目 录
摘 要.............................................................................................................................I
Abstract..........................................................................................................................II
1 绪论 .......................................................................................................................- 1 -
2 功能实现与系统概述 ...........................................................................................- 2 -
2.1 功能实现 .....................................................................................................- 2 -
2.2 系统概述 .....................................................................................................- 2 -
2.2.1 STC89C52 单片机 .............................................................................- 2 -
2.2.2 GSM 模块...........................................................................................- 4 -
2.2.3 传感器 ...............................................................................................- 6 -
2.2.4 LCD1602 液晶显示屏 .......................................................................- 7 -
2.2.5 DS1302 实时时钟芯片 ......................................................................- 7 -
3 硬件实现 ...............................................................................................................- 8 -
3.1 原理框图 .....................................................................................................- 8 -
3.2 系统电源 .....................................................................................................- 8 -
3.3 PL2303 芯片 ................................................................................................- 9 -
3.4 MCU 模块电路..........................................................................................- 10 -
3.5 温湿度传感器电路 ...................................................................................- 10 -
3.6 蜂鸣器电路 ...............................................................................................- 11 -
3.7 DS1302 时钟芯片电路..............................................................................- 11 -
3.8 传感器及 GSM 模块电路 ........................................................................- 12 -
4 软件的实现 .........................................................................................................- 13 -
4.1 程序流程图 ...............................................................................................- 13 -
4.2 各模块的编程 ...........................................................................................- 14 -
5 软硬件测试 .........................................................................................................- 16 -
5.1 硬件测试 ...................................................................................................- 16 -
5.2 软件测试 ...................................................................................................- 16 -
6 开发过程与调试心得 .........................................................................................- 20 -
7 总结 .....................................................................................................................- 22 -
致 谢 .....................................................................................................................- 23 -
参考文献 .................................................................................................................- 24 -
附 录 .....................................................................................................................- 25 -
