一个将扫描枪RS232输出格式自动转换为PS/2键盘格式输入的小程式，对有需要用到PS/2格式扫描枪需求，且手头又只有PS/2格式扫描枪的用户很有用，里面有创建系统托盘及注册表操作应用示例。-A scanning gun RS232 output format will automatically switch to PS/2 keyboard input format of small programs, there is required to use PS/2 format scannin

用delphi 写的时间校准小程序，从计算机读取时间再通过串口发送给下位机，可以学习串口编程，带系统托盘-Time calibration with delphi write small programs to read the time from the computer through the serial port and then sent to the next crew, can learn with serial ports, with the system tray