The Seeed Studio XIAO Series is a collection of thumb-sized, powerful microcontroller units (MCUs) tailor-made for space-conscious projects requiring high performance and wireless connectivity. Embodying the essence of popular hardware platforms such as ESP32, RP2040, nRF52840, and SAMD21, the Arduino-compatible XIAO series is the perfect toolset for you to embrace tiny machine learning (TinyML) on the Edge.
XIAO is a combination of compactness, capability, and user-friendly design. The whole XIAO Series features compact design with all SMD components placed on the same side of the board, so designers can easily integrate XIAO into their boards for rapid mass production.
| Seeed Studio XIAO SAMD21 | Seeed Studio XIAO RP2040 | Seeed Studio XIAO nRF52840 | Seeed Studio XIAO nRF52840 Sense |
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| XIAO SAMD21 is an ultra-small, high-performance universal development board. | XIAO RP2040 is an ultra-small, high-performance universal development board. Features onboard 2MB flash, MicroPython support. | XIAO nRF52840 features ultra-low power BLE, suitable for wireless wearable device. | XIAO nRF52840 Sense features an onboard microphone and 3-axis IMU, suitable for the TinyML AI+IOT project. |
| 🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
| Seeed Studio XIAO ESP32C3 | Seeed Studio XIAO ESP32C6 | Seeed Studio XIAO ESP32S3 | Seeed Studio XIAO ESP32S3 Sense |
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| XIAO ESP32C3 is a low-cost, high-performance RISC-V IOT development board that supports Bluetooth&WIFI and low-power mode. | Excels in Matter-compliant smart home applications | Small yet extraordinary, a new Benchmark in IoT Application | Ultra-small ESP32-S3 development board with OV2640 camera, a risging star in the fields of TinyML and Smart Home |
| 🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
| Seeed Studio XIAO RA4M1 | Seeed Studio XIAO RP2350 | Seeed Studio XIAO MG24 | Seeed Studio XIAO MG24 Sense |
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| The XIAO RA4M1 integrates Renesas' RA4M1 chip (32-bit ARM® Cortex®-M4 MCU up to 48 MHz) into the classic XIAO form factor. | The XIAO RP2350 packs the power of the Raspberry Pi RP2350 (dual Cortex-M33 cores running at 150MHz with FPU, enhanced security and encryption) into the classic XIAO form factor. | XIAO MG24 is an ultra-low-power wireless development board based on Silicon Labs' EFR32MG24 SoC, featuring a high-performance 78MHz ARM Cortex®-M33 core | XIAO MG24 is an ultra-low-power wireless development board based on Silicon Labs' EFR32MG24 SoC, featuring a high-performance 78MHz ARM Cortex®-M33 core |
| 🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
🖱️ Buy Now 📚 Getting Started |
| Seeed Studio XIAO SAMD21 | Seeed Studio XIAO RP2040 | Seeed Studio XIAO RP2350 | Seeed Studio XIAO nRF52840 | Seeed Studio XIAO nRF52840 Sense | Seeed Studio XIAO ESP32C3 | Seeed Studio XIAO ESP32C6 | Seeed Studio XIAO ESP32S3 | Seeed Studio XIAO ESP32S3 Sense | Seeed Studio XIAO RA4M1 | Seeed Studio XIAO MG24 | Seeed Studio XIAO MG24 Sense | |
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| SKU | 102010328 | 102010428 | 102010637 | 102010448 | 102010469 | 113991054 | 113991254 | 113991114 | 113991115 | 102010638 | 102010610 | 102010610 |
| Chip | Microchip SAMD21 | Raspberry Pi RP2040 | Raspberry Pi RP2350 | Nordic nRF52840 | Nordic nRF52840 | Expressif ESP32C3 | Expressif ESP32C6 | Expressif ESP32S3 | Expressif ESP32S3 | Renesas RA4M1 | Silicon Labs EFR32MG24 | Silicon Labs EFR32MG24 |
| Architecture | Cortex-M0+ running up to 48MHz |
Dual-core Cortex-M0+ running up to 133 MHz |
Dual-core Cortex-M33 with FPU running up to 150 MHz |
Cortex-M4 running up to 64 MHz |
Cortex-M4 running up to 64 MHz |
RISC-V running up to 160 MHz |
Dual RISC-V with the HP one running up to 160MHz |
Dual-core Xtensa LX7 running up to 240 MHz |
Dual-core Xtensa LX7 running up to 240 MHz |
Arm Cortex-M4 Core with FPU running up to 48 MHz |
ARM Cortex-M33 running up to 78 MHz |
ARM Cortex-M33 running up to 78 MHz |
| RAM | 32 KB SRAM | 264 KB SRAM | 264 KB SRAM | 256 KB RAM | 256 KB RAM | 400 KB SRAM | 512 KB SRAM | 512 KB SRAM 8MB PSRAM |
