本系统采用单片机作为控制中心，配有移动通信模块、警情采集电路、看门狗电路、声光报警电路和电源模块。当警情采集电路采集到警情信号时，单片机立即接通报警驱动电路实现声光报警，与此同时单片机接通移动通信模块，通过无线调制解调器接入GSM向外界报警，从而完成自动报警。-The system uses microcontroller as a control center, equipped with a mobile communication module, alarm acquisition cir

16单片机和PC机通讯方法.用KEIL软件,C语言写作而成.其中有一些方法,大家共同一起看看.以后我们怎么向PC传输数据.-This is 51 entrance guard, compiled using C. There are some things can bus electronic experiment together. There is a time how separation. How algorithms. You can borrow. Can also take a l