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 ...

Arduino RFID Access Control using a RC522 RFID reader with SPI interface on your Arduino You define a Master Card which is act as Programmer then you can able to choose card holders who will granted ...

This is a board that connects the RC522 board with an Arduino Nano. This project was made out of frustration due to wiring the RC522 board with an Arduino Nano every time I wanted to use it. The RC522 ...

RFID technology identifies objects using a unique identifier through an RFID tag and reader system. RFID tags can be read-only, with fixed identifiers, or read and write, allowing information updates.

Abstract: It is an intelligent face recognition access control system based on OpenMV, Arduino, RC522, Esp8266 WiFi module and Ali Cloud Internet of Things. It provides users with three ways to enter ...