Datasheet

Downloads

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

https://adafru.it/z3f

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

Schematic

Click to enlarge

Fabrication Print

Dimensions in inches