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针对酒驾给人们生活带来的巨大威胁,提出一种基于单片机的防酒驾报警系统。为实现酒驾报警系统,分别从硬件和软件的角度对系统进行设计。在硬件方面,利用传感器对酒精浓度进行监测,通过数模转换的方式,将酒精浓度转换为电压信号,并将信号传递给单片机,此后单片机再根据外围电路对信号做出判断,并对点火进行控制,从而实现酒驾的控制。软件部分采用模块化设计思想,利用C语言进行编程。最后通过测试验证,可较好反映驾驶员的酒精浓度。
In view of the huge threat that drunk driving brings to people’s life, a kind of anti-drunk driving alarm system based on single-chip microcomputer is proposed. In order to realize the drunk driving alarm system, the system is designed from the perspective of hardware and software respectively. In hardware, the use of sensors to monitor the concentration of alcohol through digital-analog conversion, the concentration of alcohol into a voltage signal and the signal passed to the microcontroller, then the microcontroller based on the external circuit signal to make a judgment and the ignition Control, in order to achieve the control of drunk driving. Software part of the modular design concept, the use of C language programming. Finally passed the test to verify that can better reflect the driver’s alcohol concentration.