摘要
设计了一款基于电话线传输的家居无线安防报警系统,以MCS-51系列单片机AT89S522为核心,结合红外线收发电路、双音多频(DTMF)发送/接收电路、语音电路及其他外围辅助电路,配合各种无线传感器,可实现防盗报警等功能。该系统可智能地区分各种警情和自动数字语音电话报警,可接收远端电话遥控指令。
A wireless home alarm system based on telephone line was developed. It use AT89S522 as the core CPU, and connect with wireless coding receive circuit, DTMF send/receive circuit, voice circuit and other periphery assistant circuit. With kinds of wireless sensor, the system can guard against theft and give a alarm.
出处
《低压电器》
北大核心
2006年第1期36-39,共4页
Low Voltage Apparatus
关键词
报警器
双音多频
安防
红外线收/发
annunciator
dual tone multi frequence （DTMF）
safety
infrared receive/send
