目录
第一章 绪论 ........................................................................................................................................................3
1.1 课题背景及其意义 ...............................................................................................................................3
1.2 单片机应用的发展及现状 ................................................................................................................3
1.3 本文的主要研究内容及论文结构安排.................................................................................................3
第二章 方案的设计与论证 ................................................................................................................................5
2.1 控制方案的确定 ....................................................................................................................................5
2.2 控制方式的选择 ....................................................................................................................................5
2.2.1 单片机芯片的选择.....................................................................................................................5
2.2.2 声音报警电路方案的选择..........................................................................................................5
2.2.3 显示方案的选择 .........................................................................................................................6
2.2.4 温度采集模块的选择..................................................................................................................6
第三章 硬件电路的设计 ....................................................................................................................................8
3.1 系统的功能分析及体系结构设计.........................................................................................................8
3.1.1 系统功能分析 .............................................................................................................................8
3.1.2 系统总体结构 .............................................................................................................................8
3.2 模块电路的设计 ....................................................................................................................................8
3.2.1 STC89C52 单片机核心系统电路设计.......................................................................................8
3.2.2 5V 电源电路设计......................................................................................................................12
3.2.3 LCD1602 液晶显示模块电路设计...........................................................................................13
3.2.4 蜂鸣器报警电路（低电平有效）设计...................................................................................15
3.2.5 按键电路设计 ...........................................................................................................................16
3.2.6 GY-906 MLX90614ESF 非接触式红外测温模块电路设计 ...................................................17
第四章 系统软件设计 ......................................................................................................................................19
4.1 编程语言选择 .....................................................................................................................................19
4.2 单片机程序开发环境 ..........................................................................................................................19
4.3 Keil uVision4 软件开发流程 ...............................................................................................................20
4.4 STC-ISP-15xx-v6.85p 程序烧录软件介绍..........................................................................................21
4.5 PL2303 串口程序烧写模块介绍.........................................................................................................22
4.6 程序流程图 .........................................................................................................................................23
第五章 系统焊接与调试 ..................................................................................................................................25
5.1 电路焊接 .............................................................................................................................................25
5.2 系统调试 .............................................................................................................................................26
5.2.1 系统程序调试 ..........................................................................................................................26
5.2.2 硬件测试 ...................................................................................................................................27
5.3 实物测试 .....................................................................................................................................27
致谢 ....................................................................................................................................................................29
参 考 文 献 ......................................................................................................................................................30
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