RFID means radio-frequency identification and it uses electromagnetic fields to transfer data over short distances. This makes it useful to identify people, identify products in stores, make transactions, etc…
Making a project with Arduino that uses RFID is really simple if you use the MFRC522 RFID reader module. Several projects with RFID include door locks, time attendance systems, and much more.
Do you want to learn how to use the RFID reader with the Arduino? Read our post here:
For the next few days the MFRC522 RFID reader is 13% off at Banggood. It comes with the reader and two tags (a keychain and a card).
Have you built any project with this module? Tell us by letting a comment below.
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