好东东，用C写的，USB接口程序，很好用

非常好用的GPS串口通信，支持Nmea0183协议，支持GarMin协议，如果需要新添加协议类型，修改非常简单！-very handy GPS serial communications, support Nmea0183 agreement, support GarMin Agreement, if the need for a new type of agreement to add, change is very simple!

MCU读写U盘源程序（无需子程序库基于文件系统）, MCU读写U盘源程序（无需子程序库基于文件系统）-MCU literacy U-source (without subroutine library based on the file system), MCU literacy U-source (without subroutine library based on the file system)

通过串口接收到外部发来的命令,来控制8路继电器的开关-Received through the serial port to an external command sent to control the 8-way relay switch

西门子200PLC与上位机通信 delphi开发经典源码-PC 200PLC with Siemens Communications to develop the classic source delphi

用VB实现RS232接口通信，能和单片机通信的上位机程序。-RS232 interface using VB to achieve communications, energy and single-chip PC communications procedures.

kermit protocol 嵌入式系统使用kermit协议,与pc传送文件. 可方便的使用windows 超级终端等.-Kermit protocol embedded systems use Kermit agreement with pc transmission of documents. To facilitate the use of windows Super terminals.

dos 下的串口编程源代码，可使用中断-dos under the serial programming source code can be used interruption

yc2440开发板下的串口通信软件，通过API函数开启和关闭串口-yc2440 under development board serial communication software, through the API function to open and close the serial port

这是串口的源代码 -This is the serial source code

使用Win32创建串口通讯程序-use Win32 build serial communication program