1 绪论..............................................................................................................................................1
1.1 课题研究背景
1.1.1 国外现状
1.1.2 国内现状
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1.2.2 时日运动轨迹跟踪介绍
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1.3 系统的原理叙述
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2 方案研究与选取 .......................................................................................................................5
2.1 方案一
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2.2 方案二
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2.3 方案的确定
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3 硬件电路分析............................................................................................................................7
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3.1.1 单片机的选取
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3.1.2 AT89C52单片机模块电路设计
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3.1.3 单片机复位电路的设计
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74LS74 ....................................................................................10
3.3.2 时钟模块电路设计
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3.4 光强度采集模块
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3.5 A/D 转换模块
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3.5.1 ADC0809 芯片介绍
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3.5.2 ADC0809 应用说明
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3.6 四位一体数码管显示模块
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3.6.1 LED 数码管介绍
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3.6.2 数码管显示模块电路
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3.7 太阳光跟踪控制模块
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3.7.1 步进电机的介绍
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3.7.2 步进电机控制电路设计
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3.7.3 步进电机的驱动电路原理
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4 太阳光跟踪系统的软件设计 ..............................................................................................22
4.1 主程序设计及工作原理
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4.2 光强度检测程序设计
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4.4 数码管显示程序设计
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5 硬软件调试 ..............................................................................................................................25
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