diff --git a/esphome/litter-box-cam.yaml b/esphome/litter-box-cam.yaml
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+# =============================================================================
+# LITTER BOX MONITOR - DFRobot ESP32-S3 AI Camera
+# =============================================================================
+
+substitutions:
+  device_name: litter-box-cam
+  friendly_name: "Litter Box Camera"
+
+# -----------------------------------------------------------------------------
+# Core Device Configuration
+# -----------------------------------------------------------------------------
+esphome:
+  name: ${device_name}
+  friendly_name: ${friendly_name}
+  platformio_options:
+    build_flags: "-DBOARD_HAS_PSRAM"
+    board_build.arduino.memory_type: qio_opi
+
+esp32:
+  board: esp32-s3-devkitc-1
+  framework:
+    type: arduino
+    version: latest
+  flash_size: 16MB
+
+# -----------------------------------------------------------------------------
+# PSRAM Configuration (Critical for camera)
+# -----------------------------------------------------------------------------
+psram:
+  mode: octal
+  speed: 80MHz
+
+# -----------------------------------------------------------------------------
+# Logging & API
+# -----------------------------------------------------------------------------
+logger:
+  level: INFO
+
+api:
+  encryption:
+    key: !secret api_encryption_key
+  
+  services:
+    - service: capture_and_analyze
+      then:
+        - script.execute: capture_image_script
+    
+    - service: update_status
+      variables:
+        needs_scooping: bool
+        litter_level_low: bool
+        cat_present: bool
+        cleanliness_score: int
+      then:
+        - lambda: |-
+            id(needs_scooping_sensor).publish_state(needs_scooping);
+            id(litter_level_low_sensor).publish_state(litter_level_low);
+            id(cat_present_sensor).publish_state(cat_present);
+            id(cleanliness_score_sensor).publish_state(cleanliness_score);
+            id(last_analysis_time).publish_state(id(homeassistant_time).now().timestamp);
+            if (cat_present) {
+              id(daily_cat_visits) += 1;
+              id(cat_visits_sensor).publish_state(id(daily_cat_visits));
+            }
+
+ota:
+  - platform: esphome
+    password: !secret ota_password
+
+# -----------------------------------------------------------------------------
+# WiFi Configuration
+# -----------------------------------------------------------------------------
+wifi:
+  ssid: !secret wifi_iot_ssid
+  password: !secret wifi_password
+  
+  ap:
+    ssid: "${device_name}-AP"
+    password: !secret wifi_password
+
+captive_portal:
+
+# -----------------------------------------------------------------------------
+# MQTT Configuration
+# -----------------------------------------------------------------------------
+mqtt:
+  broker: !secret mqtt_broker
+  username: !secret mqtt_username
+  password: !secret mqtt_password
+  topic_prefix: litter_box
+
+# -----------------------------------------------------------------------------
+# Time Synchronization
+# -----------------------------------------------------------------------------
+time:
+  - platform: homeassistant
+    id: homeassistant_time
+    on_time:
+      - seconds: 0
+        minutes: 0
+        hours: 0
+        then:
+          - lambda: |-
+              id(daily_cat_visits) = 0;
+              id(cat_visits_sensor).publish_state(0);
+
+# -----------------------------------------------------------------------------
+# Global Variables
+# -----------------------------------------------------------------------------
+globals:
+  - id: daily_cat_visits
+    type: int
+    restore_value: yes
+    initial_value: '0'
+  
+  - id: motion_cooldown_active
+    type: bool
+    initial_value: 'false'
+
+# -----------------------------------------------------------------------------
+# Camera Configuration (OV3660 - DFR1154 Specific)
+# -----------------------------------------------------------------------------
+esp32_camera:
+  id: litter_cam
+  name: "Litter Box Camera"
+  
+  # Hardware Interface - DFR1154 Pinout
+  external_clock:
+    pin: GPIO5
+    frequency: 20MHz
+  i2c_pins:
+    sda: GPIO8
+    scl: GPIO9
+  data_pins: [GPIO16, GPIO18, GPIO21, GPIO17, GPIO14, GPIO7, GPIO6, GPIO4]
+  vsync_pin: GPIO1
+  href_pin: GPIO2
+  pixel_clock_pin: GPIO15
+  
+  # Image Parameters
+  max_framerate: 10 fps
+  idle_framerate: 0.1 fps
+  resolution: 800x600
+  jpeg_quality: 10
+  vertical_flip: true
+  horizontal_mirror: false
+  aec_mode: AUTO
+  agc_mode: AUTO
+  wb_mode: AUTO
+  brightness: 0
+  contrast: 1
+  saturation: 0
+
+# Web server for manual viewing
+esp32_camera_web_server:
+  - port: 8080
+    mode: stream
+  - port: 8081
