这是一个硬件的开发实例，是USB到串口的轮换实例。-This is an example of the development of hardware, USB to Serial examples of the rotation.

EXAMPLE VISUAL BASIC PROGRAM USING THE EV2300 INTERFACE BOARD INTRODUCTION This procedure defines how to install and run the Visual Basic 6.0 example project developed to enable interaction on the EV2300 SMBus via a USB port. It is recommended t