Seeed Studio XIAO INTRODUCTION

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, RP2350, RP2040, nRF52840, and SAMD21, the Arduino-compatible XIAO series is the perfect toolset for you to embrace tiny machine learning (TinyML) on the Edge.

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Seeed Studio XIAO Series Comparison Table

	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
SKU	102010328	102010428	102010550	102010448	102010469	113991054	113991254	113991114	113991115	102010551	102010590	102010610
Short Description	Universal With Strong Stability and Compatibility	Compatible with the Raspberry Pi RP2040 ecosystem	Compatible with the Raspberry Pi RP2350 ecosystem	Ultra-low power consumption Bluetooth 5.0 Suitable for consumergrade product applications	Advanced Version of XIAO nRF52840 With Onboard Microphone And 3-Axis IMU	With WiFi and BLE, Budget Friendly Risc-V	With WiFi-6, BLE, Zigbee, and Thread for Matter	With WiFi and BLE, High Performance	Advanced Version of XIAO ESP32S3 with OV2640 Camera and Microphone	Renesas 32-bit ARM Cortex-M4 MCU, compatible with Arduino IDE	Matter, Open Thread, Zigbee, Bluetooth Low Energy (BLE 5.3), Bluetooth Mesh, Proprietary 2.4 GHz	Advanced Version of XIAO MG24 with Six-axis acceleration sensors and Microphone
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 Sense
Architecture	Cortex-M0+ running up to 48MHz	Dual-core Cortex-M0+ running up to 133 MHz	Dual ARM Cortex-M33 running up to 150 MHz with FPU switchable RISC‑V using dual Hazard3 RISC‑V cores	Cortex-M4 running up to 64 MHz	Cortex-M4 running up to 64 MHz	RISC-V running up to 160 MHz	Two RISC-V processors high-performance one running up to 160 MHz low-power one running up to 20 MHz	Dual-core Xtensa LX7 running up to 240 MHz	Dual-core Xtensa LX7 running up to 240 MHz	Cortex-M4 running up to 48 MHz with FPU	ARM Cortex-M33 running up to 78 MHz	ARM Cortex-M33 running up to 78 MHz
RAM	32 KB SRAM	264 KB SRAM	520kB SRAM 2MB PSRAM	256 KB RAM	256 KB RAM	400 KB SRAM	512KB SRAM	512 KB SRAM 8MB PSRAM	512 KB SRAM 8MB PSRAM	32 KB SRAM	256kB RAM	256kB RAM
Flash&ROM (chip)	256KB	❌	❌	1MB	1MB	4MB	4MB	384KB	384KB	256KB	1536KB+4MB	1536KB+4MB
Flash (onboard)	❌	2MB	❌	2MB	2MB	❌	❌	8MB	8MB	❌	❌	❌
Built-in Sensors	❌	❌	❌	❌	IMU, Microphone	❌	❌	❌	OV2640 camera, Microphone	❌	❌	Six-axis acceleration sensors, Microphone
PWM/Analog Pins	11/11	11/4	19/3	11/6	11/6	11/4	11/7	11/9	13/11	19/14	22/18	22/18
I2C/UART/SPI	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
Bluetooth	❌	❌	❌	✅	✅	✅	✅	✅	✅	❌	✅	✅
WiFi	❌	❌	❌	❌	❌	✅	✅	✅	✅	❌	✅	✅
Reset Button	❌	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
Boot Button	❌	✅	✅	❌	❌	✅	✅	✅	✅	✅	❌	❌
User LED	✅	✅	✅	✅	✅	❌	✅	✅	✅	✅	✅	✅
Battery Charge LED and Chip	❌	❌	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
Low Power Mode	❌	❌	27μA	5μA	5μA	44μA	15μA	14μA	26.5mA	45μA	1.95μA	1.95μA
📚 Compatible Project
Arduino	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅	✅
PlatformIO	✅	✅	❌	✅	✅	✅	❌	✅	✅	❌	❌	❌
MicroPython	✅	✅	✅	✅	✅	✅	✅	✅	✅	❌	❌	❌
CircuitPython	✅	✅	❌	✅	✅	✅	✅	❌	❌	❌	❌	❌
Zephyr	✅	✅	❌	✅	✅	✅	❌	✅	✅	❌	❌	❌

Seeed Studio XIAO Series Compatible Accessories

As a growing ecosystem of Seeed Studio XIAO, we offer a wide range of add-ons, which are compatible with Seeed Studio XIAO Boards. Explore more here.

Getting Started with Seeed Studio XIAO

Wikis	Book	Fab Academy	Video	Courses
Getting Started Wikis By Seeed Studio AE Team & Community	Power, Small Board: Mastering Arduino and TinyML By Marcelo Rovai and Leo Feng	Fab XIAO: How to Create a Dev Board from Scratch By ADRIÁN TORRES	TinyML with the Seeed XIAO By Jim Bob Bennett	Maker100-Eco (Economy) Robotics, IoT and TinyML Machine Learning course By Jeremy Ellis
📚 Wiki	📚 Courses	📚 Fab-Xiao	📚 Part1 📚 Part2	📚 GitHub

Open Source the Seeed Studio XIAO

Tech Support & Product Discussion

Thank you for choosing our products! We are here to provide you with different support to ensure that your experience with our products is as smooth as possible. We offer several communication channels to cater to different preferences and needs.

Seeed Studio XIAO INTRODUCTION

Seeed Studio XIAO Series Comparison Table​

Seeed Studio XIAO Series Compatible Accessories​

Getting Started with Seeed Studio XIAO​

Open Source the Seeed Studio XIAO​

Seeed Series Kicad files​

Seeed Studio XIAO SMAD21 Open-Source Materials​

Seeed Studio XIAO RP2040 Open-Source Materials​

Seeed Studio XIAO nRF52840 Open-Source Materials​

Seeed Studio XIAO nRF52840 Sense Open-Source Materials​

Seeed Studio XIAO ESP32C3 Open-Source Materials​

Seeed Studio XIAO ESP32C6 Open-Source Materials​

Seeed Studio XIAO ESP32S3 Open-Source Materials​

Seeed Studio XIAO ESP32S3 Sense Open-Source Materials​

Seeed Studio XIAO RP2350 Sense Open-Source Materials​

Tech Support & Product Discussion​

Seeed Studio XIAO Series Comparison Table

Seeed Studio XIAO Series Compatible Accessories

Getting Started with Seeed Studio XIAO

Open Source the Seeed Studio XIAO

Seeed Series Kicad files

Seeed Studio XIAO SMAD21 Open-Source Materials

Seeed Studio XIAO RP2040 Open-Source Materials

Seeed Studio XIAO nRF52840 Open-Source Materials

Seeed Studio XIAO nRF52840 Sense Open-Source Materials

Seeed Studio XIAO ESP32C3 Open-Source Materials

Seeed Studio XIAO ESP32C6 Open-Source Materials

Seeed Studio XIAO ESP32S3 Open-Source Materials

Seeed Studio XIAO ESP32S3 Sense Open-Source Materials

Seeed Studio XIAO RP2350 Sense Open-Source Materials

Tech Support & Product Discussion