ikea_aq_v2.yaml

substitutions:
  name: xxxxxxxxx  ## Location & Entity Names (Capitals and Spaces Allowed)
  ap_id: xxxxxxxxxx  ## Entity ID for the Fan (E.G. IKEA Air Filter)
  auto_enable: xxxxxxxxxxx  ## Home Assistant Entity to Enable Automation
  af_speeds: '6'   ## Fan Speeds [MUST BE IN QUOTES]
  pms_low: '40'    ## 2.5µm Count for Fan Off [MUST BE IN QUOTES]
  pms_high: '400'  ## 2.5µm Count for Fan MAX [MUST BE IN QUOTES]

esphome:
  name: studio-air-quality
  platform: ESP8266
  board: d1_mini

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

api:

ota:
logger:
  logs:
    sensor: none
    binary_sensor: none
    homeassistant.binary_sensor: none
    pm1006: none
    ccs811: none

## Serial Port for the IKEA Sensor
uart:
  - rx_pin: D7
    # tx_pin: D8
    baud_rate: 9600

i2c:
  ## I²C Port - For Temp/Humidity/Pressure & CO²/VOC Sensors
  sda: D1
  scl: D2
  scan: true
  id: bus_a

binary_sensor:
  ## Reads On/Off State from HA
  - platform: homeassistant
    entity_id: $auto_enable
    id: enable_automation
  
  ## Use the on-board LED to show "Fan Running"
  - platform: gpio
    name: $name Fan
    id: fan
    pin:
      number: D4
      inverted: true

  ## Brightness Sensor for HA Automations
  - platform: template
    name: $name Bright
    id: bright

sensor:
  ## IKEA PMS 2.5µg Sensor
  - platform: pm1006
    id: aq_sensor
    pm_2_5:
      name: $name 2.5µg
      on_value:
        - if:
            condition:
              - binary_sensor.is_off: enable_automation
            then:
              - homeassistant.service:
                  service: number.set_value
                  data:
                    entity_id: $ap_id
                    value: !lambda |-
                      auto range = (x - $pms_low) / ($pms_high - $pms_low) * $af_speeds;
                      auto value = (x < $pms_low) ? 0 : (range > $af_speeds) ? $af_speeds : range;
                      return ceil(value);
            else:
              # If the "$auto_enable" binary sensor is on, set the fan speed to 0
              - homeassistant.service:
                  service: number.set_value
                  data:
                    entity_id: $ap_id
                    value: '0'
  
  ## CO²/VOC Sensor
  - platform: ccs811
    eco2:
      name: $name CO²
      accuracy_decimals: 0
    tvoc:
      name: $name T-VOC
      accuracy_decimals: 0
    address: 0x5A
    update_interval: 10s
    temperature: bme_temp
    humidity: bme_humi
    ## After Calibration, Uncomment and change "baseline:"
    baseline: xxxxxx

  ## Temp/Humidity/Pressure Sensor
  - platform: bme280_i2c
    temperature:
      name: $name Temperature
      id: bme_temp
      oversampling: 4x
    humidity:
      name: $name Humidity
      id: bme_humi
      oversampling: 4x
    pressure:
      name:  $name Pressure
      id: bme_press
      oversampling: 4x
    iir_filter: 16x
    address: 0x76
    update_interval: 10s

  ## The IKEA Light Level Sensor
  - platform: adc
    id: light_sensor
    pin: A0
    update_interval: 1s
    ## Check the value and turn On/Off our Binary Sensor
    on_value:
      - lambda: !lambda |
          if (x > 0.01) {
            id(bright).publish_state(true);
            } else {
              id(bright).publish_state(false);
              }