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 ...

RFID enables wireless data collection by readers from electronic tags attached to or embedded in objects, for identification and other purposes. This article describes the construction of a simple ...

Posted in Arduino Hacks Tagged access control, arduino, garage door, garage door opener, NFC, reddit, rfid ← Laser Etching Brings New Life To An IBM Keyboard Samsung NX300 Gets Rooted → ...

A few months back, [John] was reading an article about a simple RFID security system kit, and decided he would like to build one himself. While many of the system’s details, including full s… ...