ESPHome.yaml

esphome:
  name: xmasstar
  platform: ESP8266
  board: esp01_1m
  on_boot:
    priority: -10
    then:
      - light.turn_on:
          id: star
          effect: "Random Twinkle"
          brightness: 100%

wifi:
  ssid: YOUR_SSID
  password: YOUR_SECRET
  use_address: YOUR_HOSTNAME

mqtt:
  broker: YOUR_MQTT_BROKER

web_server:
  port: 80

logger:
  level: INFO

ota:
  safe_mode: True

sensor:
  - platform: wifi_signal
    name: "xmas star signal"
    update_interval: 300s

light:
  - platform: neopixelbus
    name: star
    id: star
    type: RGB
    pin: 2
    num_leds: 20
    variant: 800KBPS
    method: ESP8266_UART1
    effects:
      - random:
          name: "Fast Random"
          transition_length: 4s
          update_interval: 5s
      - addressable_twinkle:
          name: "Twinkle"
          twinkle_probability: 5%
          progress_interval: 4ms
      - addressable_random_twinkle:
          name: "Random Twinkle"
          twinkle_probability: 5%
          progress_interval: 32ms
      - addressable_fireworks:
          name: "Fireworks"
          update_interval: 32ms
          spark_probability: 10%
          use_random_color: false
          fade_out_rate: 120
      - addressable_rainbow:
          name: "Rainbow"
          speed: 10
          width: 50
      - addressable_color_wipe:
          name: "Color Wipe"
          colors:
            - red: 0%
              green: 0%
              blue: 0%
              num_leds: 2
            - random: True
              num_leds: 5
          add_led_interval: 100ms
          reverse: False
      - addressable_scan:
          name: Scan
          move_interval: 100ms
          scan_width: 1