EspHome Sensor Box

Temperature and Humidity EspHome Sensor box.

Parts used:

ESP32 S2 Mini (with PSRAM)

SSD1306 lcd 128x64

AHT20 BMP280 Sensor

##### EspHome Template ######

substitutions:

  name: esp-temperature-sensor2

  friendly_name: "ESP Temperature Sensor 2"

esphome:

  name: ${name}

  friendly_name: ${friendly_name}

  min_version: 2024.6.0

  name_add_mac_suffix: false

  platformio_options:

    board_build.flash_mode: dio

  project:

    name: esphome.web

    version: dev

esp32:

  board: esp32-s2-saola-1

  framework:

    type: arduino

# Enable logging

logger:

# Enable Home Assistant API and failsafe mechanisms

api:

# Allow Over-The-Air updates

ota:

- platform: esphome

# Allow provisioning Wi-Fi via serial

improv_serial:

wifi:

  ssid: !secret wifi_ssid

  password: !secret wifi_password

  #fast_connect: true

  # Enable fallback hotspot (captive portal) in case wifi connection fails, using your wifi's password

  ap:

    ssid: "EspTempSensor"

    password: !secret wifi_password

# In combination with the `ap` this allows the user

# to provision wifi credentials to the device via WiFi AP.

captive_portal:

dashboard_import:

  package_import_url: github://esphome/firmware/esphome-web/esp32s2.yaml@main

  import_full_config: true

# To have a "next url" for improv serial

web_server:

debug:

  update_interval: 5s

font:

 - file: 'gfonts://Rubik@300'

   id: font_small

   size: 16

 - file: 'gfonts://Rubik@300'

   id: font_large

   size: 20

 - file: 'materialdesignicons-webfont.ttf'

   id: weather_icons

   size: 20

   glyphs:

     - "\U000F0594" #"clear-night"

     - "\U000F0590" #"cloudy"

     - "\U000F0591" #"fog"

     - "\U000F0592" #"hail"

     - "\U000F0593" #"lightning"

     - "\U000F067E" #"lightning-rainy"

     - "\U000F0595" #"partlycloudy"

     - "\U000F0596" #"pouring"

     - "\U000F0597" #"rainy"

     - "\U000F0598" #"snowy"

     - "\U000F067F" #"snowy-rainy"

     - "\U000F0599" #"sunny"

     - "\U000F059D" #"windy"

     - "\U000F059E" #"windy-variant"

     - "\U000F050F" #"thermometer"

 - file: 'materialdesignicons-webfont.ttf'

   id: sensor_icons

   size: 20

   glyphs:

     - "\U000F050F" #"thermometer"

     - "\U000F058C" #"water"

     - "\U000F07E4" #"CO2"

     - "\U000F005C" #"arrow-top-right"

     - "\U000F0043" #"arrow-bottom-right"

     - "\U000F0054" #"arrow-right"

color:

  - id: white

    hex: FFFFFF

  - id: grey

    hex: AAAAAA

  - id: light_grey

    hex: CCCCCC

  - id: yellow

    hex: FFFA72

  - id: orange

    hex: FF9C32

  - id: red

    hex: FF1616

  - id: purple

    hex: FF16e0

display:

 - platform: ssd1306_i2c

   i2c_id: i2c_2

   model: "SSD1306 128x64"

   address: 0x3C

   update_interval: 10s

   rotation: 180°

   lambda: |-

     // Display weather condition icon top center

     if (id(weather_condition).has_state()) {

       std::map<std::string, std::string> weather_icon_map

         {

           {"clear-night", "\U000F0594"},

           {"cloudy", "\U000F0590"},

           {"fog", "\U000F0591"},

           {"hail", "\U000F0592"},

           {"lightning", "\U000F0593"},

           {"lightning-rainy", "\U000F067E"},

           {"partlycloudy", "\U000F0595"},

           {"pouring", "\U000F0596"},

           {"rainy", "\U000F0597"},

           {"snowy", "\U000F0598"},

           {"snowy-rainy", "\U000F067F"},

           {"sunny", "\U000F0599"},

           {"windy", "\U000F059D"},

           {"windy-variant", "\U000F059E"},

         };

       it.printf(80, 0, id(weather_icons), TextAlign::TOP_CENTER, weather_icon_map[id(weather_condition).state.c_str()].c_str());

     }

     // Print time in HH:MM format top left

     it.strftime(0, 0, id(font_small), TextAlign::TOP_LEFT, "%H:%M", id(esptime).now());

     // Print outside temperature top right

     it.printf(it.get_width(), 0, id(font_small), TextAlign::TOP_RIGHT, "%.0f°", id(outside_temperature).state);

     // Draw horizontal line

     it.line(0, 20, it.get_width(), 20);

     it.printf(0, 25, id(sensor_icons), TextAlign::LEFT, "\U000F050F");

     it.printf(128, 25, id(font_small), TextAlign::RIGHT, "%.1f°C", id(temp_aht20).state);

     it.printf(0, 45, id(sensor_icons), TextAlign::LEFT, "\U000F058C");

     it.printf(128, 45, id(font_small), TextAlign::RIGHT, "%.1f%%", id(hum_aht20).state);

i2c:

  - sda: GPIO08

    scl: GPIO09

    scan: true

    id: i2c_2

  - sda: GPIO16

    scl: GPIO17

    scan: true

    id: i2c_main

time:

 - platform: homeassistant

   id: esptime

text_sensor:

 - platform: homeassistant

   id: weather_condition

   entity_id: weather.forecast_home

   internal: true

sensor:

 - platform: homeassistant

   id: outside_temperature

   entity_id: weather.forecast_home

   attribute: temperature

   internal: true

 - platform: aht10

   #address: 0x38

   i2c_id: i2c_main

   variant: AHT20

   temperature:

    name: "AHT20 Temperature"

    id: temp_aht20

   humidity:

    name: "AHT20 Humidity"

    id: hum_aht20

   update_interval: 10s