Using the Android CircuitPython Editor
This tutorial will explain the basics of how to use the Android Circuit Python Editor application with your Circuit Playground Express. It covers hardware accessories required, Android application installation, use and a FAQ.
Adafruit PN532 RFID/NFC Breakout and Shield
This is not a full tutorial, it's just a quickstart guide while we do more research into RFID/NFC. There's a lot of info here but not everything is explained in detail. We hope to fill out the tutorial but there's not a lot of good information about NFC so it's taking a bit of time!