XY-WFUSB ESPhome code

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## Original post from: https://simondn.blogspot.com/2023/06/usbesphome.html
## source code from: https://devices.esphome.io/devices/Sinilink-XY-WFUSB-USB-Switch-Relay
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substitutions:
  device_name: usb-ctrl

esphome:
  name: ${device_name}
  friendly_name: USB-Ctrl

esp8266:
  board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:
  password: !secret ota_password

wifi:
  ssid: !secret my_ap_ssid
  password: !secret my_ap_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "${device_name}"
    password: "12345678"
    ap_timeout: 3min

captive_portal:

status_led:
  pin:
    number: GPIO16 # Blue LED

switch:
  # Relay
  - platform: gpio
    id: relay
    pin: GPIO5
    name: "${device_name} Relay"
    on_turn_on:
      - switch.turn_on: green_led
    on_turn_off:
      - switch.turn_off: green_led

  # Green LED
  # LED is on when relay is off
  - platform: gpio
    pin: GPIO14
    id: green_led
    inverted: true # start on

# Button
binary_sensor:
  - platform: gpio
    id: button
    pin:
      number: GPIO04
      mode: INPUT_PULLUP
      inverted: True
    on_press:
      - switch.toggle: relay

  - platform: status
    name: "${device_name} WiFi Status"

sensor:
  - platform: wifi_signal
    name: "${device_name} WiFi Signal"
    update_interval: 60s