5/2/2023 0 Comments Rc522 library for proteus![]() ![]() To read the information encoded on a tag, it is placed in close proximity to the reader (need not be within the reader’s direct line-of-sight). Instead, it has a microchip that stores and processes information, and an antenna to receive and transmit a signal. On the other hand, the tag is usually a passive device, which means it does not have a battery. Working Principle of RFID Reader TechnologyĪ reader consists of a radio frequency module and an antenna that generates a high frequency electromagnetic field. ![]() ![]() A tag that is attached to an object that has to be identified, and a transceiver that is known as the interrogator/interrogator. The RFID or Radio Frequency Identification System consists of two main components, a transponder/s. You may have seen other similar applications of RFID such as contactless payments and automated check-out systems in super markets, access control in banks and offices, tracking of goods in warehouses etc. RFID is useful for identifying people, making transactions, etc. RFID is one of the great applications of radio frequency identification systems. ![]()
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