102010328 Xiao SAMD21, SAMD21 Cortex-M0+ 32 bit ARM, without header

XIAO SAMD21 powered by SAMD21G18 chip is an ultra-small, universal high-performance development board.

It supports Arduino / Micropython / CircuitPython development, which is the perfect microcontroller for you to start electronics.

High performance: powered by SAMD21G18 chip running at up to 48 MHz, equipped with 32 KB SRAM and 256 KB built-in flash memory. Ultra-small design: 21 x 17.5 mm, classic form factor of Seeed Studio XIAO series, suitable for portable devices Multiple development interfaces: 11x analog / 11x digital pins, 1x I2C interface, 1x UART port and 1 SPI port Multiple development platforms: Supports Arduino / Micropython / CircuitPython development, friendly for beginners as well as electronics enthusiasts Perfect for production: breadboard friendly & SMD design, no components on the backside

Technical Data - CPU: ARM Cortex-M0+ CPU (SAMD21G18) with up to 48 MHz - memory: 256 KB Flash, 32 KB SRAM - I/O pins: 14 GPIO pins, 11 analog pins, 11 digital pins, 1 DAC output pin - interfaces: I2C, UART, SPI, USB Type-C - LEDs: user LED, power LED and two serial port LEDs - Two reset buttons - Software compatibility: Arduino IDE - Dimensions (LxW): 21 x 17.5 mm

external links https://wiki.seeedstudio.com/How-to-use-Seeeduino-XIAO-to-log-in-to-your-Raspberry-PI/ https://files.seeedstudio.com/SeeedEDU/Coursedocuments/Seeeduino%20XIAO.zip

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