bme680 veml770.yaml

esphome:
  name: bme680
  friendly_name: BME680

esp32:
  board: esp32dev
  framework:
    type: arduino

# Enable logging
logger:

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

ota:
  - platform: esphome
    password: "xxx"

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: "xxx"

captive_portal:

web_server:
  port: 80
  
i2c:
  scl: 23
  sda: 19
  scan: true

text_sensor:
  - platform: template
    name: "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: "Temperature"
      oversampling: 16x
    pressure:
      name: "Pressure"
    humidity:
      id: "humidity"
      name: "Humidity"
    gas_resistance:
      id: "gas_resistance"
      name: "Gas Resistance"
    address: 0x77
    update_interval: 10s
  - platform: template
    name: "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;
  - platform: veml7700
    address: 0x10
    update_interval: 10s
    ambient_light: "Ambient light"