vb 串口中2个小问题的简单解答有点简单-vb question and answer

VB开发的，基于串口的通信源码 详尽的解释，让你对串口迅速入门 ，本来是用于自己AT80S51单片机测试的程序 ，如有问题，希望指正联系-VB development, based on serial communication source detailed explanation, let you quickly started on the serial port was originally used for their AT80S51 microcontroller tes

数据库的操作问题与串口通讯问题，运行已经成功，能够连接数据库和串口通讯功能。-the question of database and communication