目 录
引言.......................................................................................................................1
1 系统概述...........................................................................................................1
1.1 设计研究的背景和意义......................................................................................................1
1.2 本次设计内容......................................................................................................................1
2 系统设计的整体方案.......................................................................................2
2.1 主控芯片的方案论证..........................................................................................................2
2.2 显示模块的方案论证..........................................................................................................3
2.3 本章小节..............................................................................................................................4
3 系统硬件电路设计...........................................................................................4
3.1 单片机最小系统的电路设计..............................................................................................4
3.1.1 STC89C52 芯片模块电路设计 ........................................................................................4
3.1.2 系统时钟电路设计...........................................................................................................5
3.1.3 复位电路设计...................................................................................................................5
3.2 显示模块电路设计..............................................................................................................6
3.3 按键控制电路设计..............................................................................................................7
3.4 超声波模块..........................................................................................................................7
3.5 多功能模块..........................................................................................................................7
3.5.1 GPS 定位模块 ...................................................................................................................7
3.5.2 时钟模块...........................................................................................................................8
3.5.3 温湿度传感模块...............................................................................................................8
3.5.4 蓝牙模块...........................................................................................................................9
3.5.5 SIM800 短信模块 .............................................................................................................9
3.6 声光报警模块电路设计......................................................................................................9
3.7 运动轴模块........................................................................................................................10
3.8 电源模块............................................................................................................................10
3.9 从机播放模块....................................................................................................................11
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2023-02-18
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