Seeed Studio XIAO SAMD21(Seeeduino XIAO)

XIAO SAMD21 is a mini Arduino compatible board built on Microchip SAMD21G18 MCU. As the flagship model in Seeed Studio XIAO series, this thumb-sized board offers professional-grade performance in an ultra-compact form factor with a SMD design. With comprehensive support for Arduino IDE, MicroPython, and PlatformIO, along with extensive learning courses and tutorials, it's an excellent platform for beginners entering the world of open-source electronics.

XIAO SAMD21 (aka. Seeeduino XIAO) is your ideal gateway to electronics and programming, featuring native Arduino IDE compatibility and a complete beginner-friendly ecosystem. With comprehensive free courses, step-by-step tutorials, and extensive community projects as references, your learning journey is fully guided. The compatible XIAO Starter Kit, Grove expansion boards for XIAO, and Grove system (400+ compatible modules) enable quick prototyping without prior electronics knowledge or soldering skills. Progress naturally from basic concepts to creating complex projects like wearables and IoT devices. Whether you're new to electronics or expanding your maker skills, XIAO's combination of plug-and-play hardware and rich learning resources makes it the perfect platform to bring your creative ideas to life.

First launched in 2019, XIAO SAMD21's compact 21 x 17.8mm design set the standard for miniature development boards. Its native compatibility with the comprehensive XIAO Add-on ecosystem - from expansion boards, sensors and displays to connectivity modules and actuators (Grove Expansion, CAN-Bus, LoRa module, LED Matrix, Vision AI Sensor, Round Display, L76K GSP module, 2-Mic Array, ePaper Displays, mmWave sensor, AC relay, Bus Servo Driver and many more) - makes it versatile for any project, no matter how simple or complex.