+    mode: snapshot
+
+# -----------------------------------------------------------------------------
+# GPIO Outputs
+# -----------------------------------------------------------------------------
+output:
+  - id: led_status
+    platform: gpio
+    pin: GPIO3
+  
+  - id: ir_led
+    platform: gpio
+    pin: GPIO47
+  
+  - id: speaker_gain
+    platform: gpio
+    pin: GPIO41
+  
+  - id: speaker_mode
+    platform: gpio
+    pin: GPIO40
+
+# -----------------------------------------------------------------------------
+# Lights
+# -----------------------------------------------------------------------------
+light:
+  - platform: binary
+    name: "Status LED"
+    id: status_led
+    output: led_status
+  
+  - platform: binary
+    name: "IR Night Vision"
+    id: ir_night_vision
+    output: ir_led
+    restore_mode: RESTORE_DEFAULT_OFF
+
+# -----------------------------------------------------------------------------
+# Binary Sensors
+# -----------------------------------------------------------------------------
+binary_sensor:
+  - platform: template
+    name: "Motion Detected"
+    id: motion_detected
+    device_class: motion
+  
+  - platform: template
+    name: "Needs Scooping"
+    id: needs_scooping_sensor
+    device_class: problem
+    icon: "mdi:shovel"
+  
+  - platform: template
+    name: "Litter Level Low"
+    id: litter_level_low_sensor
+    device_class: problem
+    icon: "mdi:cup-outline"
+  
+  - platform: template
+    name: "Cat Present"
+    id: cat_present_sensor
+    device_class: occupancy
+    icon: "mdi:cat"
+
+# -----------------------------------------------------------------------------
+# Sensors
+# -----------------------------------------------------------------------------
+sensor:
+  - platform: wifi_signal
+    name: "WiFi Signal"
+    update_interval: 60s
+  
+  - platform: template
+    name: "Cleanliness Score"
+    id: cleanliness_score_sensor
+    unit_of_measurement: "%"
+    icon: "mdi:star"
+    accuracy_decimals: 0
+  
+  - platform: template
+    name: "Daily Cat Visits"
+    id: cat_visits_sensor
+    icon: "mdi:paw"
+    accuracy_decimals: 0
+  
+  - platform: template
+    name: "Last Analysis"
+    id: last_analysis_time
+    device_class: timestamp
+    icon: "mdi:clock-outline"
+
+# -----------------------------------------------------------------------------
+# Text Sensors
+# -----------------------------------------------------------------------------
+text_sensor:
+  - platform: version
+    name: "ESPHome Version"
+  
+  - platform: template
+    name: "Status Message"
+    id: status_message
+    icon: "mdi:message-text"
+
+# -----------------------------------------------------------------------------
+# Switches
+# -----------------------------------------------------------------------------
+switch:
+  - platform: restart
+    name: "Restart Camera"
+  
+  - platform: template
+    name: "Auto Capture Enabled"
+    id: auto_capture_enabled
+    optimistic: true
+    restore_mode: RESTORE_DEFAULT_ON
+
+# -----------------------------------------------------------------------------
+# Buttons
+# -----------------------------------------------------------------------------
+button:
+  - platform: template
+    name: "Capture Now"
+    icon: "mdi:camera"
+    on_press:
+      - script.execute: capture_image_script
+
+# -----------------------------------------------------------------------------
+# Scripts
+# -----------------------------------------------------------------------------
+script:
+  - id: capture_image_script
+    mode: single
+    then:
+      - lambda: 'ESP_LOGI("capture", "Capturing image...");'
+      - light.turn_on: status_led
+      - delay: 200ms
+      - lambda: |-
+          auto cam = id(litter_cam);
+          camera::Camera::FrameBuffer *fb = cam->get_image();
+          if (fb) {
+            size_t out_len = 4 * ((fb->length + 2) / 3);
+            char *base64_buffer = (char *)malloc(out_len + 1);
+            if (base64_buffer) {
+              size_t encoded_len = 0;
+              int ret = mbedtls_base64_encode(
+                (unsigned char *)base64_buffer, out_len + 1, &encoded_len,
+                fb->buf, fb->length);
+              if (ret == 0) {
+                base64_buffer[encoded_len] = '\0';
+                id(mqtt_client).publish("litter_box/camera/image", base64_buffer);
+                ESP_LOGI("capture", "Published image");
+                id(status_message).publish_state("Image sent for analysis");
+              }
+              free(base64_buffer);
+            }
+            cam->return_image(fb);
+          }
+      - light.turn_off: status_led
+      - lambda: 'id(motion_cooldown_active) = true;'
+      - delay: 30s
+      - lambda: 'id(motion_cooldown_active) = false;'
\ No newline at end of file