环境监测系统.zip_环境监测_BH1750FVI_单片机开发_嵌入式/单片机/硬件编程下载-pudn.com

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6273a9f2b58cc07ccdacf963/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6273a9f2b58cc07ccdacf963/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">XXX<span class="_ _0"> </span><span class="ff2">大学（学院）</span> </div><div class="t m0 x2 h4 y3 ff2 fs1 fc0 sc1 ls0 ws0">本科生毕业设计</div><div class="t m0 x3 h5 y4 ff2 fs2 fc0 sc0 ls0 ws0">基于单片机的蔬菜大棚数据采集系统的设计</div><div class="t m0 x3 h6 y5 ff1 fs2 fc0 sc0 ls0 ws0">Design of data acquisition system for vegetable</div><div class="t m0 x4 h6 y6 ff1 fs2 fc0 sc0 ls0 ws0"> greenhouse based on MCU</div><div class="t m0 x5 h5 y7 ff2 fs2 fc0 sc0 ls0 ws0">学生姓名</div><div class="t m0 x5 h5 y8 ff2 fs2 fc0 sc0 ls0 ws0">所在专业</div><div class="t m0 x5 h5 y9 ff2 fs2 fc0 sc0 ls0 ws0">所在班级</div><div class="t m0 x5 h5 ya ff2 fs2 fc0 sc0 ls0 ws0">申请学位</div><div class="t m0 x5 h5 yb ff2 fs2 fc0 sc0 ls0 ws0">指导教师<span class="_ _1"> </span>职称</div><div class="t m0 x6 h5 yc ff2 fs2 fc0 sc0 ls0 ws0">副<span class="_ _2"></span>指<span class="_ _2"></span>导<span class="_ _2"></span>教<span class="_ _2"></span>师<span class="_ _3"> </span>职称</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6273a9f2b58cc07ccdacf963/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x5 h5 yd ff2 fs2 fc0 sc0 ls0 ws0">答辩时间</div><div class="t m0 x7 h7 ye ff3 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x8 h8 yf ff2 fs3 fc0 sc1 ls0 ws0">目 录</div><div class="t m0 x9 h9 y10 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">设计总说明<span class="_ _4"> </span></span>I</div><div class="t m0 x9 ha y11 ff1 fs4 fc0 sc0 ls0 ws0"> INTRODUCTION<span class="_ _5"> </span>II</div><div class="t m0 x9 h9 y12 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">第<span class="_ _6"> </span></span>1<span class="_ _7"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">章<span class="_"> </span>绪论<span class="_ _9"> </span><span class="ff1">1</span></span></span></div><div class="t m0 xa h9 y13 ff1 fs4 fc0 sc0 ls0 ws0"> 1.1 <span class="ff2">课题研究背景<span class="_ _0"> </span></span>1</div><div class="t m0 xa h9 y14 ff1 fs4 fc0 sc0 ls0 ws0"> 1.2 <span class="ff2">国内外发展现状<span class="_ _a"> </span></span>1</div><div class="t m0 xb h9 y15 ff1 fs4 fc0 sc0 ls0 ws0"> 1.2.1 <span class="ff2">国外研究现状<span class="_ _b"> </span></span>1</div><div class="t m0 xa h9 y16 ff1 fs4 fc0 sc0 ls0 ws0"> 1.3 <span class="ff2">温度、湿度和光照与植物生长的关系<span class="_ _c"> </span></span>3</div><div class="t m0 xb h9 y17 ff1 fs4 fc0 sc0 ls0 ws0"> 1.3.1$<span class="ff2">温度与光照对蔬菜生长的影响<span class="_ _b"> </span></span>3</div><div class="t m0 xa h9 y18 ff1 fs4 fc0 sc0 ls0 ws0"> 1.4 <span class="ff2">本课题任务<span class="_ _d"> </span></span>4</div><div class="t m0 x9 h9 y19 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">第<span class="_ _6"> </span></span>2<span class="_ _7"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">章<span class="_"> </span>系统总体方案设计<span class="_ _e"> </span><span class="ff1">5</span></span></span></div><div class="t m0 xa h9 y1a ff1 fs4 fc0 sc0 ls0 ws0"> 2.1 <span class="ff2">设计要求<span class="_ _f"> </span></span>5</div><div class="t m0 xa h9 y1b ff1 fs4 fc0 sc0 ls0 ws0"> 2.2 <span class="ff2">方案选择<span class="_ _f"> </span></span>5</div><div class="t m0 xb h9 y1c ff1 fs4 fc0 sc0 ls0 ws0"> 2.2.1 <span class="ff2">温湿度传感器的选择<span class="_ _10"> </span></span>5</div><div class="t m0 xb h9 y1d ff1 fs4 fc0 sc0 ls0 ws0"> 2.2.2 <span class="ff2">光照传感器的选择<span class="_ _11"> </span></span>5</div><div class="t m0 xb h9 y1e ff1 fs4 fc0 sc0 ls0 ws0"> 2.2.3 <span class="ff2">单片机的选择<span class="_ _b"> </span></span>6</div><div class="t m0 x9 h9 y1f ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">第<span class="_ _6"> </span></span>3<span class="_ _7"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">章<span class="_"> </span>系统硬件设计<span class="_ _12"> </span><span class="ff1">7</span></span></span></div><div class="t m0 xa h9 y20 ff1 fs4 fc0 sc0 ls0 ws0"> 3.1 <span class="ff2">整体方案设计<span class="_ _0"> </span></span>7</div><div class="t m0 xb h9 y21 