doppeltouch-relais current, based on https://github.com/vspaceone/esphome_configs/blob/main/doppeltouch-relais.yaml

doppeltouch-relais.yaml

esphome:
  name: doppeltouch-relais
  friendly_name: "Doppeltouch-Relais "
  name_add_mac_suffix: True

esp32:
  board: esp32-c3-devkitm-1
  framework:
    type: esp-idf

# Enable logging
logger:
  hardware_uart: UART0 #USB sadly not usable :(

# Enable Home Assistant API
api:

ota:
  - platform: esphome
    password: "8b8d0bcafa27ecba8149afa093237e42"
    on_progress:
      then:
        - output.set_level:
            id: led1
            level: !lambda >-
              static bool ota_blink=false;
              ota_blink=!ota_blink;
              return ota_blink ? x/100 : 0.0f;
        - output.set_level:
            id: led2
            level: !lambda >-
              static bool ota_blink=true;
              ota_blink=!ota_blink;
              return ota_blink ? x/100 : 0.0f;

wifi:
  ssid: Puf&Muf
  password: <enter your password here>

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Doppeltouch-Relais"
    password: "er92Pq9weuIm"

captive_portal:
improv_serial:
esp32_improv:
  authorizer: authorize_improv


status_led:
  pin:
    number: GPIO9
    inverted: True

external_components:
  - source:
      type: git
      url: https://github.com/H3wastooshort/esphome_AT42QT.git
      ref: main
    components: [ at42qt ]
    refresh: 60s

i2c:
  scl: GPIO5
  sda: GPIO6

at42qt:
  id: touch_ic
  pulse_length: 128
  address: 0x1C
  chip_number: 2120

binary_sensor:
  - platform: status
    name: "Online"
    id: online
    on_press:
      then:
        script.execute: set_led
  - platform: at42qt
    at42qt_hub_id: touch_ic
    name: "Touch 1"
    id: touch1
    channel: 8
    threshold: 5
    oversampling: 0x20
    entity_category: DIAGNOSTIC
    on_press:
      then:
        switch.toggle: relay1
  - platform: at42qt
    at42qt_hub_id: touch_ic
    name: "Touch 2"
    id: touch2
    channel: 0
    threshold: 5
    oversampling: 0x20
    entity_category: DIAGNOSTIC
    on_press:
      then:
        switch.toggle: relay2
  #BLE improv stuff
  - platform: template
    id: authorize_improv
  - platform: template
    id: touch_any
    condition:
      or:
        - binary_sensor.is_on: touch1
        - binary_sensor.is_on: touch2
    on_click:
      min_length: 3s
      max_length: 10s
      then:
        - binary_sensor.template.publish:
            id: authorize_improv
            state: ON
    on_release: 
      then:
        - binary_sensor.template.publish:
            id: authorize_improv
            state: OFF


switch:
  - platform: gpio
    name: "Relay 1 (X4)"
    id: relay1
    pin:
      number: GPIO10
    on_state:
      then:
        - script.execute: set_led
  - platform: gpio
    name: "Relay 2 (X3)"
    id: relay2
    pin:
      number: GPIO1
    on_state:
      then:
        - script.execute: set_led

output:
  - platform: ledc
    pin: GPIO19
    id: led1
  - platform: ledc
    pin: GPIO0
    id: led2


number:
  - platform: template
    name: "LED On-Brigthness"
    id: led_brightness_on
    max_value: 1
    min_value: 0
    step: 0.1
    initial_value: 1.0
    entity_category: CONFIG
    restore_value: True
    optimistic: True
    on_value:
      then:
        - script.execute: set_led

  - platform: template
    name: "LED Off-Brigthness"
    id: led_brightness_off
    max_value: 1
    min_value: 0
    step: 0.1
    initial_value: 0.1
    entity_category: CONFIG
    restore_value: True
    optimistic: True
    on_value:
      then:
        - script.execute: set_led

#explaination for fucked up code. i'd prefer keeping the factor calculation on one line, but thats not trivial in esphome
# id(led_brightness_on).state // take the disired intensity
# * (id(online).state ? 1.0f :  // if online, leave as is
#   ((millis()%1000)<500 // else, depending on weather it is the first or second half of a second
#      ? 0.75 : 0.25f)); // make it 75% or 25% 
script:
  - id: set_led
    then:
      - if:
          condition:
            switch.is_on: relay1
          then:
            output.set_level:
              id: led1
              level: !lambda >-
                return id(led_brightness_on).state * (id(online).state ? 1.0f : ((millis()%1000)<500 ? 0.75 : 0.25f));
          else:
            output.set_level:
              id: led1
              level: !lambda >-
                return id(led_brightness_off).state * (id(online).state ? 1.0f : ((millis()%1000)<500 ? 0.75 : 0.25f));
      - if:
          condition:
            switch.is_on: relay2
          then:
            output.set_level:
              id: led2
              level: !lambda >-
                return id(led_brightness_on).state * (id(online).state ? 1.0f : ((millis()%1000)<500 ? 0.75 : 0.25f));
          else:
            output.set_level:
              id: led2
              level: !lambda >-
                return id(led_brightness_off).state * (id(online).state ? 1.0f : ((millis()%1000)<500 ? 0.75 : 0.25f));

interval:
  interval:
    seconds: 0.1
  then:
    - if:
        condition:
          not:
            binary_sensor.is_on: online
        then:
          script.execute: set_led

web_server:
  local: True
  ota: False

debug:
  update_interval: 5s

text_sensor:
  - platform: debug
    device:
      name: "Device Info"
    reset_reason:
      name: "Reset Reason"

sensor:
  - platform: debug
    free:
      name: "Heap Free"
    block:
      name: "Heap Max Block"
    loop_time:
      name: "Loop Time"
    cpu_frequency:
      name: "CPU Frequency"

  - platform: at42qt
    at42qt_hub_id: touch_ic
    channel: 8
    signal:
      name: "Touch 1 Signal"
    reference:
      name: "Touch 1 Reference"
    update_interval: 1s
  - platform: at42qt
    at42qt_hub_id: touch_ic
    channel: 0
    signal:
      name: "Touch 2 Signal"
    reference:
      name: "Touch 2 Reference"
    update_interval: 1s

bluetooth_proxy:
  active: False