本程序代码可以准确地生成1－500Hz波形文件，正弦波，方波等。具体功能，下载下来，自己运行一下就知道了-the code can be accurately produce 1-500Hz waveform, sine, square, etc.. Specific functions, downloads, running about themselves will know.

使用vb编程RS232输出 comboDevice.AddItem "COM1" comboDevice.AddItem "COM2" comboDevice.AddItem "COM3" comboDevice.AddItem "COM4" comboDevice.AddItem "COM5" comboDevice.AddItem "COM6" comboDevice.AddItem "COM7" comboDevice.AddItem "COM8"-use vb programming RS232 output comboDevice.AddItem "COM a "comboDevice.AddItem" COM2 "comboDevice.A ddItem "COM3" comboDevice.AddItem "COM4" com boDevice.AddItem "COM5" comboDevice.AddIte m "COM6" comboDevice.AddItem "COM7" comboDev ice.AddItem "COM8"

USB便携式多通道分析仪的ＰＣ端软件，可以实现对采集信息的频谱分析，并且获得频谱图以及相关数据，具有极高的价值．欢迎大家下载与交流！-USB portable multi-channel analyzer software on the PC can be achieved on the information collected spectrum analysis, given a spectrum of related data with a high value. You are welcome to download and exchange!

嵌入式系统中串口通信帧的同步方法，介绍多机串口通信的各种同步方法，有效过滤干扰字节确保通信稳定，个人觉得还不错，值得一看-Embedded System serial communication frame synchronization method to introduce a variety of multi-machine synchronous serial communication methods and an effective filtering interference bytes to ensure the communication stability, and personally feel pretty good, worth a visit

这是一个对modem编程的一个小程序, 对串口操作并发AT指令集.-this is a modem programming of a small program on serial operation with AT command set.

自己写得串口多线程控制程序，里面的超时设置和书上说得不是很一样，大家参考吧-their written control procedures for multi-threaded, overtime set up inside the book and put it is not very like, we make reference to it

一个用8255的串口编程-8255 with a Serial Programming

USB转串口的一个例子（源代码），可以在ＫＥＩＡＬ下直接编译。-USB to serial port of an example (source code)

stc12c2052 rs485 小程序stc12c2052 rs485 小程序-applet stc12c2052 rs485

使用TC3.0开发的串口通讯程序，在一台电脑上模拟。（本机发到串口，本机再从串口读入）-TC3.0 development of the use of serial communication program, in a computer simulation. (This machine made to the serial port, the company was again read from the serial port)