用VB编写的一个上位机虚拟示波器。可以显示波形，通过串口和下位机通讯-A host computer with VB virtual oscilloscope. Can display the waveform through the serial port and lower machine communication

简易示波器，VS2008，C++编写，使用串口接收数据并将接受到的数据显示出来完成简单的示波器的功能。-Simple oscilloscope, VS2008, C++ written to use the serial port to receive data and receive data displayed complete simple oscilloscope.