Description
Seeed Studio XIAO ESP32S3 – Dual-Core WiFi BLE 5.0 IoT Development Board
The Seeed Studio XIAO ESP32S3 (113991114) is an ultra-compact, high-performance IoT development board designed for wireless communication, embedded systems, wearable electronics, and smart automation projects. Powered by the ESP32-S3R8 32-bit dual-core Xtensa LX7 processor operating at up to 240MHz, it delivers efficient processing capabilities in a thumb-sized form factor.
Featuring integrated 2.4GHz WiFi and Bluetooth 5.0 Low Energy (BLE) connectivity, the XIAO ESP32S3 enables wireless communication for smart home devices, sensor networks, and connected IoT applications. With 8MB PSRAM and 8MB Flash memory, the board provides resources for embedded programming, data processing, and TinyML development.
Measuring just 21 × 17.8mm, the board offers 11 GPIO connections, 9 ADC channels, and UART, I2C, and SPI interfaces for connecting compatible sensors, displays, and peripheral modules. Its integrated lithium battery charging management supports portable and battery-powered applications.
The board also features a USB Type-C interface for programming and power, an external U.FL antenna connection for wireless communication, and compatibility with Arduino IDE, MicroPython, and ESP-IDF development environments.
With its compact design, dual-core processing performance, wireless connectivity, and versatile expansion interfaces, the XIAO ESP32S3 is ideal for IoT prototyping, wearable technology, wireless sensor networks, robotics, and embedded AI projects.
Key Features
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ESP32-S3 Dual-Core Processor: 32-bit Xtensa LX7 processor operating at up to 240MHz for embedded applications.
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2.4GHz WiFi Connectivity: Supports IEEE 802.11 b/g/n wireless networking for connected IoT devices.
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Bluetooth 5.0 Low Energy: Enables BLE communication and Bluetooth Mesh development.
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8MB PSRAM and 8MB Flash: Offers memory capacity for firmware, data handling, and embedded AI applications.
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Ultra-Compact Form Factor: Measures 21 × 17.8mm, ideal for wearables and space-constrained electronic projects.
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11 GPIO Connections: Supports digital input/output and PWM functions for interfacing with external components.
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9 ADC Channels: Enables analog measurement from compatible sensors.
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Multiple Communication Interfaces: Provides UART, I2C, and SPI for sensor and peripheral integration.
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Low-Power Operation: Supports deep-sleep power consumption as low as approximately 14µA under specified conditions.
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Lithium Battery Charging Management: Enables rechargeable battery-powered embedded applications.
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External U.FL Antenna Connection: Supports an external antenna for wireless connectivity.
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USB Type-C Interface: Provides convenient programming and 5V power input.
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Arduino and MicroPython Support: Suitable for beginners, students, and professional embedded developers.
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TinyML Development: Supports suitable embedded machine learning applications using the ESP32-S3 processor.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Seeed Studio |
| Product Name | XIAO ESP32S3 |
| Manufacturer Part Number | 113991114 |
| Product Type | WiFi BLE IoT Development Board |
| Microcontroller | ESP32-S3R8 |
| Processor Architecture | 32-bit Xtensa LX7 Dual-Core |
| Maximum Clock Frequency | 240MHz |
| PSRAM | 8MB |
| Flash Memory | 8MB |
| Wireless Connectivity | 2.4GHz WiFi, Bluetooth 5.0 LE |
| WiFi Standard | IEEE 802.11 b/g/n |
| Bluetooth Support | BLE 5.0, Bluetooth Mesh |
| GPIO | 11 |
| ADC Channels | 9 |
| Communication Interfaces | UART, I2C, SPI |
| PWM Support | Yes |
| USB Interface | USB Type-C |
| USB Power Input | 5V DC |
| Battery Input | 3.7V Nominal Lithium Battery |
| Battery Charging | Onboard Lithium Battery Charging Management |
| Typical Charging Current | 50mA Fast / 3.8mA Trickle |
| Deep-Sleep Current | Approximately 14µA |
| Antenna Connector | U.FL |
| Operating Temperature | -20°C to +65°C |
| Board Dimensions | 21 × 17.8mm |
| Development Support | Arduino IDE, MicroPython, ESP-IDF |
Applications
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Internet of Things (IoT): Develop WiFi-enabled connected devices for data monitoring and remote control.
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Smart Home Automation: Build wireless lighting controls, smart switches, and connected monitoring systems.
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Wearable Electronics: Create compact wearable devices and interactive electronic projects.
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Wireless Sensor Networks: Collect and transmit environmental and sensor information through WiFi or BLE.
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Battery-Powered Devices: Design portable, low-power applications using suitable rechargeable lithium batteries.
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TinyML and Edge AI: Experiment with embedded machine learning and intelligent sensor processing.
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Robotics and Automation: Integrate wireless communication into robotic platforms and embedded controllers.
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Environmental Monitoring: Develop connected temperature, humidity, and air-quality monitoring devices using external sensors.
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Bluetooth Applications: Build BLE-based remote controls, wireless interfaces, and smartphone-connected devices.
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Educational Projects: Learn ESP32 programming, wireless networking, and embedded system development.
Package Contents
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1 × Seeed Studio XIAO ESP32S3 Development Board
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1 × External WiFi/BLE Antenna
Note: Header pins, battery, USB Type-C cable, sensors, camera, microphone, and microSD expansion board are not included unless specifically confirmed for the supplied package.
Additional Information
The standard XIAO ESP32S3 offers wireless connectivity and processing capabilities for embedded development. Unlike the XIAO ESP32S3 Sense, this version does not include an onboard camera, microphone, or microSD expansion board.
For technical specifications, setup instructions, programming examples, and pinout information, refer to the Seeed Studio XIAO ESP32S3 Official Wiki.