Reference: RBD-1214
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The Seeed Studio XIAO ESP32-S3 is a powerful, thumb-sized microcontroller development board built around the ESP32-S3 dual-core Xtensa LX7 processor. Running at up to 240MHz, this board delivers high performance while maintaining exceptional energy efficiency. Supporting both 2.4GHz WiFi and Bluetooth 5.0 (BLE), it is ideal for a broad range of wireless IoT applications such as smart homes, robotics, wearables, and more. With its low power consumption (as low as 14μA in deep sleep mode), integrated lithium battery charging, and breadboard-friendly design, it’s perfect for compact, energy-efficient embedded systems.
Product Description:
The Seeed Studio XIAO ESP32-S3 is a powerful, thumb-sized microcontroller development board built around the ESP32-S3 dual-core Xtensa LX7 processor. Running at up to 240MHz, this board delivers high performance while maintaining exceptional energy efficiency. Supporting both 2.4GHz WiFi and Bluetooth 5.0 (BLE), it is ideal for a broad range of wireless IoT applications such as smart homes, robotics, wearables, and more. With its low power consumption (as low as 14μA in deep sleep mode), integrated lithium battery charging, and breadboard-friendly design, it’s perfect for compact, energy-efficient embedded systems.
Key Features:
High-Performance MCU
Powered by a dual-core Xtensa 32-bit LX7 processor running at up to 240MHz.
Wireless Connectivity
Supports 2.4GHz WiFi and BLE 5.0 for fast and versatile communication, with over 100m range via optional U.FL antenna.
Ultra-Low Power Consumption
Multiple power modes including deep sleep at just 14μA, ideal for long-term battery-operated applications.
Battery Charging Support
Onboard lithium battery charge management for easy power integration.
Compact and Sleek Design
Classic XIAO form factor at just 21 x 17.8mm—perfect for wearable and space-limited projects.
No Back-Side Components
SMD-friendly layout ensures easy mounting and compatibility with commercial PCBA services.
Flexible Development Environment
Supports Arduino and MicroPython for rapid prototyping and flexible programming options.
Technical Specifications:
Processor: Dual-core Xtensa LX7 @ 240MHz
Wireless: 2.4GHz WiFi, BLE 5.0
Power Supply: 5V via USB or battery input
Charging: Lithium battery charging supported
Antenna: Onboard rod antenna with optional U.FL interface
Deep Sleep Current: ~14μA
Form Factor: 21 x 17.8 mm
I/O: Multiple GPIOs, USB-C port
Programming: Arduino IDE, MicroPython
Applications:
IoT Device Development
Wearable Technology
Wireless Robotics
Smart Home Automation
Battery-Powered Sensors
Edge AI & ML Projects
Package Includes:
1 x Seeed Studio XIAO ESP32-S3 Development Board
Why Choose Seeed XIAO ESP32-S3?
This board merges compact size with powerful capabilities. Whether you're prototyping a new wearable device or scaling up an IoT deployment, its integrated design, low power profile, and flexible connectivity options make it a go-to solution for developers. Plus, it’s optimized for production with Seeed's Fusion PCBA support, offering affordable manufacturing options and rapid time-to-market.
Take your smart projects further—add the Seeed Studio XIAO ESP32-S3 to your toolkit today



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The Seeed Studio XIAO ESP32-S3 is a powerful, thumb-sized microcontroller development board built around the ESP32-S3 dual-core Xtensa LX7 processor. Running at up to 240MHz, this board delivers high performance while maintaining exceptional energy efficiency. Supporting both 2.4GHz WiFi and Bluetooth 5.0 (BLE), it is ideal for a broad range of wireless IoT applications such as smart homes, robotics, wearables, and more. With its low power consumption (as low as 14μA in deep sleep mode), integrated lithium battery charging, and breadboard-friendly design, it’s perfect for compact, energy-efficient embedded systems.
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