ff1 fs4 fc0 sc0 ls0 ws0"> 3.1.1 <span class="ff2">系统概述<span class="_ _13"> </span></span>7</div><div class="t m0 xb h9 y22 ff1 fs4 fc0 sc0 ls0 ws0"> 3.1.2 <span class="ff2">系统框图<span class="_ _13"> </span></span>7</div><div class="t m0 xa h9 y23 ff1 fs4 fc0 sc0 ls0 ws0"> 3.2 <span class="ff2">最小系统模块<span class="_ _0"> </span></span>8</div><div class="t m0 xb h9 y24 ff1 fs4 fc0 sc0 ls0 ws0"> 3.2.1 STC89C52<span class="_ _6"> </span><span class="ff2">简介<span class="_ _14"> </span></span>8</div><div class="t m0 xb h9 y25 ff1 fs4 fc0 sc0 ls0 ws0"> 3.2.2 <span class="ff2">最小系统电路<span class="_ _b"> </span></span>10</div><div class="t m0 xa h9 y26 ff1 fs4 fc0 sc0 ls0 ws0"> 3.3 DHT1<span class="_ _2"></span>1<span class="_ _6"> </span><span class="ff2">传感器电路<span class="_ _15"></span></span>1<span class="_ _2"></span>1</div><div class="t m0 xb h9 y27 ff1 fs4 fc0 sc0 ls0 ws0"> 3.3.1 DHT1<span class="_ _2"></span>1<span class="_ _6"> </span><span class="ff2">简介<span class="_ _6"> </span></span>1<span class="_ _2"></span>1</div><div class="t m0 xb h9 y28 ff1 fs4 fc0 sc0 ls0 ws0"> 3.3.2 <span class="ff2">接口说明<span class="_ _13"> </span></span>12</div><div class="t m0 xb h9 y29 ff1 fs4 fc0 sc0 ls0 ws0"> 3.3.3 DHT1<span class="_ _2"></span>1<span class="_ _6"> </span><span class="ff2">模块电路图<span class="_ _16"> </span></span>15</div><div class="t m0 xa h9 y2a ff1 fs4 fc0 sc0 ls0 ws0"> 3.4 <span class="ff2">光照采集电路<span class="_ _0"> </span></span>15</div><div class="t m0 xb h9 y2b ff1 fs4 fc0 sc0 ls0 ws0"> 3.4.1 <span class="ff2">光照传感器简介<span class="_ _17"> </span></span>15</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d 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<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6273a9f2b58cc07ccdacf963/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 xb h9 y2c ff1 fs4 fc0 sc0 ls0 ws0"> 3.4.2 <span class="ff2">光照传感器的分类<span class="_ _11"> </span></span>15</div><div class="t m0 xb h9 y2d ff1 fs4 fc0 sc0 ls0 ws0"> 3.4.3 BH1750FVI<span class="_ _6"> </span><span class="ff2">简介<span class="_ _18"> </span></span>16</div><div class="t m0 xb h9 y2e ff1 fs4 fc0 sc0 ls0 ws0"> 3.4.4 <span class="ff2">光照传感器模块电路<span class="_ _10"> </span></span>17</div><div class="t m0 xa h9 y2f ff1 fs4 fc0 sc0 ls0 ws0"> 3.5 <span class="ff2">液晶显示电路<span class="_ _0"> </span></span>17</div><div class="t m0 xb h9 y30 ff1 fs4 fc0 sc0 ls0 ws0"> 3.5.1 1602<span class="_ _6"> </span><span class="ff2">液晶简介<span class="_ _5"> </span></span>17</div><div class="t m0 xb h9 y31 ff1 fs4 fc0 sc0 ls0 ws0"> 3.5.2 <span class="ff2">液晶引脚说明<span class="_ _b"> </span></span>18</div><div class="t m0 xb h9 y32 ff1 fs4 fc0 sc0 ls0 ws0"> 3.5.3 <span class="ff2">指令介绍<span class="_ _13"> </span></span>19</div><div class="t m0 xb h9 y33 ff1 fs4 fc0 sc0 ls0 ws0"> 3.5.4 <span class="ff2">液晶显示模块电路<span class="_ _11"> </span></span>22</div><div class="t m0 xa h9 y34 ff1 fs4 fc0 sc0 ls0 ws0"> 3.6 <span class="ff2">蜂鸣器模块<span class="_ _d"> </span></span>22</div><div class="t m0 xa h9 y35 ff1 fs4 fc0 sc0 ls0 ws0"> 3.7 <span class="ff2">按键输入模块<span class="_ _0"> </span></span>23</div><div class="t m0 xa h9 y36 ff1 fs4 fc0 sc0 ls0 ws0"> 3.8 LED<span class="_ _6"> </span><span class="ff2">显示电路<span class="_ _19"> </span></span>24</div><div class="t m0 x9 h9 y37 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">第<span class="_ _6"> </span></span>4<span class="_ _7"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">章<span class="_"> </span>软件设计<span class="_ _1a"> </span><span class="ff1">25</span></span></span></div><div class="t m0 xa h9 y38 ff1 fs4 fc0 sc0 ls0 ws0"> 4.1 <span class="ff2">程序语言及开发环境<span class="_ _c"> </span></span>25</div><div class="t m0 xa h9 y39 ff1 fs4 fc0 sc0 ls0 ws0"> 4.2 <span class="ff2">程序流程图设计<span class="_ _a"> </span></span>25</div><div class="t m0 xb h9 y3a ff1 fs4 fc0 sc0 ls0 ws0"> 4.2.1 <span class="ff2">总体程序流程图设计<span class="_ _10"> </span></span>25</div><div class="t m0 xb h9 y3b ff1 fs4 fc0 sc0 ls0 ws0"> 4.2.2 1602<span class="_ _6"> </span><span class="ff2">液晶程序设计<span class="_ _16"> </span></span>27</div><div class="t m0 