VB串口通信编程源码；包含多种主从机通讯源码，适用于快速修改开发、临时应用。有：1、PC机与51单片机之间的串口通讯,VB编的,分PC和单片机两部分；2、VB串口通信 6路10位AD转换数据采集源程序；3、vb 一个USB接口温度计，串口通信实例。-VB serial communication programming source code　contains a variety of slave communication source code, suitable for the rapid development, the application of temporary modification. A: 1, serial communication between PC machine and 51 single chip microcomputer, VB series, is divided into two parts of PC and single chip computer VB serial port communication　2, 6 road, 10 bit AD conversion program of data acquisition　3, VB a USB interface thermometer, serial communication example. etc！