YJJ XIAO-ESP32-S3 Sense Plus Dual-Core 32-Bit Xtensa LX7 Processor Development Board Module

Product Description:

YJJ XIAO-ESP32-S3 Sense Plus Dual-Core 32-Bit Xtensa LX7 Processor Development Board Module

Features:

XIAO ESP32-S3 Sense (AI Vision Edition)
In addition to the standard version, it includes:
OV2640 camera (1600×1200), supporting face / image recognition
Built-in digital microphone for voice collection
Reserved SD card slot for local image and audio storage
Suitable for AI vision, voice recognition, monitoring, and image acquisition projects. Seeed Stud...
II. Core Hardware Parameters
Main control chip: ESP32-S3R8
Dual-core Xtensa LX7, with a main frequency of 240 MHz, built-in AI vector acceleration instruction set (NPU)
Built-in 2.4G WiFi + BLE 5.0, supporting Bluetooth Mesh Storage
Standard version: 8MB Flash + 8MB Octal PSRAM
Plus version: 16MB Flash + 8MB PSRAM
Size: 21 × 17.8mm, thumb-sized, surface mount mini package
Power design (key advantages)
USB-C 5V power supply; supports 3.7V lithium battery direct insertion (BAT pad)
Built-in lithium battery charging management, charging indicator light
Minimum power consumption in deep sleep mode 14μA, suitable for battery-powered devices
Antenna
Built-in board-mounted PCB antenna; side U.FL socket can be connected with external antenna, communication distance over 100 meters
Peripheral resources
11 general-purpose GPIO (D0~D10)
9 ADC analog inputs, 9 capacitive touch buttons
1 I2C, 1 SPI, 1 hardware UART
1 programmable RGB status LED, reset + BOOT button
Native USB OTG, can be used as USB keyboard / mouse / USB drive device
III. Pin Function Quick Reference Table Table
Screen printing Core GPIO Reused Function
D0/A0 GPIO1 ADC, Touch1
D1/A1 GPIO2 ADC, Touch2
D2/A2 GPIO3 ADC, Touch3
D3/A3 GPIO4 ADC, Touch4
D4/A4 GPIO5 I2C SDA, Touch5
D5/A5 GPIO6 I2C SCL, Touch6 D6 GPIO43 UART TX
D7 GPIO44 UART RX
D8/A8 GPIO7 SPI SCK, Touch7
D9/A9 GPIO8 SPI MISO, Touch8
D10/A10 GPIO9 SPI MOSI, Touch9
Power pins: 5V, 3V3, GND, BAT (lithium battery), EN (enable). Seeed Stud...
IV. Supported Development Environments
1. Arduino IDE (recommended for beginners)
File → Preferences, add the address of the additional development board: https://espressif.github.io/arduino-esp32/package_esp32_index.json
The development board manager searches for the esp32 installation libraries.
Development board selection: XIAO ESP32S3
2. MicroPython (quick verification, AI prototype)
Using Thonny IDE, install the corresponding firmware, directly develop image, voice, WiFi with Python
3. ESP-IDF (professional mass production, high performance)
Native C/C++ development, supports complete ESP32-S3 hardware acceleration, deep low-power configuration, suitable for industrial projects
4. PlatformIO (VSCode plugin)
Cross-platform unified compilation, automatically manages dependencies, suitable for long-term project maintenance of Seeed Stud...
Five, typical application scenarios
Low-power wearable devices: wristbands, wireless sensors, button battery collector
AI vision projects (Sense version): face recognition, object detection, intelligent access control, image capture
Voice interaction: voice pickup, local voice recognition, Bluetooth speaker
Internet of Things nodes: WiFi reporting sensor data, Bluetooth gateway, smart home controller
USB HID devices: wireless keyboard, touchpad, custom USB controller
Portable data recorder: paired with SD card for temperature humidity, image, audio storage

Specifications: