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介绍了以AT89C51单片机作为控制核心的自动拨号、检测和放音的智能语音拨号报警系统。重点论述了自动拨号和语音部分的电路结构、工作原理和软件设计方法。
This paper introduces an intelligent voice dialing alarm system that uses AT89C51 as the control center to dial, detect and play voice automatically. Focus on the automatic dialing and voice part of the circuit structure, working principle and software design methods.