8:09:05 A1016391:~/work/esphome > cat boothesp.yml
---
<<: !include .secrets.yml

esphome:
  name: boothesp
  platform: ESP8266
  board: nodemcu
  # includes:
  #   -

wifi:
  ssid: ${wifi_ssid}
  password: ${wifi_pass}

# Enable logging
logger:
  level: INFO

ota:

#api: # home assistant

mqtt:
  broker: ${mqtt_host}
  username: ${mqtt_user}
  password: ${mqtt_pass}
  topic_prefix: '/esphome'
  discovery: False # HomeAssistant

  birth_message:
    topic: '/esp/boothesp/restart'
    payload: 'Hi'
    qos: 0
    retain: True

  on_message:
    - topic: '/esp/test'
      then:
        - light.turn_on:
            id: booth_strip
            red: 0.2
            green: 1.0
            blue: 0.1
            brightness: 0.5
            effect: "Strobe Effect With Custom Values"
    - topic: '/esp/test2'
      then:
        - light.turn_off: booth_strip

light:
  - platform: neopixelbus
    id: booth_strip
    type: GRB
    pin: GPIO3
    num_leds: 10
    name: "Test Light"
    #effects: ${light_effects}
    effects:
      - random:
          name: Random Effect With Custom Values
          transition_length: 5s
          update_interval: 7s
      - strobe:
          name: Strobe Effect With Custom Values
          colors:
            - state: True
              brightness: 100%
              red: 100%
              green: 90%
              blue: 0%
              duration: 500ms
            - state: False
              duration: 250ms
            - state: True
              brightness: 100%
              red: 0%
              green: 100%
              blue: 0%
              duration: 500ms
    %                                                                                                                                                  8:09:14 A1016391:~/work/esphome > cat .secrets.yml
---
substitutions:
    wifi_ssid: "this"
    wifi_pass: "that"

    mqtt_host: "what.ever"
    mqtt_user: boothesp
    mqtt_pass: "bla"