Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

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 ...

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 ...

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 ...

There is a latching mode, and a momentary mode. This unit can program 6x RFID cards in less than 30 seconds! Easily connect to to Arduino! Sample code available.This set is production ready!

This Arduino Mega attaches to a control box mounted near the front door that’s loaded up with an LCD, an NFC and RFID reader, and a few buttons to arm and disarm the system.