By connecting multiple MFRC522 RFID readers to an Arduino Uno, she’s come up with a method of triggering a device (like an electronic door lock) only when the appropriate combination of RFID ...

Overview: This project demonstrates a comprehensive Arduino-based RFID door lock system designed for secure access control. Utilizing the MFRC522 RFID reader module, a servo motor for door mechanism ...

The Arduino acts as the brains of the operation while an off-the-shelf NFC/RFID reader module is used to read the RFID tags. To add new keys to the system, [Jason] simply swipes his “master ...

Each programmed card has an allocated 5v/TTL compatible output and an Indicator LED. There is a latching mode, and a momentary mode. This unit can program 6x RFID cards in less than 30 seconds!

Fast RFID reader for Arduino and Raspberry Pi projects. 11:45 am October 8, 2019 By Julian Horsey. ... The red LED will flash when a non-programmed card is read, ...