esphome_gadget.yaml

# (insert all the standard stuff here for esphome, wifi, api, etc...)

# https://www.az-delivery.de/en/products/d1-mini-v3
esp8266:
  board: d1_mini

sensor:
  - platform: wifi_signal # Reports the WiFi signal strength/RSSI in dB
    name: "WiFi Signal dB"
    id: wifi_signal_db
    update_interval: 30s
    entity_category: "diagnostic"

  - platform: dht
    model: AM2302
    pin: D7
    temperature:
      name: "Temperature"
      id: temp
      accuracy_decimals: 1
    humidity:
      name: "Humidity"
      id: hum
      accuracy_decimals: 1
    update_interval: 30s

# import sensor data from home assistant. this is for my heatpump connected via Husdata H66
  - platform: homeassistant
    id: out_temp
    entity_id: sensor.hp_outdoor
  - platform: homeassistant
    id: fram_temp
    entity_id: sensor.hp_radiator_forward
  - platform: homeassistant
    id: fram_set_temp
    entity_id: sensor.hp_heating_setpoint
  - platform: homeassistant
    id: vp_speed
    entity_id: sensor.hp_compressor_speed
  - platform: homeassistant
    id: vp_elpat
    entity_id: sensor.hp_add_heat_status

binary_sensor:
  - platform: homeassistant
    id: vp_vv
    entity_id: binary_sensor.hp_switch_valve_1
  - platform: homeassistant
    id: vp_frost
    entity_id: binary_sensor.vp_avfrostning

i2c:
  sda: D2
  scl: D1
  scan: false
  frequency: 200kHz

# https://github.com/fcambus/spleen
font:
  - file: "fonts/spleen-6x12.bdf"
    id: font1
  - file: "fonts/spleen-5x8.bdf"
    id: font2

# https://wiki.seeedstudio.com/Grove-OLED-Display-0.66-SSD1306_v1.0/
display:
  - platform: ssd1306_i2c
    model: "SSD1306 64x48"
    address: 0x3C
    update_interval: 2s
    #invert: true
    contrast: 50%
    lambda: |-
      it.printf(28,0,id(font1),"%.1f°C",id(temp).state);
      it.printf(0,0,id(font1),"%.0f%%",id(hum).state);
      it.print(0,14,id(font2),"UTE");
      it.printf(22,12,id(font1),"%+5.1f°C",id(out_temp).state);
      it.printf(0,48-8*2,id(font2),"GOLV %.0f (%.0f)",id(fram_temp).state,id(fram_set_temp).state);
      it.printf(0,48-8,id(font2),"VP %02.0f%% %s %s",id(vp_speed).state,id(vp_elpat).state>0?"EL":"  ",id(vp_vv).state?"VV":(id(vp_frost).state?"**":"  "));