xb h9 y3c ff1 fs4 fc0 sc0 ls0 ws0"> 4.2.3 <span class="ff2">温湿度<span class="_ _6"> </span></span>DHT1<span class="_ _2"></span>1<span class="_ _6"> </span><span class="ff2">传感器程序设计<span class="_ _1b"> </span></span>28</div><div class="t m0 xb h9 y3d ff1 fs4 fc0 sc0 ls0 ws0"> 4.2.4 <span class="ff2">光照模块程序设计<span class="_ _11"> </span></span>29</div><div class="t m0 x9 h9 y3e ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">第<span class="_ _6"> </span></span>5<span class="_ _7"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">章<span class="_"> </span>硬件组装与调试<span class="_ _1c"></span><span class="ff1">30</span></span></span></div><div class="t m0 xa h9 y3f ff1 fs4 fc0 sc0 ls0 ws0"> 5.1 <span class="ff2">元器件的选择与测量<span class="_ _c"> </span></span>30</div><div class="t m0 xa h9 y40 ff1 fs4 fc0 sc0 ls0 ws0"> 5.2 <span class="ff2">元件的焊接与组装<span class="_ _1d"> </span></span>31</div><div class="t m0 xa h9 y41 ff1 fs4 fc0 sc0 ls0 ws0"> 5.3 <span class="ff2">电路的调试<span class="_ _d"> </span></span>31</div><div class="t m0 xb h9 y42 ff1 fs4 fc0 sc0 ls0 ws0"> 5.3.1 <span class="ff2">调试方法<span class="_ _13"> </span></span>31</div><div class="t m0 xb h9 y43 ff1 fs4 fc0 sc0 ls0 ws0"> 5.3.2 <span class="ff2">调试步骤<span class="_ _13"> </span></span>32</div><div class="t m0 x9 h9 y44 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">第<span class="_ _6"> </span></span>6<span class="_ _7"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">章<span class="_"> </span>总结<span class="_ _9"> </span><span class="ff1">33</span></span></span></div><div class="t m0 x9 h9 y45 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="_ _1e"> </span><span class="ff3"> <span class="_ _8"></span><span class="ff2">鸣<span class="_"> </span>谢<span class="_ _5"> </span><span class="ff1">34</span></span></span></div><div class="t m0 x9 h9 y46 ff1 fs4 fc0 sc0 ls0 ws0"> <span class="ff2">参考文献<span class="_ _1e"> </span></span>35</div></div><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div class="d m1"></div></a><a class="l" rel='nofollow' onclick='return false;'><div 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<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6273a9f2b58cc07ccdacf963/bg4.jpg"><div class="t m0 xc hb y47 ff1 fs5 fc0 sc0 ls0 ws0">I</div><div class="c x0 y1 w2 h2"><div class="t m0 xd hc y48 ff2 fs6 fc0 sc1 ls0 ws0">设计总说明</div><div class="t m0 xe h9 y49 ff2 fs4 fc0 sc0 ls0 ws0">随<span class="_ _1f"></span>着社<span class="_ _1f"></span>会<span class="_ _1f"></span>的<span class="_ _1f"></span>进<span class="_ _1f"></span>步<span class="_ _1f"></span>和工<span class="_ _1f"></span>农<span class="_ _1f"></span>业<span class="_ _1f"></span>生<span class="_ _1f"></span>产<span class="_ _1f"></span>技术<span class="_ _1f"></span>的<span class="_ _1f"></span>发<span class="_ _1f"></span>展<span class="_ _1f"></span>，<span class="_ _1f"></span>许多<span class="_ _1f"></span>产<span class="_ _1f"></span>品<span class="_ _1f"></span>对<span class="_ _1f"></span>生<span class="_ _1f"></span>产和<span class="_ _1f"></span>使<span class="_ _1f"></span>用<span class="_ _1f"></span>环<span class="_ _1f"></span>境<span class="_ _1f"></span>的要<span class="_ _1f"></span>求<span class="_ _1f"></span>越</div><div class="t m0 x9 h9 y4a ff2 fs4 fc0 sc0 ls0 ws0">来<span class="_ _1f"></span>越严<span class="_ _1f"></span>。<span class="_ _1f"></span>人<span class="_ _1f"></span>们<span class="_ _1f"></span>对<span class="_ _1f"></span>温度<span class="_ _1f"></span>、<span class="_ _1f"></span>湿<span class="_ _1f"></span>度<span class="_ _1f"></span>和<span class="_ _1f"></span>光照<span class="_ _1f"></span>强<span class="_ _1f"></span>度<span class="_ _1f"></span>等<span class="_ _1f"></span>环<span class="_ _1f"></span>境因<span class="_ _1f"></span>素<span class="_ _1f"></span>的<span class="_ _1f"></span>影<span class="_ _1f"></span>响<span class="_ _1f"></span>越来<span class="_ _1f"></span>越<span class="_ _1f"></span>重<span class="_ _1f"></span>视<span class="_ _1f"></span>了<span class="_ _1f"></span>。