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+# ESP32S3
+
+已按您指定的顺序（先 **2.pdf**，后 **3.pdf**）提取并整理文字内容如下：
+
+---
+
+### **来自 2.pdf 的内容：**
+
+**Specification**
+
+| Item | Seeed Studio XIAO ESP32S3 | Seeed Studio XIAO ESP32S3 Sense |
+|------|---------------------------|----------------------------------|
+| **Processor** | ESP32-S3R8<br>Xtensa LX7 dual-core, 32-bit processor that operates at up to 240 MHz | ESP32-S3R8<br>Xtensa LX7 dual-core, 32-bit processor that operates at up to 240 MHz |
+| **Wireless** | Complete 2.4GHz Wi-Fi subsystem<br>BLE: Bluetooth 5.0, Bluetooth mesh | Complete 2.4GHz Wi-Fi subsystem<br>BLE: Bluetooth 5.0, Bluetooth mesh |
+| **Built-in Sensors** | — | OV2640 camera sensor for 1600×1200<br>Digital microphone |
+| **Memory** | On-chip 8MB PSRAM & 8MB Flash | On-chip 8MB PSRAM & 8MB Flash<br>Onboard SD Card Slot, supporting 32GB FAT |
+| **Interface** | 1× UART, 1× I²C, 1× I²S, 1× SPI, 11× GPIOs (PWM), 9× ADC,<br>1× User LED, 1× Charge LED,<br>1× Reset button, 1× Boot button | 1× UART, 1× I²C, 1× I²S, 1× SPI, 11× GPIOs (PWM), 9× ADC,<br>1× User LED, 1× Charge LED, 1× B2B Connector (with 2 additional GPIOs),<br>1× Reset button, 1× Boot button |
+| **Dimensions** | 21 × 17.5 mm | 21 × 17.5 × 15 mm (with expansion board) |
+
+**Power Specifications**
+
+- **Input voltage (Type-C)**: 5V  
+- **Input voltage (BAT)**: 4.2V  
+
+| | XIAO ESP32S3 | XIAO ESP32S3 Sense |
+|---|---|---|
+| **Circuit operating voltage (ready to operate)** | - Type-C: 5V @ 19 mA<br>- BAT: 3.8V @ 22 mA | - Type-C: 5V @ 38.3 mA<br>- BAT: 3.8V @ 43.2 mA (with expansion board) |
+
+**Webcam Web application**  
+- **Type-C**:  
+  - Average power consumption: 5V / 138 mA  
+  - Photo moment: 5V / 341 mA  
+- **Battery**:  
+  - Average power consumption: 3.8V / 154 mA  
+  - Photo moment: 3.8V / 304 mA  
+
+**Microphone recording & SD card writing**  
+- **Type-C**:  
+  - Average power consumption: 5V / 46.5 mA  
+  - Peak power consumption: 5V / 89.6 mA  
+- **Battery**:  
+  - Average power consumption: 3.8V / 54.4 mA  
+  - Peak power consumption: 3.8V / 108 mA  
+
+**Charging battery current**:  
+- XIAO ESP32S3: 50 mA  
+- XIAO ESP32S3 Sense: 100 mA  
+
+（文档末尾有不完整语句：“Withoutanv nerinhorale·”，疑似扫描或排版错误，可忽略。）
+
+---
+
+### **来自 3.pdf 的内容：**
+
+**Low Power Consumption Modes (Battery voltage: 3.8V)**  
+
+- **Base board only**:  
+  - Modem-sleep: 25.5 mA  
+  - Light-sleep: 2.4 mA  
+  - Deep Sleep: 63.768 µA  
+
+- **Connecting the camera**:  
+  - Modem-sleep: 44.57 mA  
+  - Light-sleep: 5.47 mA  
+
+- **Connecting an SD Card**:  
+  - Modem-sleep: 32.8 mA  
+  - Light-sleep: 3.48 mA  
+  - Deep Sleep: 1.08 mA  
+
+- **Simultaneously connect camera + SD card**:  
+  - Modem-sleep: 55.72 mA  
+  - Light-sleep: 6.56 mA  
+  - Deep Sleep: 3.98 mA  
+
+**Wireless Power Consumption (Active Mode)**  
+- Wi-Fi Enabled: ~100 mA  
+- BLE Enabled: ~85 mA  
+- With expansion board:  
+  - Wi-Fi + camera: ~110 mA  
+  - BLE + microphone + SD: ~102 mA  
+
+**Working Temperature**: -40°C ~ +65°C  
+
+**Features**  
+- **Powerful MCU Board**: ESP32-S3 dual-core Xtensa LX7 @ 240 MHz, supports Arduino / MicroPython  
+- **Advanced Functionality (Sense version)**: Detachable OV2640 camera (1600×1200), compatible with OV5640, built-in digital mic  
+- **Elaborate Power Design**: Lithium battery charging, 4 low-power modes, deep sleep as low as **14 µA** (note: likely refers to specific config with SD only)  
+- **Great Memory**: 8MB PSRAM + 8MB Flash + SD slot (up to 32GB FAT)  
+- **Outstanding RF**: 2.4GHz Wi-Fi + BLE 5.0, >100m range with U.FL antenna  
+- **Compact Design**: 21×17.5 mm, ideal for wearables and space-constrained projects  
+
+**Hardware Overview**  
+- Includes front indication diagram labels: **REST BUTTON**, **BOOT BUTTON**
+
+---
+
+如需将这些参数用于项目选型、功耗估算或与 Orange Pi 等设备对比，请随时告知！
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