本科论文目 录摘 要...................................................................................................................IAbstract................................................................................................................II引 言...................................................................................................................31 总体方案设计及选择........................................................................................51.1 设计方案与选择.......................................................................................51.2 总体方案设计...........................................................................................51.2.1 系统总体设计..................................................................................52 硬件电路的设计................................................................................................82.1 电源电路...................................................................................................82.2 控制核心 STC89C52 单片机...................................................................82.3 时钟电路...................................................................................................82.4 复位电路...................................................................................................82.5 按键模块...................................................................................................92.6 NFR24L01 无线传输模块.....................................................................102.7 LCD12864 液晶屏显示模块..................................................................112.8 轴承样品展示模块.................................................................................123 系统软件设计..................................................................................................133.1 主程序流程图设计.................................................................................133.1.1...
