EspHome Config for Sonoff Mini

sonoff_mini_esphome.yaml

substitutions:
  device_name: kitchen_sonoff_mini
  device_friendly_name: Kitchen Sonoff Mini Switch
  device_ip: 192.168.5.13
  light_id: light.kitchen_lights
  button_gpio: GPIO00
  led_status_gpio: GPIO13
  relay_gpio: GPIO12
  
esphome:
  name: ${device_name}
  platform: ESP8266
  board: esp01_1m # esp8285

# Enable logging
logger:

# Enable Web server
web_server:
  port: 80

# Enable Home Assistant API
api:
#  password: "!secret api_password"
#  reboot_timeout: 15min / 0s

# Enable Over The Air update
ota:
#  password: !secret ota_password

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  #reboot_timeout: 0s # Disable reboots for when Home Assistant is offline for an extended time.
  manual_ip:
    static_ip: ${device_ip}
    gateway: 192.168.5.1
    subnet: 255.255.255.0
  #domain: .localdomain

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Kitchen-Sonoff-Mini"
    password: !secret ap_password

captive_portal:

# the web_server & sensor components can be removed without affecting core functionaility.

#time:
#  - platform: homeassistant
#    id: homeassistant_time

sensor:
# Extra sensor to keep track of uptime
  - platform: uptime
    name: ${device_name} Uptime Sensor
    filters:
      - lambda: return x / 3600;
    unit_of_measurement: "hours"
    accuracy_decimals: 2

# Extra sensor for WiFi signal
  - platform: wifi_signal
    name: ${device_name} Wifi Signal Strength
    update_interval: 900s

#######################################
# Device specific Config Begins Below #
######################################

binary_sensor:
  # the lines below define the reset button
  - platform: gpio
    pin: $button_gpio
    id: ${device_name}_button
    internal: true
    filters:
      - invert:
      - delayed_off: 10ms
    on_press:
      - switch.toggle: 
          id: relay_1
          
  # the lines below toggle the main relay on command
  - platform: gpio
    name: ${device_name}_status
    pin: GPIO04
    id: switch_1
    on_state:
      - script.execute: hass_light_toggle
    #on_press:
    #  then:
    #    - switch.toggle:
    #        id: relay_1
    #on_release:
    #  then:
    #    - switch.toggle:
    #        id: relay_1
switch:
  - platform: gpio
    name: ${device_friendly_name} 
    icon: "mdi: lightbulb_outline"
    pin: $relay_gpio
    id: relay_1
    restore_mode: restore_default_off #ALWAYS_ON

status_led:
  pin:
    number: $led_status_gpio
    inverted: true

output:
  - platform: esp8266_pwm
    id: blue_led
    pin: $led_status_gpio
    inverted: true

light:
  # the 4 lines below define the Blue LED light on Sonoff Mini, to expose in HomeAssistant remove line "internal: true"
  - platform: monochromatic
    name: ${device_name}_blueled
    output: blue_led
    internal: true # hides the Blue LED from HomeAssistant

script:
  - id: hass_light_toggle
    then:
      if:
        condition:
          api.connected:
        then:
          - if:
              condition:
                switch.is_off: relay_1
              then:
                # Turn the relay back on and turn on the light.
                - switch.turn_on: relay_1

                - homeassistant.service:
                    service: light.turn_on
                    data:
                      entity_id: $light_id
              else:
                # Have Home Assistant toggle the light.
                - homeassistant.service:
                    service: light.toggle
                    data:
                      entity_id: $light_id
        else:
          # When HA is unavailable, toggle the relay.
          - switch.toggle: relay_1