USB裝置檢查程式 可用於USB裝置的ID及程式驗證設備的開發-USB device to check the program can be used USB device ID and program verification devices

设计一个keypad UI 然后通过windows API调用一个ＵＳＢ软件，达到控制投影机的功能，UI做的非常的好，如果想做QT界面可以好好看看。-Design a keypad UI and then through a USB software windows API call, to control the projector function, UI do very well, if you want to do QT interface can have a good look.

c#、cb6、delphi7、labview8.2、vb6、vc 8等版本usb转can界面开发，有利于usbcan通信界面开发-C#, cb6, delphi7, labview8.2, vb6, vc6, vc8 version, such as usb turn can interface development, is advantageous to the usbcan interface development of communication