Datasheet

Downloads

https://adafru.it/B48

Datasheets

ATSAMD21 Datasheet (https://adafru.it/kUf) (the main chip on the Feather M0)

Fritzing object in the Adafruit Fritzing Library (https://adafru.it/aP3)

EagleCAD PCB files in GitHub (https://adafru.it/vfS)

https://adafru.it/z3F

Note AREF in the diagram should be marked PA03 not PA02

Firmware

'Classic' 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 (https://adafru.it/kFh)

Schematic & Fabrication Print

https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-

circuitpython

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