  password: "randomsecurepassword"

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "BME680 Fallback Hotspot"
    password: "randompassword"

captive_portal:

i2c:
  scl: D1
  sda: D2
  scan: true
  id: bus_a

text_sensor:

  - platform: template
    name: "BME680 IAQ Classification"
    icon: "mdi:checkbox-marked-circle-outline"
    lambda: |-
      if (int(id(iaq).state) <= 50) {
        return {"Excellent"};
      }
      else if (int(id(iaq).state) <= 100) {
        return {"Good"};
      }
      else if (int(id(iaq).state) <= 150) {
        return {"Lightly polluted"};
      }
      else if (int(id(iaq).state) <= 200) {
        return {"Moderately polluted"};
      }
      else if (int(id(iaq).state) <= 250) {
        return {"Heavily polluted"};
      }
      else if (int(id(iaq).state) <= 350) {
        return {"Severely polluted"};
      }
      else if (int(id(iaq).state) <= 500) {
        return {"Extremely polluted"};
      }
      else {
        return {"unknown"};
      }

sensor:

  - platform: bme680
    temperature:
      name: "BME680 Temperature"
      oversampling: 16x
    pressure:
      name: "BME680 Pressure"
    humidity:
      id: "humidity"
      name: "BME680 Humidity"
    gas_resistance:
      id: "gas_resistance"
      name: "BME680 Gas Resistance"
    address: 0x77
    update_interval: 60s
  - platform: template
    name: "BME680 Indoor Air Quality"
    id: iaq
    icon: "mdi:gauge"
    # caulculation: comp_gas = log(R_gas[ohm]) + 0.04 log(Ohm)/%rh * hum[%rh]
    lambda: |-
      return log(id(gas_resistance).state) + 0.04 *  id(humidity).state;

  # VL53L0X Distance Sensor
  # Comment this section out if just using the BME680 sensor.
  # This section is here because this sensor was also in the same YouTube video.
  - platform: vl53l0x
    name: "Distance Sensor"
    id: distance1
    i2c_id: bus_a
    address: 0x29
    # enable_pin: GPIO14
    timeout: 200us
    update_interval: 500ms
    unit_of_measurement: "m"
    long_range: false
    internal: false
    # filters:
    # - clamp:
    #     min_value: 10
    #     max_value: 75
    #     ignore_out_of_range: true