ESPHome on Yunshan ESP8266

yunshanesp8266.yaml

#$ esphome -s devicename bathmirrorheating -s upper_devicename BathMirrorHeating run yunshanesp8266.yaml --device /dev/cu.usbserial-2230
---
substitutions:
  devicename: 'yunshanesp8266'
  upper_devicename: 'Yunshan ESP8266'
  devicecomment: 'https://arduinoplusplus.wordpress.com/2018/08/28/home-automation-and-the-internet-of-things-the-start/'
  logger_level: 'INFO'

esphome:
  name: ${devicename}
  comment: ${devicecomment}
  project:
    name: "jitter.eu"
    version: "0.3.1"

esp8266:
  board: esp12e

status_led:
  pin:
    number: GPIO2
    inverted: True

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_pass
  domain: !secret domain
  fast_connect: on

ota:

logger:
  level: ${logger_level}

# web_server:
#   port: 80
#   local: true

api:
  encryption:
    key: !secret yunshan_esp8266_key

time:
  - platform: homeassistant
    id: homeassistant_time

sensor:
  - platform: uptime
    name: "${upper_devicename} Uptime"
    update_interval: 5s
    icon: "mdi:clock-start"

  - platform: wifi_signal
    name: "${upper_devicename} WiFi Signal"
    update_interval: 10s
    icon: "mdi:wifi"

text_sensor:
  - platform: version
    name: "${upper_devicename} Version"
    icon: "mdi:exponent-box"

  - platform: wifi_info
    ip_address:
      name: "${upper_devicename} IP Address"
      icon: "mdi:counter"

switch:
  - platform: restart
    name: "${upper_devicename} Restart"
    icon: "mdi:restart"

  - platform: gpio
    pin: GPIO4
    id: relay
    name: '${upper_devicename} Relay'
#    icon: mdi:power-socket-eu

binary_sensor:
  - platform: status
    name: "${upper_devicename} Status"

  - platform: gpio
    pin:
      number: GPIO5
      mode: INPUT_PULLUP
      inverted: True
    name: "${upper_devicename} Button"
    # on_press:
    #   then:
    #     - switch.toggle: relay