






⚡ Tiny powerhouse for your next-gen wearable innovations!
The Seeed Studio XIAO SAMD21 is the smallest Arduino-compatible microcontroller board featuring a 48MHz ARM Cortex-M0+ CPU, 256KB flash, 32KB SRAM, and 14 multifunction GPIO pins. Its ultra-compact 20x17.5mm size, USB Type-C interface, and low power design make it ideal for wearable devices, rapid prototyping, and compact DIY projects—all fully supported by the Arduino IDE ecosystem.


| Processor | 48 MHz none |
| RAM | SRAM |
| Wireless Type | 802.11b |
| Brand | seeed studio |
| Series | Seeeduino XIAO |
| Item model number | 110010004 |
| Operating System | Windows, macOS, Linux |
| Item Weight | 0.317 ounces |
| Package Dimensions | 3.58 x 2.24 x 0.51 inches |
| Color | 3PCS |
| Processor Brand | ARM |
| Number of Processors | 1 |
| Manufacturer | seeed studio |
| ASIN | B08745JBRP |
| Date First Available | April 15, 2020 |
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