Description
Seeed Studio Seeeduino XIAO SAMD21 Board
The Seeeduino XIAO SAMD21 is a compact yet powerful Arduino-compatible board built on the Microchip SAMD21G18 MCU.
As the flagship of the Seeeduino XIAO series, this tiny board delivers professional-grade performance in a minimalist, SMD-designed form factor, making it perfect for space-constrained projects.
It offers seamless compatibility with Arduino IDE, MicroPython, and PlatformIO, allowing flexible development for a wide range of applications.
With extensive tutorials and learning resources, the Seeeduino XIAO SAMD21 is an excellent choice for beginners and hobbyists eager to explore open-source electronics.
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Features:
- Ultra-compact Seeeduino XIAO design
- Powered by SAMD21G18 MCU
- Arduino IDE, MicroPython & PlatformIO compatible
- Thumb-sized SMD package for space-saving projects
- Beginner-friendly with tutorials and learning resources
SAMD21 vs ESP32
| Feature | SAMD21 (Seeeduino XIAO) | ESP32 |
|---|---|---|
| Core | ARM Cortex-M0+ | Dual-core Tensilica LX6 |
| Clock Speed | 48 MHz | Up to 240 MHz |
| Connectivity | No WiFi/Bluetooth (needs external modules) | WiFi + Bluetooth built-in |
| Power Consumption | Very low-power | Higher compared to SAMD21 |
| Size | Ultra-compact (XIAO form factor) | Generally larger modules |
| Best Use Case | Wearables, sensor nodes, compact projects | IoT, wireless projects, high-performance tasks |
Applications:
- Learning and Education (Arduino, MicroPython, Basic electronics, and prototyping)
- Wearable devices include health monitoring, interactive apparel, and tiny fitness trackers.
- IoT and sensor projects include environmental monitoring, data collection devices, smart home sensors, and small automation systems.
- Space-Constrained Mini Arduino Projects
- Rapid prototyping (fast proof-of-concept constructions, hardware testing, product prototypes, embedded system development)
- HID devices (do-it-yourself keyboard, USB to multi-channel TTL/USB host mode,
Seeeduino XIAO SAMD21 Pinout Diagram
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