Abstract: Among the many potential applications of inexpensive radio frequency identification (RFID) technology are security, tracking assets, people monitoring, supply recognition, and access control ...

String UID = "93 1C CF A9"; // Enter your card or keychain ID ID.concat(String(rfid.uid.uidByte[i] < 0x10 ? " 0" : " ")); ID.concat(String(rfid.uid.uidByte[i], HEX)); ...

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Whether you're building a new home, making an addition, or doing some serious remodeling, you may find yourself with the task of installing new door knobs as well. When doing so, you'll find that ...

Abstract: In this paper, we present a dual lock system using radio-frequency identification (RFID) and fingerprint recognition. It is a secure and reliable locking system which can be implemented in ...