On the basis of the analysis about the composition and principle of the the radio frequency identification system, it manily proposes a kind of method to design and to make RFID reader based on the Philips MF RC500 and C8051F236 chip . First of all,it introduces the characteristics of the MF RC500. And then it gives the design of the RIFD reader's hardware and software.%在对射频识别系统的组成和原理进行分析的基础上,提出了基于Philips公司MF RC500和C8051F236型单片机实现的射频识别读写器的设计与实现方法。首先对MF RC500的特性做了介绍,然后给出了RFID读写器的硬件和软件的设计。
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