ESPHome config for Lonsonho X803 (3 gang) - with fallback

# GPIO0  
# GPIO1  
# GPIO2  
# GPIO3  Button middle
# GPIO4  Button left
# GPIO5  Button right
# GPIO12 Relay/LED red left
# GPIO13 LED green (all)
# GPIO14 Relay/LED red middle
# GPIO15 Relay/LED red Right
# GPIO16

esphome:
  name: switch_01
  platform: ESP8266
  board: esp01_1m

<<: !include .common.yaml

# Status LED
status_led:
  pin:
    number: GPIO13
    inverted: false

binary_sensor:
  - platform: gpio
    pin:
      number: GPIO4
      mode: INPUT_PULLUP
      inverted: true
    name: "switch_01 Button Left"
    on_press:
      if:
        condition:
          api.connected:
        then:
          - switch.turn_on: relay_1
          - homeassistant.service:
              service: light.toggle
              data:
                entity_id: light.bulb_1
        else:
          - switch.toggle: relay_1
  - platform: gpio
    pin:
      number: GPIO3
      mode: INPUT_PULLUP
      inverted: true
    name: "switch_01 Button Middle"
    on_press:
      if:
        condition:
          api.connected:
        then:
          - switch.turn_on: relay_2
          - homeassistant.service:
              service: light.toggle
              data:
                entity_id: light.bulb_2
        else:
          - switch.toggle: relay_2
  - platform: gpio
    pin:
      number: GPIO5
      mode: INPUT_PULLUP
      inverted: true
    name: "switch_01 Button Right"
    on_press:
      if:
        condition:
          api.connected:
        then:
          - switch.turn_on: relay_3
          - homeassistant.service:
              service: light.toggle
              data:
                entity_id: light.bulb_3
        else:
          - switch.toggle: relay_3

switch:
  - platform: gpio
    name: "switch_01 Relay Left"
    pin: GPIO12
    id: relay_1
    inverted: false
  - platform: gpio
    name: "switch_01 Relay Middle"
    pin: GPIO14
    id: relay_2
    inverted: false
  - platform: gpio
    name: "switch_01 Relay Right"
    pin: GPIO15
    id: relay_3
    inverted: false