Esphone retrofits old fans

I've been tossing about these two days esphome To access homeassistant, I feel that everything can be controlled ,

Material description ：nodemcu One , One four-way relay ,200v to 3.3v Module one ,

1. Start with the code

esphome:
  name: my_out
  platform: ESP8266
  board: nodemcuv2

wifi:
  ssid: "Xiaomi"
  password: "1292993725"

# Enable logging
logger:

# Enable Home Assistant API
api:
  password: "1292993725"

ota:
  password: "1292993725"
binary_sensor:
  - platform: gpio
    # The first button ( Internal references , Foreign hidden )
    name: "key0"
    # Whether to hide （true/false）
    internal: true
    pin:
      # Use pin number 0
      number: D1
      mode: INPUT
    filters:
      - invert:
      - delayed_on: 40ms
      - delayed_off: 40ms
    on_click:
      - min_length: 50ms
        max_length: 350ms
        then:
          - switch.toggle: switch_0
  - platform: gpio
    # The first button ( Internal references , Foreign hidden )
    name: "key1"
    # Whether to hide （true/false）
    internal: true
    pin:
      # Use pin number 0
      number: D2
      mode: INPUT_PULLUP
      #inverted: True
    filters:
      - invert:
      - delayed_on: 40ms
      - delayed_off: 40ms
    on_click:
      - min_length: 50ms
        max_length: 350ms
        then:
          - switch.toggle: switch_1
  - platform: gpio
    # The first button ( Internal references , Foreign hidden )
    name: "key2"
    # Whether to hide （true/false）
    internal: true
    pin:
      # Use pin number 0
      number: D3
      mode: INPUT
    filters:
      - invert:
      - delayed_on: 40ms
      - delayed_off: 40ms
    on_click:
      - min_length: 50ms
        max_length: 350ms
        then:
          - switch.toggle: switch_2
  - platform: gpio
    # The first button ( Internal references , Foreign hidden )
    name: "key3"
    # Whether to hide （true/false）
    internal: true
    pin:
      # Use pin number 0
      number: D4
      mode: INPUT
    filters:
      - invert:
      - delayed_on: 40ms
      - delayed_off: 40ms
    on_click:
      - min_length: 50ms
        max_length: 350ms
        then:
          - switch.toggle: switch_3
switch:
  - platform: gpio
    id: switch_0
    pin: 
      number: D5
      inverted: yes
    icon: "mdi:fan-off" 
    name: "close"
    interlock: [switch_1,switch_2,switch_3]
  - platform: gpio
    id: switch_1
    pin: 
      number: D6
      inverted: yes
    icon: "mdi:fan"
    name: "1 block "
    interlock: [switch_0,switch_2,switch_3]
  - platform: gpio
    id: switch_2
    pin: 
      number: D7
      inverted: yes
    icon: "mdi:fan"
    name: "2 block "
    interlock: [switch_1,switch_0,switch_3]
  - platform: gpio
    id: switch_3
    pin: 
      number: D8
      inverted: yes
    icon: "mdi:fan"
    name: "3 block "
    interlock: [switch_1,switch_2,switch_0]
  - platform: template
    name: "Gate Remote"
    icon: "mdi:gate"
    internal: yes
    turn_on_action:
    - switch.turn_on: switch_3
    - delay: 500ms
    - switch.turn_off: switch_3
# Example configuration entry
# Prevent relay #1 and relay #2 from being activated at the same time.

2. Follow the previous article to enter esphome Control interface , compile , Download to nodemcu

install esphome

3. Follow the tutorial to connect

Be accomplished .