Seeeduino XIAO SAMD21 Mini Development Board | Arduino Compatible

The Seeeduino XIAO is an ultra-compact microcontroller development board powered by the Microchip ATSAMD21G18 ARM Cortex-M0+ processor. Despite its tiny footprint, it delivers powerful performance, making it ideal for wearable electronics, IoT devices, robotics, embedded systems, and portable DIY projects.

Compatible with the Arduino IDE, the Seeeduino XIAO features USB Type-C connectivity, multiple GPIO pins, analog inputs, PWM outputs, UART, SPI, and I2C interfaces. Its low power consumption and breadboard-friendly design make it an excellent choice for both beginners and experienced developers.

Features

• ATSAMD21G18 ARM Cortex-M0+ Microcontroller
• 48 MHz Clock Speed
• Ultra-Compact 20 × 17.5 mm Design
• Arduino IDE Compatible
• USB Type-C Interface
• 11 Digital GPIO Pins
• 11 PWM Outputs
• 11 Analog Inputs
• UART, SPI & I2C Communication
• 256 KB Flash Memory
• 32 KB SRAM
• Low Power Consumption
• Breadboard Friendly
• Ideal for IoT, Wearables, Robotics & Embedded Projects

Specifications