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seeed-xiao-esp32s3

3 min read

Important Note

This entire repo was AI created - including all of the data within. The intent was to A) help me with my personal electronics inventory; and B) see how I could use AI to make that process a bit easier. DO NOT TRUST!

Seeed Studio XIAO ESP32S3

Details

Description

Seeed Studio XIAO ESP32S3 is a powerful, thumb-sized development board featuring the ESP32-S3R8 dual-core processor with integrated WiFi and Bluetooth connectivity. Part of the acclaimed XIAO series, this board combines high performance with ultra-compact design, making it perfect for IoT applications, TinyML projects, and space-constrained embedded systems.

Specifications

  • Part Number: 113991114
  • Microcontroller: ESP32-S3R8
  • Architecture: Xtensa LX7 32-bit dual-core
  • Clock Speed: 240MHz
  • Operating Voltage: 3.3V
  • Flash Memory: 8MB
  • PSRAM: 8MB
  • Dimensions: 21.0mm x 17.8mm x 3.5mm
  • Weight: ~2.5g

Image

Seeed Studio XIAO ESP32S3

Features

  • Dual-Core Performance: ESP32-S3 with dual Xtensa LX7 cores @ 240MHz
  • Rich Memory: 8MB Flash + 8MB PSRAM for complex applications
  • Dual Wireless: WiFi 802.11 b/g/n + Bluetooth 5.0 + BLE
  • USB-C Connector: Modern connector for programming and power
  • Battery Management: Built-in lithium battery charging circuit
  • Compact Design: Smallest ESP32-S3 development board
  • Arduino Compatible: Full Arduino IDE and ESP-IDF support
  • Low Power: Multiple sleep modes for battery applications

Pin Configuration

  • Digital I/O: 11 GPIO pins
  • Analog Inputs: 9 pins (12-bit ADC)
  • PWM: All GPIO pins support PWM
  • I2C: SDA (D4), SCL (D5)
  • SPI: MOSI (D10), MISO (D9), SCK (D8)
  • UART: TX (D6), RX (D7)
  • Special: Touch-capable pins available

Power Specifications

  • Operating Voltage: 3.3V
  • Input Voltage: 5V (USB-C) or 4.2V (battery)
  • Current Consumption:
    • Active (WiFi): ~100mA
    • Active (BLE): ~85mA
    • Light Sleep: ~2mA
    • Deep Sleep: ~14μA
  • Battery Charging: 100mA charging current
  • Power Management: Advanced power management with multiple sleep modes

Wireless Capabilities

WiFi

  • Standards: 802.11 b/g/n (2.4GHz)
  • Modes: Station, Access Point, Station+AP
  • Security: WEP, WPA, WPA2, WPA3
  • Range: 100m+ with external antenna

Bluetooth

  • Version: Bluetooth 5.0 + BLE
  • Protocols: Classic Bluetooth, BLE, Bluetooth Mesh
  • Range: Up to 10m (Class 2)
  • Power: Ultra-low power BLE support

Applications

  • IoT sensor networks
  • TinyML and edge AI projects
  • Smart home controllers
  • Wearable devices
  • Wireless sensor nodes
  • Battery-powered projects
  • Bluetooth audio projects
  • WiFi-enabled embedded systems

Programming

  • Arduino IDE: Full support with ESP32 board package
  • ESP-IDF: Native Espressif development framework
  • MicroPython: MicroPython support
  • PlatformIO: Professional development environment
  • TinyML: Machine learning on microcontrollers

XIAO Ecosystem

  • Form Factor: Compatible with all XIAO accessories
  • Expansion Boards: Grove Base, Expansion Board
  • Shields: Various XIAO-compatible shields available
  • Community: Large XIAO developer community

Advantages

  • High Performance: Dual-core 240MHz processor
  • Rich Memory: 8MB Flash + 8MB PSRAM
  • Dual Connectivity: WiFi + Bluetooth in tiny package
  • Low Power: Excellent for battery applications
  • Easy Development: Arduino IDE compatibility
  • Cost Effective: Great price-to-performance ratio
  • Compact Size: Perfect for space-constrained projects

Hardware Features

  • USB-C: Modern connector, more durable than micro USB
  • Battery Connector: JST connector for lithium battery
  • Reset Button: Convenient program restart
  • Boot Button: Enter bootloader mode
  • User LED: Built-in status indicator
  • Antenna Connector: U.FL connector for external antenna

Comparison with Other XIAO Boards

  • vs ESP32C3: Dual-core vs single-core, more memory
  • vs SAMD21: Wireless connectivity vs USB native
  • vs ESP32S2: Bluetooth support vs native USB

Notes

  • Most powerful board in the XIAO series
  • Dual-core ESP32-S3 provides excellent multitasking capabilities
  • 8MB Flash + 8MB PSRAM enables complex applications
  • Perfect for TinyML and edge AI projects
  • Built-in battery charging makes it ideal for portable projects
  • Compatible with XIAO ecosystem accessories
  • Excellent for learning dual-core programming
  • Great for IoT projects requiring both WiFi and Bluetooth

Tags

microcontroller, esp32s3, wifi, bluetooth, ble, xiao, seeed, dual-core, iot, tinyml

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