Data Collection Components for Total Solar Eclipse using ESPHOME and Home Assistant

light-measurement.yaml

esphome:
  name: light-measurement
  friendly_name: light-measurement

esp32:
  board: esp32dev
  framework:
    type: arduino

# Enable logging
logger:
  level: DEBUG
  
# Enable Home Assistant API
api:
  encryption:
    key: "[private]"

ota:
  password: "[private]"

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Light-Measurement"
    password: "[private]"

captive_portal:

time:
  - platform: homeassistant
    id: homeassistant_time

i2c:
# I2C Bus A configuration for AS7341
  - id: bus_a
    sda: 21
    scl: 22
    scan: true

# I2C Bus B configuration for TSL2591
  - id: bus_b
    sda: 18 
    scl: 19 
    scan: true

sensor:
# AS7341 sensor definition
  - platform: as7341
    id: as7341_spectrum
    i2c_id: bus_a
    update_interval: never
    gain: X8
    astep: 599
    atime: 29
    f1: 
      name: "415nm"
    f2: 
      name: "445nm"
    f3: 
      name: "480nm"
    f4: 
      name: "515nm"
    f5: 
      name: "555nm"
    f6: 
      name: "590nm"
    f7: 
      name: "630nm"
    f8: 
      name: "680nm"
    clear: 
      name: "Clear"
    nir: 
      name: "NIR"

# TSL2591 sensor definition
  - platform: tsl2591
    id: tsl2591_light_level
    i2c_id: bus_b
    address: 0x29
    update_interval: never
    gain: auto
    device_factor: 53
    glass_attenuation_factor: 14.4
    visible:
      name: "Visible Light"
      id: visible_light
    infrared:
      name: "Infrared Light"
      id: infrared_light
    full_spectrum:
      name: "Full Spectrum Light"
      id: full_spectrum_light
    calculated_lux:
      name: "Lux"
      id: i_lux
    actual_gain:
      name: "Actual Gain"
      id: actual_gain

  - platform: wifi_signal # Reports the WiFi signal strength/RSSI in dB
    name: "WiFi Signal dB"
    id: wifi_signal_db
    update_interval: 60s
    entity_category: "diagnostic"

  - platform: copy # Reports the WiFi signal strength in %
    name: "WiFi Signal Percent"
    source_id: wifi_signal_db
    filters:
      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "Signal %"
    entity_category: "diagnostic"  

  - platform: uptime
    name: "Uptime"
    update_interval: 60s
    entity_category: "diagnostic"

binary_sensor:
  - platform: template
    name: "High Speed Update"
    id: high_speed_update
    lambda: |-
      return id(high_speed_update).state;

  - platform: status
    name: "Connectivity Status"
    id: connectivity_status
    device_class: connectivity

switch:
  - platform: template
    name: "High Speed Update Switch"
    restore_mode: ALWAYS_OFF
    lambda: |-
      return id(high_speed_update).state;
    turn_on_action:
      - binary_sensor.template.publish:
          id: high_speed_update
          state: ON
      - logger.log: High Speed Update Switched On
    turn_off_action:
      - binary_sensor.template.publish:
          id: high_speed_update
          state: OFF
      - logger.log: High Speed Update Switched Off

interval:
  - interval: 1min
    then:
      - if:
          condition:
            lambda: 'return not id(high_speed_update).state;'
          then:
            - component.update: tsl2591_light_level
            #- delay: 50ms
            - component.update: as7341_spectrum
  - interval: 1sec
    then:
      - if:
          condition:
            lambda: 'return id(high_speed_update).state;'
          then:
            - component.update: tsl2591_light_level
            #- delay: 50ms
            - component.update: as7341_spectrum

text_sensor:
  - platform: version
    name: "Version"
    icon: mdi:cube-outline