基于VB.NET开发的与RS232串口通信的编程实例，适用于开发者参考-on VB.NET development and RS232 serial communication programming examples, application developers to reference

温湿度采集VB界面设计，采用SHT11，AT89S52，RS232连接PC机，串口连接。-Temperature and humidity VB interface design, using SHT11, AT89S52, RS232 connection PC, serial port connection.

communication GUI and embedded system via serial port

VB嵌入式串口数据记录波形分析仪，可通过RS232串口记录多达5小时的数据，并以图表曲线方式显示，类似一个示波器。(VB embedded serial data recording waveform analyzer can record up to 5 hours of data through the RS232 serial port, and display it in a graph curve, similar to an oscilloscope.)