512 KB SRAM 8MB PSRAM |
32 KB SRAM | 256 KB SRAM | 256 KB SRAM |
| Flash & ROM (chip) | 256KB | ❌ | 2MB | 1MB | 1MB | 4MB | 4MB | 384KB | 384KB | 256KB | 1536KB | 1536KB |
| Flash (onboard) | ❌ | 2MB | 2MB | 2MB | 2MB | ❌ | ❌ | 8MB | 8MB | ❌ | 4MB | 4MB |
| Built-in Sensors | ❌ | ❌ | ❌ | ❌ | IMU, Microphone | ❌ | ❌ | ❌ | OV2640 camera, Microphone | ❌ | ❌ | 6-Axis IMU, Microphone |
| Digital / Analog Pins | 11/11 | 19/3 | 11/4 | 11/6 | 11/6 | 11/4 | 11/6 | 11/9 | 13/11 | 14/19 | 11/11 | 11/19 |
| I2C/UART/SPI | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Buletooth | ❌ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ |
| WiFi | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ |
| Zigbee | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Thread | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ |
| Matter | ❌ | ❌ | ❌ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ |
| Reset Button | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Boot Button | ❌ | ✅ | ✅ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| User LED | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Baterry Charge LED and Chip | ❌ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Low Power Mode | ❌ | ❌ | 27μA | 5μA | 5μA | 44μA | 15μA | 14μA | 26.5mA | 45μA | 1.95μA | 1.95μA |
| Programming Langusges | ||||||||||||
| Arduino | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| CircuitPython | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| MicroPython | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ | ✅ | ✅ | ❌ | ❌ | ❌ | ❌ |
XIAO SoM User Manual opensource hardware & software resources of XIAO, providing professional product design guidelines to help you accelerate your ideas off the ground. This User Manual can provide everything needed from module selection to the final manufacturing.
This course guides you through a series of practical exercises and project-based activities. By using Seeed Studio XIAO series products, you will embark on a step-by-step journey to master Arduino, starting from the basics of LED lighting and progressing towards more advanced projects such as Arduino wearables and miniaturized device. In addition, you will learn how to quickly create a usable electronic product prototype from the course.
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[PDF] ATSAMD218A-MU datasheet
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[PDF] RP2040 datasheet
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[PDF] nRF52840 datasheet
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[PDF] nRF52840 datasheet
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[PDF] ESP32C3 datasheet
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[DXF] Seeed Studio XIAO ESP32S3 Sense Dimension in DXF (top)
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[DXF] Seeed Studio XIAO ESP32S3 Sense Dimension in DXF (bottom)
- 📄 [PDF] RA4M1 datasheet
- 📄 [PDF] Seeed Studio XIAO RA4M1 Schematic
- 📄 [ZIP] KiCAD Libraries
- 🔗 [Kicad] Seeed Studio XIAO RA4M1 FootPrint
- 📄 [PDF] RP2350 Datasheet
- 📄 [PDF] Seeed Studio XIAO RP2350 Schematic
- 📄 [XLSX] Seeed Studio XIAO RP2350 Pinout Sheet
- 📄 [DXF] Seeed Studio XIAO RP2350 Dimension in DXF
- 🔗 [Link] Seeed Studio XIAO RP2350 3D STEP File
- 📄 [ZIP] Seeed Studio XIAO RP2350 v1.0 SCH&PCB
Related Resources
- 📄 [PDF] Getting Started with Raspberry Pi Pico-series: A comprehensive guide to setting up and programming Raspberry Pi Pico boards, ideal for beginners looking to learn MicroPython or C/C++.
- 📄 [PDF] Raspberry Pi Pico-series Python SDK the book which documents the MicroPython setup tutorials and APIs
- 📄 [PDF] Raspberry Pi Pico-series C/C++SDK the book which documents the Pico C/C++ SDK APIs
- 🔗 [Kicad] Seeed Studio XIAO RP2350 FootPrint
- 📄 [PDF] Seeed Studio XIAO MG24 Sense datasheet
- 📄 [PDF] Seeed Studio XIAO MG24 Sense Schematic
- 📄 [PDF] Seeed Studio XIAO MG24 Sense Wireless SoC
- 🔗 [Kicad] Seeed Studio XIAO MG24 Sense FootPrint
- 📄 [PDF] Seeed Studio XIAO MG24 datasheet
- 📄 [PDF] Seeed Studio XIAO MG24 Schematic
- 📄 [PDF] Seeed Studio XIAO MG24 Wireless SoC
- 🔗 [Kicad] Seeed Studio XIAO MG24 FootPrint
