基于51单片机实现野外温湿度遥测系统，可直接在keil上编译生成.hex文件然后下载到单片机上运行-achieving a outdoor temperature and humidity telemetry system based on 51 MCU,you can compile the .c file on keil software and you will get .hex file,which should downloaded into the 51MCU and the system can operate well