大<span class="_ _1f"></span>棚<span class="_ _1f"></span>技<span class="_ _1f"></span>术<span class="_ _1f"></span>的</div><div class="t m0 x9 h9 y4b ff2 fs4 fc0 sc0 ls0 ws0">普<span class="_ _1f"></span>及，<span class="_ _1f"></span>使<span class="_ _1f"></span>得<span class="_ _1f"></span>温<span class="_ _1f"></span>室<span class="_ _1f"></span>大棚<span class="_ _1f"></span>数<span class="_ _1f"></span>量<span class="_ _1f"></span>不<span class="_ _1f"></span>断<span class="_ _1f"></span>增多<span class="_ _1f"></span>，<span class="_ _1f"></span>对<span class="_ _1f"></span>于<span class="_ _1f"></span>蔬<span class="_ _1f"></span>菜大<span class="_ _1f"></span>棚<span class="_ _1f"></span>来<span class="_ _1f"></span>说<span class="_ _1f"></span>，<span class="_ _1f"></span>最重<span class="_ _1f"></span>要<span class="_ _1f"></span>的<span class="_ _1f"></span>一<span class="_ _1f"></span>个<span class="_ _1f"></span>管理<span class="_ _1f"></span>因<span class="_ _1f"></span>素<span class="_ _1f"></span>是<span class="_ _1f"></span>温</div><div class="t m0 x9 h9 y4c ff2 fs4 fc0 sc0 ls0 ws0">湿<span class="_ _1f"></span>度和<span class="_ _1f"></span>光<span class="_ _1f"></span>照<span class="_ _1f"></span>控<span class="_ _1f"></span>制<span class="_ _1f"></span>。温<span class="_ _1f"></span>湿<span class="_ _1f"></span>度<span class="_ _1f"></span>和<span class="_ _1f"></span>光<span class="_ _1f"></span>照强<span class="_ _1f"></span>度<span class="_ _1f"></span>太<span class="_ _1f"></span>低<span class="_ _1f"></span>，<span class="_ _1f"></span>蔬菜<span class="_ _1f"></span>就<span class="_ _1f"></span>会<span class="_ _1f"></span>被<span class="_ _1f"></span>冻<span class="_ _1f"></span>死或<span class="_ _1f"></span>者<span class="_ _1f"></span>停<span class="_ _1f"></span>止<span class="_ _1f"></span>生<span class="_ _1f"></span>长，<span class="_ _1f"></span>所<span class="_ _1f"></span>以<span class="_ _1f"></span>要<span class="_ _1f"></span>将</div><div class="t m0 x9 h9 y4d ff2 fs4 fc0 sc0 ls0 ws0">温湿度始终控制在适合蔬菜生长的范围内。</div><div class="t m0 xe h9 y4e ff2 fs4 fc0 sc0 ls0 ws0">本<span class="_ _1f"></span>设<span class="_ _1f"></span>计<span class="_ _1f"></span>以<span class="_ _1f"></span>单<span class="_ _1c"></span>片<span class="_ _1f"></span>机<span class="_ _1f"></span>最<span class="_ _1f"></span>小<span class="_ _1f"></span>系<span class="_ _1f"></span>统<span class="_ _1c"></span>为核<span class="_ _1c"></span>心<span class="_ _1f"></span>部<span class="_ _1f"></span>分<span class="_ _1f"></span>，<span class="_ _1f"></span>检<span class="_ _1f"></span>测<span class="_ _1c"></span>部分<span class="_ _1c"></span>使<span class="_ _1f"></span>用<span class="_"> </span><span class="ff3">DH<span class="_ _1f"></span>T11<span class="_ _20"> </span></span>温<span class="_ _1f"></span>湿<span class="_ _1f"></span>度<span class="_ _1f"></span>一<span class="_ _1f"></span>体<span class="_ _1c"></span>传<span class="_ _1f"></span>感<span class="_ _1f"></span>器</div><div class="t m0 x9 h9 y4f ff2 fs4 fc0 sc0 ls0 ws0">和<span class="_ _20"> </span><span class="ff3">BH1750FVI<span class="_ _20"> </span></span>光<span class="_ _1f"></span>照<span class="_ _1c"></span>检测<span class="_ _1c"></span>传<span class="_ _1f"></span>感<span class="_ _1f"></span>器<span class="_ _1f"></span>、<span class="_ _1f"></span>显<span class="_ _1f"></span>示<span class="_ _1c"></span>设<span class="_ _1f"></span>备<span class="_ _1f"></span>采<span class="_ _1f"></span>用<span class="_"> </span><span class="ff3">1<span class="_ _2"></span>602<span class="_ _20"> </span><span class="ff2">液<span class="_ _1c"></span>晶<span class="_ _1f"></span>，<span class="_ _1f"></span>可<span class="_ _1f"></span>以<span class="_ _1f"></span>同<span class="_ _1f"></span>时<span class="_ _1c"></span>显<span class="_ _1f"></span>示<span class="_ _1f"></span>检<span class="_ _1f"></span>测<span class="_ _1f"></span>到<span class="_ _1f"></span>的</span></span></div><div class="t m0 x9 h9 y50 ff2 fs4 fc0 sc0 ls0 ws0">温度<span class="_ _1f"></span>、<span class="_ _1f"></span>湿度<span class="_ _1f"></span>还<span class="_ _1f"></span>有光<span class="_ _1f"></span>照<span class="_ _1f"></span>强度<span class="_ _1f"></span>等<span class="_ _1f"></span>值。