The mfrc-522 rc522 rfid rf card sensor module is a compact and affordable 13.56mhz rfid reader/writer module designed for arduino, raspberry pi, esp32, stm32, pic, avr, and other microcontroller platforms. based on the nxp mfrc522 chip, the module can read and write rfid cards and tags that comply with the iso/iec 14443 type a standard.
this kit usually includes the rc522 reader module, one s50-compatible fudan rfid card, and one rfid keychain tag, allowing you to begin experimenting immediately without needing additional accessories.