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发布时间：2023-12-10 00:51:57 来源：文档文库
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智能花盆自动浇水系统的毕业设计
目录
1、绪论....................................................................1
1.1选题的目的和意义....................................................11.2自动浇花器的诞生背景及国外发展现状..................................11.3毕业设计所采用的研究方法和手段......................................22、AT89C51单片机...........................................................4
2.1AT89C51单片机的基本组成............................................42.2AT89C51主要特性....................................................52.3管脚说明............................................................52.4AT89C51单片机的存储器..............................................7
2.4.1程序存储器....................................................72.4.2数据存储器....................................................82.5振荡电路和时钟......................................................92.6AT89C51的中断系统.................................................10
2.6.1中断系统结构和中断控制.......................................102.6.2中断响应过程.................................................122.7定时器/计数器......................................................12
2.7.1定时器/计数器0和1简介......................................122.7.2与定时器/计数器0和1相关的特殊功能寄存器....................13
3、温湿度传感器...........................................................14
3.1数字温湿度传感器SHT-11............................................153.2SHT-11的传感器输出................................................16
3.2.1湿度值输出...................................................173.2.2温度值输出...................................................173.2.3露点计算.....................................................183.2.4非线性校正及温度补偿.........................................183.3SHT-11的特性......................................................19
3.3.1SHT-11的特点................................................19
.专业.专注.
3.3.2SHT的详细规格...............................................193.4SHT-11的引脚......................................................203.5SHT-11的的部命令与接口时序........................................21
3.5.1SHT-11的部命令..............................................213.5.2SHT-11的命令顺序及命令时序..................................213.5.3SHT-11的状态寄存器..........................................223.6硬件接口..........................................................233.7恢复处理..........................................................233.8SHT-11的相关程序..................................................244、DS1302时钟芯片.........................................................30
4.1DS1302时钟芯片的简介..............................................304.2引脚..............................................................304.3命令字节..........................................................314.4DS1302的相关程序..................................................345、液晶显示器LCD..........................................................38
5.1液晶显示器的分类...................................................385.2AMPIRE128×64.....................................................38
5.2.1LCD128×64引脚功能.........................................395.2.2KS0108控制器指令功能........................................405.2.3应用说明.....................................................425.2.4LCD相关程序.................................................42
6、盆花自动浇水系统的设计..................................................50
6.1土壤温湿度检测与控制...............................................50
6.1.1硬件电路设计
