This project demonstrates a simple RFID Attendance System using an Arduino UNO, RFID-RC522 module, and a 16x2 LCD (I2C Interface). The system reads RFID cards and displays the user information or ...

RFID Card & RFID RC522: Siswa memindai kartu RFID mereka ke modul RFID RC522. Modul ini membaca UID (Unique ID) dari kartu. ESP32 Microcontroller: Menerima data UID dari RFID RC522 melalui komunikasi ...

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 ...