温度记忆杯垫temperaturememorycoasters(附件)【字数:19358】
目录
第一章 绪论..................................................................................1
1.1 智能家居在现代生活的应用与发展..........................................................1
1.2 温度检测方面的研究现状..........................................................................2
1.3 课题背景及研究意义..4
1.4 课题主要研究内容......................................................................................5
1.5 小结..5
第二章 系统硬件选择与设计...................................
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.................. 7
2.1 存储器EEPROM.7
2.1.1 串行接口EEPROM..7
2.1.2 并行接口EEPROM..............................................................................7
2.1.3 EEPROM电路模式选择.......................................................................7
2.2 温度传感器方案论证及选择......................................................................8
2.3 LED显示模块..9
2.4 硬件电路绘制软件..9
2.5 单片机汇编语言........................................................................................10
2.6 小结............................................................................................................11
第三章 温度记忆杯垫总体系统方案设计................................12
3.1 温度记忆杯垫的结构概述及其功能........................................................12
3.2 STC系列单片机概述.................................................................................12
3.2.1 STC89C52单片机............................................................................... 13
3.2.2 时钟电路设计......................................................................................13
3.2.3 复位电路设计......................................................................................14
3.3 DS18B20温度信号采集模块.................................................................... 14
3.3.1 DS18B20的基本原理..........................................................................14
3.3.2 DS18B20的特性..................................................................................17
3.3.3 DS18B20接口电路和工作时序..........................................................18
3.3.4 多个DS18B20测温论述....................................................................22
3.4 电源供电模块.............................................................................................25
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