用vb做的usb数据读取，波形显示，存储，设备参数设定！波形显示采用分频显示！可设定窗口的分辨率，带有USB驱动！-Done with vb usb data acquisition, waveform display, storage, equipment parameter settings! Waveform display with frequency display! Can set the windows resolution, with a USB drive!

PC平台上位机转下位机RS323转虚拟USB串口通信-PC platform PC turn lower machine to virtual USB serial port communication RS323

这个例子展示了如何使用Visual c++通过FTD2XX.DLL与FTDI进行设备通信。包括使用FT_ListDevices FT_Write和FT_Read环回连接器以便向设备写入数据,然后读回来。需要驱动文件CDM 2.08.30支持。-This example shows how to use Visual C++.NET to communicate with FTDI devices through FTD2XX.DLL. This includes using FT_ListDev