200读写器的电路板、单片机程序、USB接口驱动程序、函数动态库全部自主开发，把复杂的IC卡认证读写过程集成-—转化为更简单的函数调用操作，即使是从未接触过一卡通开发的软件开发人员，写起程序来也毫无困难，一般的记数、扣费操作，只需一个读卡、一个写卡、一个蜂鸣器响声的函数，就可以轻松完成对卡的操作-200 reader circuit board, microcontroller program, USB interface driver function dynamic database of all self-development, the complexity of the IC card reading and writing certification process integration- into a more simple function call operator, even if never Card come into contact with the development of software developers, writing from procedures also have absolutely no difficulty in the general notation,扣费operation, only one card reader, a written card, a function of a buzzer sound, you can easily complete the the operation of the card