vb+ mysql的架构 给一个世界500强公司开发的上位机-生产统计系统 不过还用单片机的下位机哦-vb+ mysql structure of a Fortune 500 company to develop the PC- the system of production statistics, but also the next-bit machine with a single-chip oh

VB +mysql 控制串口 来控制小车是上位机-VB+ mysql control the serial port to control the car is a PC