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 ...

Fast RFID reader for Arduino and Raspberry Pi projects. 11:45 am October 8, 2019 By Julian Horsey.

The cartridges have an RFID tag and another solution which we’ve covered before is to replace the RFID reader board with an Arduino. That’s the solution [David] adopted.

Meet the Arduino Compatible RFID Reader Module. It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM memory, which means that the cards are saved ...

Today it's RFID (radio frequency identification), the tiny communicating chip that you can stick on or in just about anything -- like Canada's new e-Passport that we heard about this week.