In this illustration we will going to wire the RFID (Radio Frequency Identification) Module RC522 in this module it uses a radio signals and a Radio Label Tags for reading and writing data. How RFID works please refer to this
Introduction of RFID System & Wiring the VHF Reader/Writer 13.5Mhz on Arduino
In recent years automatic identification procedure have become very popular in many service industries, manufacturing companies, purchasing and distribution logistics, and material flow systems. Automatic identification procedures provide information on people, animals, goods, products, transportation’s, the most common form of