研究RFID应用中各种天线的设计，包括参数的设置

T5557是兼容e555x的RFID芯片，但又具备和e555x系列芯片不同的新性能。文章着重介绍了T5557的新特点及工作原理，并对其RSK工作模式下读写器的电路设计作了分析，最后给出了D类功放和FSK解调的应用电路。-T5557 is compatible e555x the RFID chip, but with different chips and e555x series of new features. T5557 article highlights the new features and working principle and its mode RSK reader an analysis of the circuit design, and finally give the Class D amplifier and the FSK demodulator circuit applications.

java-RFID 读卡演示程序，希望对大家有用-java-RFID reader demo program, I hope useful for everyone

基于ZigBee协议的温湿度采集系统，节点将采集到得温度、湿度和光强无线传输，协调器接受并显示多组节点数据，文中带中文注释。-ZigBee protocol based on temperature and humidity acquisition system, the node will be collected were temperature, humidity and light intensity radio transmission, coordinator node to receive and display multiple sets of data, text with Chinese comments.

防碰撞算法的研究,主要是二进制搜索的研究，-A study on anticollision.

Reference Guide for Texas Instrument RFID - UHF Protocol

从网上下载的STM32 IAP源码和测试代码，已经移值到我自己的板子上，很容易，和大家共享。(Downloaded from the Internet STM32 IAP source and test code, the value has been moved to my own board, it is easy, and share.)

RFID傻瓜书，介绍了RFID的相关射频知识。-RFID fool book, the introduction of RFID-related RF knowledge.

omnikey support and soure for mifare

说明：  基于RFID的自动识别门禁系统,包含代码,以及电路图(RFID-based automatic identification access control system)

RFID 读卡器 读取卡信息DEMO