A miniature SAM21G Breakout, in the form factor/pin-out of a Pro Mini.
Eagle C Other
Latest commit d3bb598 Dec 7, 2015 @jimblom jimblom Adding License.md.


SparkFun SAMD21 Mini Breakout

SparkFun SAMD21 Mini Breakout

SparkFun SAMD21 Mini Breakout (DEV-13664)

The SAMD21 Mini Breakout is a Pro Mini-sized breakout for the Atmel ATSAMD21G18, a 32-bit ARM Cortex-M0+ processor with 256KB flash, 32KB SRAM, and an operating speed of up to 48MHz. The SAMD21 is compatible with the Arduino IDE, and libraries for the Arduino Zero.

Repository Contents

  • /Documentation - Data sheets, additional product information
  • /Firmware - SAMD21 Arduino Bootloader
  • /Hardware - Eagle design files (.brd, .sch)
  • /Production - Production panel files (.brd)


  • Hookup Guide - Basic hookup guide for the SAMD21 Mini Breakout.

Product Versions

  • DEV-13664 - Initial product release - v10.
  • DEV-13672 - The SparkFun SAMD21 Dev Breakout -- a similar, Arduino-shaped version of this board.

Version History

  • v1.0 - Initial release

License Information

This product is open source!

Please review the LICENSE.md file for license information.

If you have any questions or concerns on licensing, please contact techsupport@sparkfun.com.

Distributed as-is; no warranty is given.

  • Your friends at SparkFun.