<span class="_ _1f"></span>同<span class="_ _1f"></span>时附<span class="_ _1f"></span>有<span class="_ _1f"></span>键盘<span class="_ _1f"></span>电<span class="_ _1f"></span>路、<span class="_ _21"></span><span class="ff3">LED<span class="_ _6"> </span></span>灯<span class="_ _1f"></span>电<span class="_ _1f"></span>路、<span class="_ _1f"></span>蜂<span class="_ _1f"></span>鸣器<span class="_ _1f"></span>电<span class="_ _1f"></span>路等<span class="_ _1f"></span>，<span class="_ _1f"></span>共</div><div class="t m0 x9 h9 y51 ff2 fs4 fc0 sc0 ls0 ws0">同<span class="_ _1f"></span>组成<span class="_ _1f"></span>了<span class="_ _1f"></span>本<span class="_ _1f"></span>设<span class="_ _1f"></span>计<span class="_ _1f"></span>的超<span class="_ _1f"></span>限<span class="_ _1f"></span>报<span class="_ _1f"></span>警<span class="_ _1f"></span>模<span class="_ _1f"></span>块。<span class="_ _1f"></span>整<span class="_ _1f"></span>个<span class="_ _1f"></span>设<span class="_ _1f"></span>计<span class="_ _1f"></span>结构<span class="_ _1f"></span>简<span class="_ _1f"></span>单<span class="_ _1f"></span>紧<span class="_ _1f"></span>凑<span class="_ _1f"></span>，功<span class="_ _1f"></span>耗<span class="_ _1f"></span>较<span class="_ _1f"></span>低<span class="_ _1f"></span>，<span class="_ _1f"></span>抗干<span class="_ _1f"></span>扰<span class="_ _1f"></span>能<span class="_ _1f"></span>力<span class="_ _1f"></span>强<span class="_ _1c"></span>、</div><div class="t m0 x9 h9 y52 ff2 fs4 fc0 sc0 ls0 ws0">总<span class="_ _1f"></span>体性<span class="_ _1f"></span>能<span class="_ _1f"></span>比<span class="_ _1f"></span>较<span class="_ _1f"></span>好<span class="_ _1f"></span>，符<span class="_ _1f"></span>合<span class="_ _1f"></span>了<span class="_ _1f"></span>智<span class="_ _1f"></span>能<span class="_ _1f"></span><span class="ff4">仪<span class="_ _1f"></span></span>器<span class="_ _1f"></span><span class="ff4">仪表<span class="_ _1c"></span></span>小<span class="ff4">型<span class="_ _1f"></span>化<span class="_ _1f"></span></span>的<span class="_ _1f"></span><span class="ff4">潮<span class="_ _1f"></span></span>流<span class="_ _1f"></span>，为<span class="_ _1f"></span><span class="ff4">今<span class="_ _1f"></span>后<span class="_ _1f"></span></span>开<span class="_ _1f"></span>发<span class="_ _1f"></span><span class="ff4">高<span class="_ _1f"></span></span>性<span class="_ _1f"></span>能和<span class="_ _1f"></span><span class="ff4">商<span class="_ _1f"></span></span>品<span class="_ _1f"></span><span class="ff4">化<span class="_ _1f"></span></span>的</div><div class="t m0 x9 h9 y53 ff2 fs4 fc0 sc0 ls0 ws0">温<span class="_ _1f"></span>湿度<span class="_ _1f"></span>测<span class="_ _1f"></span>量<span class="_ _1f"></span><span class="ff4">仪<span class="_ _1f"></span></span>器<span class="_ _1f"></span><span class="ff4">奠<span class="_ _1f"></span>定<span class="_ _1f"></span></span>了<span class="ff4">良<span class="_ _1f"></span></span>好<span class="_ _1f"></span>的<span class="_ _1f"></span>基<span class="_ _1f"></span><span class="ff4">础<span class="_ _1f"></span></span>。<span class="_ _1f"></span><span class="ff4">实<span class="_ _1f"></span></span>现一<span class="_ _1f"></span><span class="ff4">种<span class="_ _1f"></span></span>智<span class="_ _1f"></span>能<span class="_ _1f"></span>、<span class="_ _1f"></span><span class="ff4">快捷<span class="_ _1c"></span></span>、方<span class="_ _1f"></span><span class="ff4">便<span class="_ _1f"></span></span>的<span class="_ _1f"></span>温湿<span class="_ _1f"></span>度<span class="_ _1f"></span>和<span class="_ _1f"></span>光<span class="_ _1f"></span>照<span class="_ _1f"></span>的测</div><div class="t m0 x9 h9 y54 ff2 fs4 fc0 sc0 ls0 ws0">量系统。</div><div class="t m0 x9 h9 y55 ff2 fs4 fc0 sc0 ls0 ws0">关键<span class="ff4">词：</span>单片机<span class="ff4">；</span>温湿度<span class="ff4">；</span>光照</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>

