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.

基于51单片机控制DHT11温湿度在1602上显示的C语言程序-Based on 51 single-chip control DHT11 temperature and humidity in the display on the 1602 C Programming Language

VB写的界面，上面有温度湿度显示、温湿度曲线图、历史记录查询和一些控制命令-Interface written in VB, above the temperature and humidity display, temperature and humidity graphs, history records check and some control commands