Refactor into three subclasses
API has changed quite a bit but now you can use this library with less overhead! I2C/SPI/UART have separate objects
To use in CircuitPython, download the .mpy file and copy it to the lib
folder on the CIRCUITPY
drive. Or, simply install the Adafruit CircuitPython bundle.
To use in CPython, pip install adafruit-circuitpython-pn532
.