<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6273a9f2b58cc07ccdacf963/bg5.jpg"><div class="t m0 xf hb y47 ff1 fs5 fc0 sc0 ls0 ws0">II</div><div class="c x0 y1 w2 h2"><div class="t m0 x10 hd y56 ff5 fs6 fc0 sc0 ls0 ws0">INTRODUCTION</div><div class="t m0 xe ha y57 ff1 fs4 fc1 sc0 ls0 ws0"> <span class="_ _1f"></span>W<span class="_ _2"></span>ith the<span class="_ _1f"></span> <span class="_ _1f"></span>development <span class="_ _1f"></span>of <span class="_ _1f"></span>society <span class="_ _1f"></span>and <span class="_ _1f"></span>the <span class="_ _1f"></span>development<span class="_ _1f"></span> of <span class="_ _1f"></span>industry <span class="_ _1f"></span>and <span class="_ _1f"></span>agriculture,<span class="_ _1f"></span> many</div><div class="t m0 x9 ha y58 ff1 fs4 fc1 sc0 ls0 ws0">products<span class="_ _1c"></span> <span class="_ _1f"></span>are<span class="_ _1c"></span> <span class="_ _1c"></span>more<span class="_ _1c"></span> <span class="_ _1f"></span>and<span class="_ _1c"></span> <span class="_ _1c"></span>more<span class="_ _1f"></span> <span class="_ _1c"></span>strict<span class="_ _1c"></span> <span class="_ _1c"></span>in<span class="_ _1f"></span> <span class="_ _1c"></span>production<span class="_ _1c"></span> <span class="_ _1c"></span>and<span class="_ _1f"></span> <span class="_ _1c"></span>use<span class="_ _1f"></span> <span class="_ _1c"></span>environment.<span class="_ _1c"></span> <span class="_ _1c"></span>People<span class="_ _1f"></span> <span class="_ _1c"></span>pay<span class="_ _1c"></span> <span class="_ _1c"></span>more<span class="_ _1f"></span> <span class="_ _1c"></span>and</div><div class="t m0 x9 ha y59 ff1 fs4 fc1 sc0 ls0 ws0">more<span class="_ _1c"></span> <span class="_ _1c"></span>attention<span class="_ _21"></span> <span class="_ _1c"></span>to<span class="_ _1c"></span> <span class="_ _1c"></span>the<span class="_ _21"></span> <span class="_ _1c"></span>influence<span class="_ _1c"></span> <span class="_ _1c"></span>of<span class="_ _21"></span> <span class="_ _1c"></span>environmental<span class="_ _1c"></span> <span class="_ _1c"></span>factors<span class="_ _21"></span> <span class="_ _1c"></span>such<span class="_ _1c"></span> <span class="_ _1c"></span>as<span class="_ _1c"></span> <span class="_ _21"></span>temperature,<span class="_ _1c"></span> <span class="_ _1c"></span>humidity<span class="_ _21"></span> <span class="_ _1c"></span>and</div><div class="t m0 x9 ha y5a ff1 fs4 fc1 sc0 ls0 ws0">light<span class="_ _1c"></span> <span class="_ _1c"></span>intensity<span class="_ _2"></span>.<span class="_ _1f"></span> <span class="_ _1c"></span>The<span class="_ _1c"></span> <span class="_ _1c"></span>popularity<span class="_ _1c"></span> <span class="_ _1c"></span>of<span class="_ _21"></span> <span class="_ _1c"></span>greenhouse<span class="_ _1c"></span> <span class="_ _1c"></span>technology<span class="_ _22"></span>,<span class="_ _1c"></span> <span class="_ _1c"></span>making<span class="_ _1c"></span> <span class="_ _1c"></span>the<span class="_ _21"></span> <span class="_ _1c"></span>number<span class="_ _1c"></span> <span class="_ _1c"></span>of<span class="_ _1c"></span> <span class="_ _21"></span>greenhouse</div><div class="t m0 x9 ha y5b ff1 fs4 fc1 sc0 ls0 ws0">growing,<span class="_ _17"> </span> <span class="_ _17"> </span>for<span class="_ _17"> </span> <span class="_ _17"> </span>vegetable<span class="_ _17"> </span> <span class="_ _6"> </span>greenhouses,<span class="_ _17"> </span> <span class="_ _17"> </span>the<span class="_ _17"> </span> <span class="_ _17"> </span>most<span class="_ _17"> </span> <span class="_ _17"> </span>important<span class="_ _6"> </span> <span class="_ _17"> </span>factor<span class="_ _17"> </span> <span class="_ _17"> </span>is<span class="_ _17"> </span> <span class="_ _17"> </span>the<span class="_ _17"> </span> <span class="_ _17"> </span>temp<span class="_ _1f"></span>erature<span class="_ _17"> </span> <span class="_ _17"> </span>and</div><div class="t m0 x9 ha y5c ff1 fs4 fc1 sc0 ls0 ws0">humidity<span class="_ _17"> </span> <span class="_ _6"> </span>and<span class="_ _17"> </span> <span class="_ _6"> </span>light<span class="_ _17"> </span> <span class="_ _17"> </span>contro<span class="_ _1f"></span>l.