智能电话报警系统设计。
本文介绍-种以at89c 51单片机为控制核心的自动拨号电话报警系统。
This essay introduces an Auto Phone Dialing Alarm System based on a controlling core by AT89C51.
正如电话曾与个人电脑、服务器以及网络有所不同，安全及报警系统也被视为与IT完全不同。
Just as telephones used to be differentiated from PCs, servers, and networks, so did security and alarm systems used to be viewed as wholly separate from it.
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