E-Ink House-Status Panel — Project Plan & Build Guide¶

┌─────────────────────────────────────────────┐
│  BLAIRMONT            Thu Jun 11    2:41 PM   │
├────────────────┬──────────────────────────────┤
│  ⚡ OFF-PEAK    │  ☀ 84°  ↑88 ↓67             │
│  $0.07 / kWh   │  Partly cloudy               │
├────────────────┴──────────────────────────────┤
│  🚪 Garage   L: Closed     R: Closed          │
│  🌡 Bed 71°   Office 73°    CO₂ 612 ppm       │
├───────────────────────────────────────────────┤
│  ❄ FOOD   Fridge 39°   Freezer −2°    ✓       │
│  🪴 Fiddle1 18% ⚠   Fiddle2 59%   Maury 52%   │
└───────────────────────────────────────────────┘
        updated 2:41 PM  ·  next 2:56 PM

substitutions:
  name: house-status-panel

esphome:
  name: ${name}
  friendly_name: House Status Panel

esp32:
  board: esp32dev
  framework:
    type: esp-idf

logger:
api:
  encryption:
    key: !secret house_panel_api_key
  on_client_connected:          # deep-sleep loop: redraw once HA is connected, then sleep
    - delay: 4s                 # let HA push entity states
    - component.update: eink
    - delay: 30s                # let the (slow) 3-color refresh finish
    - deep_sleep.enter: ds
ota:
  - platform: esphome
    password: !secret ota_password
wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

time:
  - platform: homeassistant
    id: ha_time

deep_sleep:
  id: ds
  sleep_duration: 15min
  run_duration: 90s             # safety cap; on_client_connected normally sleeps sooner
  wakeup_pin:                   # manual "refresh now" button
    number: GPIO39
    inverted: true

# --- HA entity imports ---
sensor:
  - platform: homeassistant
    id: tou_rate
    entity_id: sensor.tou_rate
  - platform: homeassistant
    id: out_temp
    entity_id: weather.forecast_home
    attribute: temperature
  - platform: homeassistant
    id: bed_temp
    entity_id: sensor.bedroom_temperature
  - platform: homeassistant
    id: office_temp
    entity_id: sensor.office_temperature
  - platform: homeassistant
    id: bed_co2
    entity_id: sensor.bedroom_carbon_dioxide
  - platform: homeassistant
    id: fridge_t
    entity_id: sensor.refrigerator_temperature_sensor_temperature
  - platform: homeassistant
    id: freezer_t
    entity_id: sensor.freezer_temperature_sensor_temperature
  - platform: homeassistant
    id: fiddle1
    entity_id: sensor.fiddle_leaf_1_moisture
  - platform: homeassistant
    id: fiddle2
    entity_id: sensor.fiddle_leaf_2_moisture
  - platform: homeassistant
    id: maury
    entity_id: sensor.soil_sensor_1_moisture

text_sensor:
  - platform: homeassistant
    id: tou_period
    entity_id: sensor.tou_period
  - platform: homeassistant
    id: garage_l
    entity_id: cover.left_garage_door
  - platform: homeassistant
    id: garage_r
    entity_id: cover.right_garage_door

font:
  - file: "gfonts://Roboto"
    id: f_big
    size: 40
  - file: "gfonts://Roboto"
    id: f_med
    size: 24
  - file: "gfonts://Roboto"
    id: f_small
    size: 18
  - file: "https://github.com/Templarian/MaterialDesign-Webfont/raw/master/fonts/materialdesignicons-webfont.ttf"
    id: f_icons
    size: 30
    glyphs: ["\U000F0D5A", "\U000F0E1B", "\U000F050F", "\U000F1A1B"]  # add codepoints per icon used

color:
  - id: red
    red: 100%
    green: 0%
    blue: 0%

display:
  - platform: waveshare_epaper
    model: 7.50inV2          # use the 3-color model id for your exact panel
    update_interval: never   # only redraw when we call component.update
    id: eink
    lambda: |-
      // Header
      it.strftime(10, 8, id(f_med), "%a %b %d   %-I:%M %p", id(ha_time).now());
      it.print(10, 8, id(f_med), "BLAIRMONT");

      // TOU banner — red only during peak
      bool peak = id(tou_period).state == "peak";
      auto c = peak ? id(red) : COLOR_ON;
      it.printf(10, 60, id(f_big), c, "%s", peak ? "ON PEAK" :
                (id(tou_period).state == "off_peak" ? "OFF-PEAK" : "SUPER OFF"));
      it.printf(10, 108, id(f_med), c, "$%.2f / kWh", id(tou_rate).state);

      // Weather (right column)
      it.printf(420, 60, id(f_big), "%.0f°", id(out_temp).state);

      // Garage
      it.printf(10, 170, id(f_med), "Garage  L: %s   R: %s",
                id(garage_l).state.c_str(), id(garage_r).state.c_str());

      // Climate / AQ
      it.printf(10, 210, id(f_med), "Bed %.0f°   Office %.0f°   CO2 %.0f",
                id(bed_temp).state, id(office_temp).state, id(bed_co2).state);

      // Food — red if a freezer is failing
      bool food_bad = id(freezer_t).state > 20 || id(fridge_t).state > 50;
      it.printf(10, 270, id(f_med), food_bad ? id(red) : COLOR_ON,
                "FOOD  Fridge %.0f°  Freezer %.0f°", id(fridge_t).state, id(freezer_t).state);

      // Plants — red if a fiddle leaf is dry
      it.printf(10, 310, id(f_med), id(fiddle1).state < 30 ? id(red) : COLOR_ON,
                "Fiddle1 %.0f%%   Fiddle2 %.0f%%   Maury %.0f%%",
                id(fiddle1).state, id(fiddle2).state, id(maury).state);

      // Footer
      it.strftime(10, 440, id(f_small), "updated %-I:%M %p", id(ha_time).now());