<span class="_ _17"> </span> <span class="_ _17"> </span>T<span class="_ _22"></span>emperature,<span class="_ _17"> </span> <span class="_ _6"> </span>humidity<span class="_ _17"> </span> <span class="_ _6"> </span>and<span class="_ _17"> </span> <span class="_ _17"> </span>light<span class="_ _6"> </span> <span class="_ _17"> </span>intensity<span class="_ _6"> </span> <span class="_ _17"> </span>is<span class="_ _17"> </span> <span class="_ _6"> </span>too<span class="_ _17"> </span> <span class="_ _6"> </span>low<span class="_ _22"></span>,<span class="_ _17"> </span> <span class="_ _17"> </span>the</div><div class="t m0 x9 ha y5d ff1 fs4 fc1 sc0 ls0 ws0">vegetables<span class="_ _15"> </span> <span class="_ _15"> </span>will<span class="_ _15"> </span> <span class="_ _15"> </span>freeze<span class="_ _15"> </span> <span class="_ _15"> </span>to<span class="_ _15"> </span> <span class="_ _15"> </span>death<span class="_ _15"> </span> <span class="_ _23"> </span>or<span class="_ _15"></span> <span class="_ _15"></span>stop<span class="_ _15"></span> <span class="_ _15"> </span>growing,<span class="_ _15"></span> <span class="_ _15"></span>so<span class="_ _15"> </span> <span class="_ _15"> </span>will<span class="_ _15"> </span> <span class="_ _15"> </span>always<span class="_ _15"> </span> <span class="_ _15"> </span>control<span class="_ _15"> </span> <span class="_ _15"> </span>temperature<span class="_ _15"> </span> <span class="_ _15"> </span>and</div><div class="t m0 x9 ha y5e ff1 fs4 fc1 sc0 ls0 ws0">humidity in a suitable vegetablegrowth range.</div><div class="t m0 xe ha y5f ff1 fs4 fc1 sc0 ls0 ws0">This<span class="_ _1c"></span> <span class="_ _1c"></span>design<span class="_ _21"></span> <span class="_ _1c"></span>is<span class="_ _1c"></span> <span class="_ _21"></span>based<span class="_ _1c"></span> <span class="_ _1c"></span>on<span class="_ _1c"></span> <span class="_ _21"></span>SCM<span class="_ _1c"></span> <span class="_ _1c"></span>system<span class="_ _21"></span> <span class="_ _1c"></span>as<span class="_ _1c"></span> <span class="_ _21"></span>the<span class="_ _1c"></span> <span class="_ _1c"></span>core<span class="_ _1c"></span> <span class="_ _21"></span>part,<span class="_ _1c"></span> <span class="_ _21"></span>the<span class="_ _1c"></span> <span class="_ _1c"></span>detection<span class="_ _21"></span> <span class="_ _1c"></span>part<span class="_ _1c"></span> <span class="_ _1c"></span>of<span class="_ _21"></span> <span class="_ _1c"></span>the<span class="_ _1c"></span> <span class="_ _21"></span>use<span class="_ _1c"></span> <span class="_ _1c"></span>of</div><div class="t m0 x9 ha y60 ff1 fs4 fc1 sc0 ls0 ws0">DHT1<span class="_ _2"></span>1<span class="_ _1c"></span> <span class="_ _1c"></span>temperature<span class="_ _21"></span> <span class="_ _1c"></span>and<span class="_ _1c"></span> <span class="_ _1c"></span>humidity<span class="_ _1c"></span> <span class="_ _21"></span>sensor<span class="_ _1c"></span> <span class="_ _1c"></span>BH1750FVI<span class="_ _1c"></span> <span class="_ _1c"></span>and<span class="_ _21"></span> <span class="_ _1c"></span>light<span class="_ _1c"></span> <span class="_ _1c"></span>sensor<span class="_ _2"></span>,<span class="_ _1c"></span> <span class="_ _21"></span>display<span class="_ _1c"></span> <span class="_ _1c"></span>device<span class="_ _1c"></span> <span class="_ _1c"></span>with</div><div class="t m0 x9 ha y61 ff1 fs4 fc1 sc0 ls0 ws0">1602<span class="_ _1f"></span> <span class="_ _1f"></span>LCD,<span class="_ _1f"></span> <span class="_ _1f"></span>can<span class="_ _1c"></span> <span class="_ _1f"></span>display<span class="_ _1f"></span> <span class="_ _1f"></span>the<span class="_ _1f"></span> <span class="_ _1c"></span>temperature,<span class="_ _1f"></span> <span class="_ _1f"></span>humidity<span class="_ _1f"></span> <span class="_ _1f"></span>and<span class="_ _1c"></span> <span class="_ _1f"></span>light<span class="_ _1f"></span> <span class="_ _1f"></span>intensity<span class="_ _1f"></span> <span class="_ _1c"></span>of <span class="_ _1c"></span>the<span class="_ _1f"></span> <span class="_ _1f"></span>detected<span class="_ _1f"></span> <span class="_ _1f"></span>contour<span class="_ _22"></span>.