The RC522 RFID module is a versatile and affordable solution for integrating RFID technology into your projects. Operating at a frequency of 13.56 MHz, it supports both RFID reading and writing functions, making it ideal for applications like access control, inventory tracking, and secure identification systems. The module communicates with an Arduino board via the SPI interface, offering fast and reliable data transfer. It comes with an RFID tag or card, which can be easily programmed and used to interact with the module. With its low cost, ease of use, and robust compatibility with Arduino, the RC522 is an excellent choice for developers, hobbyists, and engineers looking to create secure, contactless systems.

Key Features:

13.56 MHz Frequency: Works with standard RFID tags and cards operating at 13.56 MHz.
SPI Interface: Fast communication with Arduino boards via the SPI interface (MISO, MOSI, SCK, and CS pins).
Low Power Consumption: Energy-efficient operation, making it ideal for battery-powered projects.
Compact Design: Small and lightweight, easy to integrate into various projects.
Wide Range of Applications: Ideal for access control, contactless payments, inventory management, and more.
Supports Multiple Tags: Can read and write data to various RFID tags, cards, and key fobs.
Affordable & Easy to Use: Inexpensive, with extensive support from libraries and online resources.