eBay - MFRC522 RFID Reader Module + S50 Blank Card + Keychain
$3.80
out of stock
Item condition: New
Ended: Nov 17, 19:55 PST
eBay.com
as of March 5, 2021 12:39 am
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Learn how to use the MFRC522 RFID Reader with the Arduino: Security Access using MFRC522 RFID Reader with Arduino.
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…