</div><div class="t m0 x9 ha y62 ff1 fs4 fc1 sc0 ls0 ws0">At<span class="_ _1c"></span> <span class="_ _1c"></span>the<span class="_ _1c"></span> <span class="_ _1c"></span>same<span class="_ _1c"></span> <span class="_ _1c"></span>time<span class="_ _21"></span> <span class="_ _1c"></span>with<span class="_ _1f"></span> <span class="_ _21"></span>the<span class="_ _1c"></span> <span class="_ _1c"></span>keyboard<span class="_ _1c"></span> <span class="_ _1c"></span>circuit,<span class="_ _1c"></span> <span class="_ _1c"></span>LED<span class="_ _1c"></span> <span class="_ _21"></span>lamp<span class="_ _1f"></span> <span class="_ _21"></span>circuit,<span class="_ _1c"></span> <span class="_ _1c"></span>buzzer<span class="_ _1c"></span> <span class="_ _1c"></span>circuit,<span class="_ _1c"></span> <span class="_ _1c"></span>etc.,<span class="_ _21"></span> <span class="_ _1f"></span>together</div><div class="t m0 x9 ha y63 ff1 fs4 fc1 sc0 ls0 ws0">constitute<span class="_ _15"> </span> <span class="_ _15"> </span>the<span class="_ _23"> </span> <span class="_ _15"> </span>design<span class="_ _23"> </span> <span class="_ _15"> </span>of<span class="_ _23"> </span> <span class="_ _15"> </span>the<span class="_ _23"> </span> <span class="_ _15"> </span>alarm<span class="_ _15"> </span> <span class="_ _23"> </span>module.<span class="_ _15"> </span> <span class="_ _15"> </span>The<span class="_ _23"> </span> <span class="_ _15"> </span>whole<span class="_ _15"> </span> <span class="_ _23"> </span>design<span class="_ _15"> </span> <span class="_ _23"> </span>is<span class="_ _15"> </span> <span class="_ _23"> </span>simple<span class="_ _15"> </span> <span class="_ _15"> </span>and<span class="_ _23"> </span> <span class="_ _15"> </span>compact<span class="_ _23"> </span> <span class="_ _15"> </span>in</div><div class="t m0 x9 ha y64 ff1 fs4 fc1 sc0 ls0 ws0">structure, low<span class="_ _1f"></span> power <span class="_ _1f"></span>consumption, s<span class="_ _1f"></span>trong anti-interference<span class="_ _1f"></span> ability<span class="_ _22"></span>, better<span class="_ _1f"></span> overall<span class="_ _1f"></span> performance,</div><div class="t m0 x9 ha y65 ff1 fs4 fc1 sc0 ls0 ws0">in <span class="_ _1f"></span>line<span class="_ _1f"></span> with <span class="_ _1f"></span>the<span class="_ _1f"></span> in<span class="_ _1f"></span>telligent <span class="_ _1f"></span>instrumentsminiaturization<span class="_ _1f"></span> trend<span class="_ _1f"></span> has<span class="_ _1f"></span> <span class="_ _1f"></span>laid <span class="_ _1f"></span>a<span class="_ _1f"></span> good <span class="_ _1f"></span>foundation<span class="_ _1f"></span> <span class="_ _1f"></span>for <span class="_ _1f"></span>the</div><div class="t m0 x9 ha y66 ff1 fs4 fc1 sc0 ls0 ws0">future development of temperature and humidity measuring instrument with high performan<span class="_ _1f"></span>ce</div><div class="t m0 x9 ha y67 ff1 fs4 fc1 sc0 ls0 ws0">and<span class="_ _23"> </span> <span class="_ _17"> </span>commercialization.<span class="_ _23"> </span> <span class="_ _15"> </span>A<span class="_ _21"></span> <span class="_ _17"> </span>kind<span class="_ _23"> </span> <span class="_ _17"> </span>of<span class="_ _23"> </span> <span class="_ _17"> </span>intelligent,<span class="_ _23"> </span> <span class="_ _17"> </span>fast<span class="_ _23"> </span> <span class="_ _23"> </span>and<span class="_ _17"> </span> <span class="_ _23"> </span>convenient<span class="_ _17"> </span> <span class="_ _23"> </span>measuring<span class="_ _17"> </span> <span class="_ _23"> </span>system<span class="_ _17"> </span> <span class="_ _23"> </span>of</div><div class="t m0 x9 ha y68 ff1 fs4 fc1 sc0 ls0 ws0">temperature, humidity and light is realized.</div><div class="t m0 x9 ha y69 ff5 fs4 fc0 sc0 ls0 ws0">KEYWORDS: <span class="ff1 fc2">Single Chip Microcompute; T<span class="_ _22"></span>em<span class="_ _2"></span>peratur<span class="_ _1f"></span>e and humidity; Illumination</span></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>