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 ...

If you’re the kind of person who has friends, and/or leaves the confines of the basement from time to time, we hear that these “Escape Rooms” are all the rage. Basically you get locked into a room ...

RELAY-POWER is just connecting positive line to RPOW terminal. Usually, if you power the lock from the ESP-RFID Relay Board, that pad will be connected and you will use RPOW terminal to hook the lock.

This project implements an Automated Inventory Management System designed for warehouse management using RFID technology. The system ensures real-time tracking, reduces human errors, and improves ...

Abstract: Traditional key-based locking systems are progressively being replaced by more effective and cutting-edge technological solutions in the security and access control domain. The design and ...