Datasheets

ATSAMD21 Datasheet (the main chip on the Feather M0)
Fritzing object in the Adafruit Fritzing Library
EagleCAD PCB files in GitHub

Feather M0 Basic Proto Pinout Diagram

Note AREF in the diagram should be marked PA03 not PA02

Firmware

Feather M0 Bootloader - You'll need to program it in using an ST-Link, JLink or other SWD-capable programmer. HEX available in the github repo

Default CircuitPython 2.3.1 test example code

Schematic

Click to enlarge

Fabrication Print

Dimensions in inches

This guide was first published on Nov 27, 2015. It was last updated on Nov 27, 2015.

This page (Downloads) was last updated on May 17, 2021.

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