usb发送短信,用到mscomm控件,请在使用前先安装mscomm控件.里面有关于短信息发送的DLL接口使用说明.-usb send text messages, used mscomm Controls Please use prior to the installation of mscomm control. There are short on information sent by the DLL interface for use.

基于PC声卡的双通道示波器设计（LabVIEW实现），从音频接口输入，带宽20k ，希望后来者使用其他接口如USB实现，提高带宽-PC sound card based dual-channel oscilloscope design (LabVIEW implementation), from the audio interface input bandwidth of 20k, then those who want to use other interfaces such as USB