esphome config gosund sp111 as switch

gosund-sp111.yaml

# Just change name here
substitutions:
  plug: "Kitchen window"
  plug_internal: kitchen_window
  voltage_divider: "771"
  current_resistor: "0.0012"

esphome:
  name: ${plug_internal}
  platform: ESP8266
  board: esp8285

wifi:
  ssid: !secret wifiname
  password: !secret wifipass

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "${plug} Fallback Hotspot"
    password: "3XtYLy5n2pgc"

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

web_server:
  port: 80

sensor:
  # Power sensor
  - platform: hlw8012
    voltage_divider: 771
#    current_resistor: 0.001
    current_resistor: 0.0012
    sel_pin:
      number: GPIO12
      inverted: true
    cf_pin: GPIO05
    cf1_pin: GPIO04
    change_mode_every: 3
    update_interval: 5s
    # Current sensor
    current:
      name: "${plug} current"
      unit_of_measurement: A
      accuracy_decimals: 3
    # Voltage sensor
    voltage:
      name: "${plug} voltage"
      unit_of_measurement: V
      accuracy_decimals: 1
    # Power sensor
    power:
      id: power
      name: "${plug} power"
      unit_of_measurement: W
      accuracy_decimals: 0
      filters:
      - multiply: 0.5

binary_sensor:
  # Binary sensor for the button press
  - platform: gpio
    name: "${plug} button"
    pin:
      number: GPIO13
      inverted: true
    on_press:
      - switch.toggle: relay

switch:
  # Switch to toggle the relay
  - platform: gpio
    id: relay
    name: "${plug} relay"
    pin: GPIO15
    on_turn_on:
      - light.turn_on: led
    on_turn_off:
      - light.turn_off: led

output:
  # Relay state led
  - platform: esp8266_pwm
    id: state_led
    pin:
      number: GPIO2
      inverted: true

light:
  # Relay state light
  - platform: monochromatic
    output: state_led
    id: led

# Uses the red LED as a ESPhome status indicator
status_led:
  pin:
    number: GPIO0
    inverted: true