Qwiic Micro SAMD21 Cortex M0+ Development Board SparkFun

The SparkFun Qwiic Micro is molded to fit our standard 1″x1″ Qwiic standard size which makes it one of our smallest micro-controller offerings to date. At it’s core is the powerful and versatile ATSAMD21E18, which is an ARM Cortex M0+, 32-bit microcontroller, with 256KB of flash memory that can run at up to 48MHz! It has 12 digital pins which include 5 analog pins, SPI, I2C, and an additional UART data bus as well as a Qwiic connector for easy integration into the Qwiic ecosystem and I2C prototyping.
Key Features

Dimensions: 1in x 1in
Optional LiPo Charging Port
Expandable Flash Memory
Qwiic Connector

ATSAMD21E

48 MHz

256KB

32K SRAM

UF2 Bootloader

STEMMA QT / Qwiic 4-pin 1mm Pitch White Female Connector Cable 150mm Long – Both Sidecan be purchased seperately.
Resources

Schematic

Eagle Files

Board Dimensions

Datasheet(SAMD21E)

Graphical Datasheet

Hookup Guide

UF2 Bootloader

Qwiic Info Page

GitHub Hardware Repo