Feather M4 Express

Buy

• https://www.adafruit.com/product/3857 (~23$)

Code

CircuitPython

Setup

• https://learn.adafruit.com/welcome-to-circuitpython/installing-mu-editor
• https://learn.adafruit.com/welcome-to-circuitpython/installing-circuitpython
• https://circuitpython.org/board/feather_m4_express/

Language & API

• https://www.python.org/doc/
• https://circuitpython.org/
• http://circuitpython.readthedocs.io/en/latest/

Pinout

• https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51/pinouts

Resources

• https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51 (.pdf)
• https://www.arm.com/products/silicon-ip-cpu/cortex-m/cortex-m4
• https://learn.adafruit.com/adafruit-feather/feather-specification
• https://github.com/adafruit/Adafruit-Feather-M4-Express-PCB (PCB design files)
• https://github.com/adafruit/Fritzing-Library/ (for documentation of breadboard projects)