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基于單片機(jī)的電容測(cè)量?jī)x的設(shè)計(jì)與實(shí)現(xiàn)-展示頁

2025-06-03 14:50本頁面
  

【正文】 C, and finally through the the LCD1602 display shows the measured capacitance value. In software design, the design uses the C language to write the program. 【 Key words 】 STC89C52 microcontroller relay LM393 2 目 錄 1 緒論 ......................................................................................................................................... 4 概述 ............................................................................................................................... 4 系統(tǒng)的性能要求及特點(diǎn) ............................................................................................... 4 電容測(cè)量?jī)x 設(shè)計(jì)的意義 ............................................................................................... 4 2 系統(tǒng)分析及硬件設(shè)計(jì) ............................................................................................................. 4 系統(tǒng)設(shè)計(jì)思路與方案比較論證 ................................................................................... 5 系統(tǒng)設(shè)計(jì)思路 ..................................................................................................... 5 系統(tǒng)設(shè)計(jì)原理 ..................................................................................................... 5 方案論證與確立 ................................................................................................. 5 各個(gè)模塊的硬件電路設(shè)計(jì) ........................................................................................... 6 中央控制模塊設(shè)計(jì) ............................................................................................. 6 顯示模塊設(shè)計(jì) ..................................................................................................... 7 被測(cè)電路 模塊設(shè)計(jì) ............................................................................................. 9 3 軟件設(shè)計(jì) .................................................................................................................................... 10 軟件設(shè)計(jì)功能 ............................................................................................................. 12 電容測(cè)量?jī)x 主程序設(shè)計(jì)流程圖 ..................................................................... 12 2 液晶顯示頁面 ....................................................................................................... 12 4 整體系統(tǒng)的軟件調(diào)試 ................................................................................................................ 13 系統(tǒng)測(cè)試及分析 .............................................................................................................. 14 測(cè)試儀器及測(cè)試功能 ............................................................................................ 15 系統(tǒng)測(cè)試 ................................................................................................................ 15 測(cè)試結(jié)果分析 ........................................................................................................ 15 5 設(shè)計(jì)心得 .................................................................................................................................... 16 【致謝】 ....................................................................................................................................... 17 參考文獻(xiàn) .................................................................................................................................. 18 附錄 .......................................................................................................................................... 19 3 附錄 1 元器件清單 ................................................................................................................. 19 附錄 2 原理圖 .............................................................................................................................. 20 附錄 3 PCB 圖 .......................................................................................................................... 21 附錄 4 實(shí)物圖 ......................................................................................................................... 22 附錄 5 部分代碼如下 ............................................................................................................. 22 4 1 緒論 概述 近年來隨著科技的飛速發(fā)展,單片機(jī)的應(yīng)用正在不斷地走向深入,同時(shí)帶動(dòng)傳統(tǒng)控制檢測(cè)日新月益更新。 LM393 的輸出端接到STC89C52 單片機(jī) 的 INT0 口,當(dāng)?shù)碗娖綍r(shí)單片機(jī)產(chǎn)生外部中斷,單片機(jī)計(jì)數(shù)后再運(yùn)算求出C,最后通過 LCD1602 顯示器顯示被測(cè)電容容值。一般的測(cè) 量方法都存在計(jì)算復(fù)雜、不易實(shí)現(xiàn)自動(dòng)測(cè)量。 本設(shè)計(jì) 采用 ST
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