Seeed Studio XIAO SAMD21 – Mini Arduino Compatible Development Board (ARM Cortex-M0+)
The Seeed Studio XIAO SAMD21 is an ultra-compact and powerful microcontroller board designed for embedded systems, wearables, and IoT projects. Powered by the Microchip ATSAMD21G18 (ARM Cortex-M0+), it delivers high performance in a thumb-sized form factor.
Fully compatible with the Arduino IDE, this board is ideal for both beginners and advanced developers looking for a small yet capable platform.
Key Features:
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32-bit ARM Cortex-M0+ processor (48MHz) – faster than Arduino Uno
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Ultra-compact size (approx. 20 × 17.5 mm) – perfect for space-constrained projects
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Arduino IDE compatible – easy programming and wide library support
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USB Type-C interface – power and data via a single cable
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Low power consumption – ideal for portable and wearable devices
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Breadboard-friendly design – easy prototyping
Applications:
- Wearable electronics
- IoT and embedded systems
- DIY keyboards and USB devices
- Sensor projects and automation
- Compact robotics and prototyping
Specifications:
- Microcontroller: ATSAMD21G18 (ARM Cortex-M0+)
- Clock Speed: 48 MHz
- Flash Memory: 256 KB
- SRAM: 32 KB
- Operating Voltage: 3.3V logic
- Digital I/O Pins: 11
- Analog Inputs: 11
- Interfaces: I2C, SPI, UART, DAC
- USB: Type-C
- Dimensions: ~20 × 17.5 mm
Package Includes:
- 1 × Seeed Studio XIAO SAMD21 Development Board
