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

environment.yaml

esphome:
  name: environment
  friendly_name: environment

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: "Environment Fallback Hotspot"
    password: "[private]"

captive_portal:
    
time:
  - platform: homeassistant
    id: homeassistant_time

spi:
  clk_pin: GPIO18
  mosi_pin: GPIO23
  miso_pin: GPIO19

sensor:
  - platform: bme280_spi
    id: bme280_environment
    temperature:
      name: "Temperature"
      id: bme280_temperature
      accuracy_decimals: 1
      oversampling: 16x
    pressure:
      name: "Pressure"
      id: bme280_pressure
      accuracy_decimals: 1
    humidity:
      name: "Relative Humidity"
      id: bme280_relative_humidity
      accuracy_decimals: 5
    iir_filter: 8x
    cs_pin: GPIO5
    update_interval: never
  - platform: template
    name: "Absolute Humidity"
    id: bme280_absolute_humidity
    lambda: |-
      const float mw = 18.01534;    // molar mass of water g/mol
      const float r = 8.31447215;   // Universal gas constant J/mol/K
      return (6.112 * powf(2.718281828, (17.67 * id(bme280_temperature).state) /
        (id(bme280_temperature).state + 243.5)) * id(bme280_relative_humidity).state * mw) /
        ((273.15 + id(bme280_temperature).state) * r); // in grams/m^3
    accuracy_decimals: 2
    update_interval: never
    icon: 'mdi:water'
    unit_of_measurement: 'g/m^3'
  - platform: template
    name: "Dew Point"
    id: bme280_dew_point
    lambda: |-
      double dew_point_celsius = (243.5*(log(id(bme280_relative_humidity).state/100)+((17.67*id(bme280_temperature).state)/
      (243.5+id(bme280_temperature).state)))/(17.67-log(id(bme280_relative_humidity).state/100)-
      ((17.67*id(bme280_temperature).state)/(243.5+id(bme280_temperature).state))));
      return dew_point_celsius * 9.0/5.0 + 32.0;
    update_interval: never
    icon: 'mdi:thermometer-alert'
    unit_of_measurement: '°F'

  - 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 %
    source_id: wifi_signal_db
    name: "WiFi Signal Percent"
    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: bme280_environment
            - component.update: bme280_absolute_humidity
            - component.update: bme280_dew_point
  - interval: 1sec
    then:
      - if:
          condition:
            lambda: 'return id(high_speed_update).state;'
          then:
            - component.update: bme280_environment
            - component.update: bme280_absolute_humidity
            - component.update: bme280_dew_point

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