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1、51單片機水溫水位控制系統(tǒng)摘要本溫度設(shè)計采用現(xiàn)常見的89C51單片機，配以DS18B20數(shù)字溫度傳感器，該溫度傳感器可自行設(shè)置溫度上下限。單片機將檢測到的溫度信號與輸入的溫度上、下限進行比較，由此作出判斷是否啟動繼電器以開啟設(shè)備。系統(tǒng)包括單片機模塊、溫度檢測模塊、水位檢測模塊和驅(qū)動電路設(shè)計四個部分。文中對每個部分功能、實現(xiàn)過程作了詳細介紹。關(guān)鍵詞：DS18B20數(shù)字溫度傳感器89C51水溫水位目錄一．概述..................................................................
2、......................................31.1課題研究的目的及意義...................................................................31.2技術(shù)指標...........................................................................................3二．總體設(shè)計方案...........................................
3、.............................................3三．詳細設(shè)計方案........................................................................................31.1溫度檢測系統(tǒng)...................................................................................31.2水位檢測系統(tǒng).........................
4、..........................................................5四．元件說明................................................................................................61.1工作原理..........................................................................................61.2單片機的選擇.
5、..................................................................................61.3溫度傳感器.......................................................................................81.4水位傳感器...................................................................................
6、..111.5顯示元件........................................................................................11五．硬件模塊設(shè)計......................................................................................121.1單片機模塊設(shè)計...............................................................
7、..............121.2溫度檢測模塊.................................................................................131.3水位檢測模塊.................................................................................141.4控制模塊...............................................................
8、.........................151.5驅(qū)動電路設(shè)計..........................................................................
