com通信，红外线-com communications, infrared

关于ZIGBEE技术开发中cc2430串口调试问答的pdf文件，对于在进行ZIGBEE研究或开发中遇到该类问题的朋友很有用-ZIGBEE technology development on the cc2430 debug serial port of the Q & A pdf document ZIGBEE in research or development issues encountered in such useful friends

this code is about demodulation of 4qam

数字频显收音机电路图和数字频显收音机原理~-failed to translate

基于意法半导体stm32f407板子的usb 转232的例程，该例程利用串口网络助手进行打印显示，完成了usb的驱动与转化，系统中调用了许多库函数，初学者可以在keil c下直接运行，或者基于模板修改为其他程序

一篇关于CORDIC的文章A survey of CORDIC algorithms for FPGA based computers-CORDIC an article on the article A survey of CORDIC algorithms for FPGA based computers

这是一个opc server例子，包含源代码，可以免费下载-it is an sample of opc server

自己写的一个OFDM发送接收的程序，注释详尽，适合初学者，有图形验证。可实现IFFT过采样，以及prefix-Writing their own to send an OFDM reception process, detailed notes, suitable for beginners, there is graphical verification. Can achieve over-sampling IFFT and prefix

RFID卡和读卡器之间的通信层，用文件实现的C代码

串口通讯，用于读取仪表的数据，其他的功能请读者自己实现-Serial communications, instrumentation used to read data, the function of other readers achieve their own