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基于at89s52單片機(jī)超聲波測距系統(tǒng)(已修改)

2025-06-30 15:27 本頁面
 

【正文】 AT89S52 單片機(jī)超聲波測距系統(tǒng) 目 錄一、設(shè)計(jì)任務(wù)和性能指標(biāo) .......................................................................................................................................3 設(shè)計(jì)任務(wù)........................................................................................................................................................3 性能指標(biāo)........................................................................................................................................................3二、超聲波測距原理概述 .......................................................................................................................................4 超聲波傳感器................................................................................................................................................5 超聲波發(fā)生器 ...........................................................................................................................................5 壓電式超聲波發(fā)生器原理 .......................................................................................................................5 單片機(jī)超聲波測距系統(tǒng)構(gòu)成....................................................................................................................5三、設(shè)計(jì)方案 ...........................................................................................................................................................6 AT89S52 單片機(jī) ............................................................................................................................................7 超聲波測距系統(tǒng)構(gòu)成 ...................................................................................................................................8 超聲波測距單片機(jī)系統(tǒng) ...........................................................................................................................8圖 32:超聲波測距單片機(jī)系統(tǒng)........................................................................................................................9 超聲波發(fā)射、接收電路 ...........................................................................................................................9圖 33:超聲波測距發(fā)送接收單元..................................................................................................................10 顯示電路.....
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