基于VB.NET编写的，与单片机串口通讯的上位机程序-Written in VB.NET based, with the microcontroller serial PC communications program

双串口通讯，数据处理，转发等等。已经调试通过，可以应用到上位机接两个串口做数据处理的情况-Double serial communication, data processing, forwarding and so on. Debugging through, can be applied to the host computer to do the two serial port data processing