![]() ![]() ![]() ![]() The transmitter of this module contains an oscillator to make the carrier frequency. RFID reader includes an RF module and it acts as a both TX and RX of radio frequency signals. Some kind of tags is run by electromagnetic induction from magnetic fields formed near the reader. ![]() The tag includes electronically stored information. The RFID reader is a wireless device used to transfer data for recognizing and tracking tags connected to objects. The proposed system uses an Arduino board and RFID readers RFID Reader These kind of systems is used for controlling the movement of a door without using a key. For example, identification of digital device using token, door lock system using digital technology, automatic door opening and closing, automatic door lock systems, etc. In recent days every device uses digital technology. Electronic locks are better over mechanical locks, to resolve the security problems that are connected with the mechanical locks. Generally, traditional locks are heavy and that are not strong as they can damage simply by using some tools. These kind of door locks are designed with one or more keys, but for locking a large area various locks are needed. The Basic necessity of security can be attained by designing various door locks such as mechanical locks or electrical locks. ![]()
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