Maybe something like this can help this prof give you some clues
Hi, in case anyone missed it, there are news concerning rfid readers.
With paxx12’s latest release of the custom firmware there is support for external rfid readers:
and a github repo of sb using cheap rfid readers + esp32 to read and transmit nfc data to the U1:
I haven’t tried it yet myself but I already ordered some rfid readers and esp32’s.