最新版Visual Basic与RS-232串行通信控制MSComm书籍，详细讲解了VB与RS-232串行通信的方法和案例- Most update Visual Basic and the RS-232 serial communication controls the MSComm books, explained VB and the RS-232 serial communication method and the case in detail

一套库可以采用.NET进行应用层开发实现地层USB设备的访问-WinUSBNet is a .NET class library that provides easy access to the WinUSB API from C#, VB.NET and other .NET languages. WinUSB is a user mode API available for Windows XP, Vista and 7 (XP will require an update), allowi