fdx-b
There are 3 repositories under fdx-b topic.
decrazyo/fdxb
Arduino FDX-B reader built from discrete components.
s60sc/ESP32_RFID_Reader
FDX-B (pet microchip) and EM4100 RFID Reader for ESP32
UndedInside/FDXB-calc
Converts hexadecimal data stored on FDX-B microchips to human readable information.