Arduino library for MFRC522 and other RFID RC522 based modules. Read and write different types of Radio-Frequency IDentification (RFID) cards on your Arduino using a RC522 based reader connected via ...

This library only support TTL RS232 serial port. VCC support 3.3 ~ 5V TX, RX connect to Arduino or Seeeduino T1, T2 is the Signal port for RFID antenna W0, W1 is for wiegand protocol, but this library ...

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...