可以对图书馆借还书系统进行管理，任意添加书籍，与下位机51单片机可以通信，模拟IC卡借还书-Manage the library to borrow books system, add any books, and lower machine 51 MCU communication, analog IC card borrowing and returning books

提供一种停车场管理系统，具有IC刷卡功能，能给物业管理者提供一种方便有效的管理手段-To provide a parking management system, with IC card function, provides a convenient and effective means of management to property management

简易上位机测试RC522IC卡的程序，广泛应用于各个行业的管理系统测试。 -Simple PC test RC522 IC card program, widely used in various sectors of the management system test.