kitchen-esp32display.yaml

esphome:
  name: kitchen-esp32display

esp32:
  board: lolin32
  framework:
    type: esp-idf #arduino
    version: recommended


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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Esp32Test Fallback Hotspot"
    password: !secret wifi_ap_password

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_key

ota:
  platform: esphome
  password: !secret api_password

time:
  - platform: homeassistant
    id: esptime

esp32_ble_tracker:
#  scan_parameters:
#    interval: 150ms
#    window: 100ms
#    active: false

bluetooth_proxy:
  active: True

sensor:
  - platform: homeassistant
    id: home_instant_electricity
    entity_id: sensor.smart_meter_electricity_power
    internal: true

  - platform: homeassistant
    id: octopus_current_price
    entity_id: sensor.octopus_energy_electricity_x_x_current_rate
    internal: true

    on_value_range:
      - above: 0.20
        then:
          - light.control:
              id: ws2812
              state: true
              brightness: 60%
              red: !lambda |-
                return (id(octopus_current_price).state-0.20) / 0.10;
              green: 0
              blue: 0
              effect: "none"
      - above: 0.10
        below: 0.20
        then:
          - light.control:
              id: ws2812
              state: true
              brightness: 60%
              red: !lambda |-
                return (id(octopus_current_price).state-0.10) / 0.10;
              green: !lambda |-
                return (id(octopus_current_price).state-0.10) / 0.10;
              blue: 0
              effect: "none"
      - above: 0.0
        below: 0.10
        then:
          - light.control:
              id: ws2812
              state: true
              brightness: 60%
              red: 0
              green: !lambda |-
                return (id(octopus_current_price).state-0.0) / 0.10;
              blue: 0
              effect: "none"
      - below: 0.0
        then:
          - light.control:
              id: ws2812
              state: true
              brightness: 60%
              red: 0
              green: 0
              blue: 1
              effect: "strobe"

font:
  - file: "Arial.ttf"
    id: font1
    size: 14

i2c:
  sda: 5
  scl: 4
  scan: True
  frequency: 400kHz

display:
  - platform: ssd1306_i2c
    model: "SSD1306 128x64"
    contrast: "80%"
    #reset_pin: D0
    id: my_display
    address: 0x3C
    pages:
      - id: page1
        lambda: |-
          it.clear();

          // Print time in HH:MM format in top center.
          if (id(home_instant_electricity).has_state()) {
            it.printf(64, 0, id(font1), TextAlign::TOP_CENTER , "%.3fkW", id(home_instant_electricity).state);
          }

          if (id(octopus_current_price).has_state()) {
            it.printf(64, 16, id(font1), TextAlign::TOP_CENTER , "%.4fp-kWh", id(octopus_current_price).state);
          }

          // if (id(electricity_current_cost).has_state()) {
          //   it.printf(64, 32, id(font1), TextAlign::TOP_CENTER , "GBP%.2f", id(electricity_current_cost).state);
          // }

          // Print time in HH:MM format
          it.strftime(127, 60, id(font1), TextAlign::BASELINE_RIGHT, "%H:%M", id(esptime).now());

light:
  - platform: esp32_rmt_led_strip
    chipset: WS2812
    id: ws2812
    internal: true
    pin: 15
    default_transition_length: 10ms
    num_leds: 1
    rmt_channel: 0
    rgb_order: GRB
    name: "NeoPixelBus WS2812 Light"
    restore_mode: ALWAYS_OFF
    effects:
      - strobe:
          colors:
            - state: True
              brightness: 60%
              red: 0%
              green: 0%
              blue: 100%
              duration: 500ms
            - state: True
              brightness: 70%
              red: 0%
              green: 0%
              blue: 100%
              duration: 500ms