The start of all my ESPHome configurations.

esphome-generic.yaml

esphome:
  name: misc-generic
  platform: ESP8266
  board: huzzah
  comment: A generic node to do generic things.
  project:
    name: "avatar.generic"
    version: "0.1.0"

# Enable logging
logger:

# Enable status LED
status_led:
  pin:
    # 0 is red LED (inverted)
    number: 0
    inverted: true

# Enable wireless networking
wifi:
  ssid: "Arkane Systems"
  password: "<REDACTED>"
  fast_connect: true
  
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Misc-Generic Fallback Hotspot"
    password: "<REDACTED>"

captive_portal:

# Enable over-the-air updates.
ota:
  password: '<REDACTED>'

# Enable Home Assistant API
api:
  password: '<REDACTED>'

# I2C bus
i2c:

# Binary Sensors
binary_sensor:

  # Node state.
  - platform: status
    name: Generic

# Sensors
sensor:

  # Uptime sensor
  - platform: uptime
    name: Generic Uptime

  # Wireless strength signal
  - platform: wifi_signal
    name: Generic Wireless

# Switches
switch:

  # Restart node.
  - platform: restart
    name: Generic Restart

  # Shutdown node.
  - platform: shutdown
    name: Generic Shutdown 

# Text sensors
text_sensor:

  # Version
  - platform: version
    name: Generic ESPHome Version