Datasheets

• ATSAMD21 Datasheet (the main chip on the Feather M0)
• ADC Configurations (Microchip) notes 8, 10, and 12 bit resolutions

Pinout note: The RX and TX pins are known as Serial1

• PCB Files on GitHub
• Fritzing object in the Adafruit Fritzing Library
• PrettyPins PDF on GitHub
• PrettyPins SVG on GitHub

Schematic

Click to enlarge

Fabrication Print

Dimensions in inches