基于单片机的安全显示系统的设计

该系统采用GPS 技术和GSM 网络。当老人或孩子遇到麻烦时，他（她）可选择自动或手动方式发出求救信号，系统将立刻启动GSM 呼叫系统与信息中心或亲友建立连接，并采用主动和被动两种方式，将经度、纬度、声音、温湿度等安全状态信息实时传送到信息中心或者设定的亲友手机上，并在导航地图上显示出他（她）当前所在的位置。该设计中采用了“黑匣子”功能，完成了启动报警时最近20s 的音频信息和位置信息的实时存储。
关键词：无线通信；单片机；报警系统
Abstract: A design of personal anti-hijack alarming system with GPS technique and GSM network is presented. When the old man and kid meet bother, he(she) can choose auto or hand to move a way to send out to plea for help signal. This system would send SOS signal automatically or manually, activating GSM calling system and connecting with information center or relatives，sending current latitude and longitude，sounds，temperature and humidity to information center or relative phones by the way of Active and passive, and display the position him(her)current place in navigating map. “Black-Box” was successfully used, completing the last 20s Audio Information and hostages position information real-time stored.
Key words: wireless communication; single-chip computer; alarming system