Sonoff Mini Smart switch w/ Smart bulbs ESPHOME & Home Assistant

dumb_light_switch_smart.yaml

# This is a branch of Brian Hanifin's project (https://brianhanifin.com/posts/esphome-shelly1-dumb-light-switch-smart/)
# adapted for Sonoff Mini R2 smart switches.


substitutions:
  device_name: smart_switch_for_smart_bulbs
  project: Sonoff Mini R2
  button1_gpio: GPIO00
  switch1_gpio: GPIO04
  relay1_gpio: GPIO12
  hass_light: light.bedroom_overhead
  device_ip: 
  gateway_ip:
  subnet_ip:

esphome:
  name: ${device_name}
  platform: ESP8266
  board: esp01_1m

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  manual_ip:
    static_ip: ${device_ip}
    gateway: ${gateway_ip}
    subnet: ${subnet_ip}
  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Sonoff Mini Basic Config"
    password: !secret ap_password

captive_portal:

# Enable logging
logger:

# Enable Home Assistant API
api:
  reboot_timeout: 30min
  password: !secret ha_api_password

ota:
  password: !secret ha_ota_password

time:
  - platform: homeassistant

sensor:
  - platform: wifi_signal
    name: ${device_name} Wifi Signal Strength
    update_interval: 60s
  - platform: uptime
    name: ${device_name} Uptime

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: $hass_light
                      brightness: "254"
              else:
                # Have Home Assistant toggle the light.
                - homeassistant.service:
                    service: light.toggle
                    data:
                      entity_id: $hass_light
        else:
          # When HA is unavailable, toggle the relay.
          - switch.toggle: relay_1


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

binary_sensor:
  - platform: gpio
    pin: $switch1_gpio
    id: reset
    internal: true
    filters:
      - delayed_on: 10ms
      - delayed_off: 10ms
    on_state:
      - script.execute: hass_light_toggle

switch:
  - platform: gpio
    name: ${device_name}_switch
    icon: "mdi: lightbulb_outline"
    pin: $relay1_gpio
    restore_mode: ALWAYS_ON
    id: relay_1

status_led:
  pin:
    number: GPIO13
    inverted: true

output:
  - platform: esp8266_pwm
    id: onboard_blue_led
    pin: GPIO13
    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: onboard_blue_led
    internal: true # hides the Blue LED from HomeAssistant