RFID means radio-frequency identification. RFID uses electromagnetic fields to transfer data over short distances. RFID is useful to identify people, to make transactions, etc…
Learn how to use the MFRC522 RFID Reader with different boards:
Best Tools and Gear for Makers
RFID means radio-frequency identification. RFID uses electromagnetic fields to transfer data over short distances. RFID is useful to identify people, to make transactions, etc…
Learn how to use the MFRC522 RFID Reader with different boards: