| 基于单片机的超声波测距装置设计 |
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| 引用本文： | 刘义杰,王薪岩,钱跃. 基于单片机的超声波测距装置设计[J]. 电子测试, 2016, 0(13): 7-8. DOI: 10.3969/j.issn.1000-8519.2016.13.003 |
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| 作者姓名： | 刘义杰 王薪岩 钱跃 |
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| 作者单位： | 沈阳工学院，辽宁抚顺，113122 |
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| 摘 要： | 本文论述了基于单片机的超声波测距装置设计方案及实现过程。本装置采用单片机作为控制器的核心进行控制。当系统启动时，超声波发送模块向后发射40kHz的超声波信号，遇障碍物反射，由超声波接收模块收集，进行放大和比较，同时将此信号送入显示模块，当与障碍物距离小于设定距离时，发出报警声。
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| 关 键 词： | 超声波测距 单片机 报警 |
Ultrasonic distance measurement device based on SCM |
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| Abstract: | This article elaborates design proposal and the development of Ultrasonic distance measurement device based on SCM.This design uses the SCM as controller's core to carry on the control.When system automatic start,the ultrasonic wave transmission module launches 40kHz the ultrasonic wave signal backward, it meets the obstacle reflection and carries on the enlargement and the comparison by the supersonic reception module collection, the microcomputer sends this signal into the display module,simultaneously triggers the sound alarm circuit,sends out the sound prompt.When it is smaller than with the obstacle distance 0.8m,exudes the different warning sound,reminds the driver to stop. |
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| Keywords: | Ultrasonic distance measurement Singal-chip microcomputer Alarm |
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