Seeed Xaio ESP32S3 with OV5640 camera - success

I was able to get this device working and integrated with HomeAssistant. Sharing to hopefully help save others some time…

substitutions:
  name: esphome-web-123456
  friendly_name: Seeed Xaio w/Camera 123456

  # Pin definitions
  camera_sda_pin: GPIO40
  camera_scl_pin: GPIO39
  camera_data_pins: GPIO15, GPIO17, GPIO18, GPIO16, GPIO14, GPIO12, GPIO11, GPIO48
  camera_vsync_pin: GPIO38
  camera_href_pin: GPIO47
  camera_pclk_pin: GPIO13
  camera_xclk_pin: GPIO10  # Assign the appropriate GPIO pin for xclk

esphome:
  name: ${name}
  friendly_name: ${friendly_name}
  name_add_mac_suffix: false
  platformio_options:
  #  board_build.flash_mode: dio
    board_build.mcu: esp32s3
    build_flags: -DBOARD_HAS_PSRAM
    board_build.arduino.memory_type: qio_opi
    board_build.f_flash: 80000000L
    board_build.flash_mode: qio 
 # https://wiki.seeedstudio.com/XIAO_ESP32S3_esphome/

  project:
    name: esphome.web
    version: '1.0'

esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: arduino
    #version: latest

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  
api:
  encryption:
    key: <your api key here>

ota:              # Allow Over-The-Air updates
  - platform: esphome

logger: 

web_server:
    
sensor:
  - platform: uptime
    name: "Uptime"
    id: esp_uptime
    icon: mdi:clock-start
    entity_category: "diagnostic"
    update_interval: 60s    
  - platform: uptime
    name: "ESP32 Camera Uptime Sensor"
    id: foo_uptime
    entity_category: "diagnostic"
    icon: mdi:information
  - platform: wifi_signal
    name: "ESP32 Camera WiFi Signal"
    id: foo_wifi
    entity_category: "diagnostic"
    icon: mdi:information
    update_interval: 60s    

text_sensor:
  - platform: wifi_info
    ip_address:
      name: "Wifi IP Address"
      id: wifi_ip_address
      entity_category: "diagnostic"
    ssid:
      name: "WiFi SSID"
      id: wifi_ssid
      icon: mdi:ip-outline
      entity_category: diagnostic
    mac_address:
      name: "WiFi MAC Address"
      id: wifi_mac_address
      icon: mdi:ip-outline
      entity_category: diagnostic  
 
# Camera configuration
esp32_camera:
  name: "Seeed XIAO ESP32-S3 Camera"
  id: seeed_camera
  external_clock: 
    pin: ${camera_xclk_pin}
    frequency: 12MHz
  i2c_pins:
    sda: ${camera_sda_pin}
    scl: ${camera_scl_pin}
  data_pins: 
    - GPIO15
    - GPIO17
    - GPIO18
    - GPIO16
    - GPIO14
    - GPIO12
    - GPIO11
    - GPIO48
  vsync_pin: ${camera_vsync_pin}
  href_pin: ${camera_href_pin}
  pixel_clock_pin: ${camera_pclk_pin}
  resolution: 1280X1024
  jpeg_quality: 10
  max_framerate: 15 fps

switch:
  - platform: template
    name: "Camera Control"
    id: camera_control
    optimistic: True 
  - platform: restart
    id: foo_restart
    name: "ESP32 Camera Restart"    

My rudimentary lovelace card

- type: sections
    max_columns: 4
    icon: mdi:camera
    path: seeed-w-camera
    title: Seeed w Camera
    sections:
      - type: grid
        cards:
          - type: heading
            heading: New section
          - type: tile
            entity: sensor.esphome_web_20c368_wifi_ip_address
            name: IP Address
          - type: tile
            entity: sensor.esphome_web_20c368_wifi_mac_address
            name: MAC Address
          - type: tile
            entity: sensor.esphome_web_20c368_wifi_ssid
            name: Wifi SSID
          - type: tile
            entity: sensor.esphome_web_20c368_esp32_camera_wifi_signal
            name: Wifi Signal
            icon: mdi:ip-outline
          - type: tile
            entity: sensor.esphome_web_20c368_uptime
            name: Uptime (s)
          - type: tile
            entity: button.esphome_web_20c368_restart
            name: Restart
      - type: grid
        cards:
          - type: heading
            heading: New section
          - type: tile
            entity: camera.esphome_web_20c368_seeed_xiao_esp32_s3_camera
            show_entity_picture: true
          - camera_view: live
            type: picture-glance
            title: SecretAgent
            image: https://demo.home-assistant.io/stub_config/kitchen.png
            entities:
              - binary_sensor.remote_ui
              - sensor.sun_next_dawn
            camera_image: camera.esphome_web_20c368_seeed_xiao_esp32_s3_camera