毕业设计（论文）--基于STC89C52客流计数系统硬件设计.docVIP

工 学 院 毕 业 设 计（ 论 文 ） 题 目： 基于STC89C52客流计数系统硬件设计 专 业： 机电技术教育 班 级： 06机电2班 姓 名： 李政 学 号： 2006644216 指导教师： 陈娟 日 期： 2010年3月18号  目 录 摘要·························································3 概况及分析············································4 设计任务·························································5 方案论证比较····················································5 2.1单片机的选择··················································5 2.2显示模块·······················································6 2.3激光发射模块···················································6 2.4激光接收模块···················································7 2.5语音模块的选择·················································7 系统硬件框图设计 ···············································8 系统硬件设计····················································9 4.1单片机最小电路·················································9 4.2 LCD1602液晶驱动电路··········································10 4.3激光模块电路··················································10 4.4语音模块电路··················································11 系统软件设计····················································12 第六章 测试与结果分析·················································13 第七章 设计总结························································14 第八章 参考文献························································15 附录 1完成所有硬件所需的元器件 2.整个装置的硬件电路图 3.整个装置的软件程序 4.整个装置部分图片 基于STC89C52客流计数系统硬件设计 06机电技术教育2班 李政 指导老师: 陈娟 摘要：本设计的商场客流量计数系统（简称MTCS）采用STC89C52单片机为中心器件，利用光电感应的技术原理，结合LED数码管和光电计数电路来设计计数器。将软、硬件有机地结合起来。其中软件系统采用C语言编写程序。它开拓了计算机在商业领域的应用，而且提供了进行商业统计分析的数据信息。它主要由三部分组成。一是MTCS的光电感应板横贯布置在商场的入口处，并在光电感应板的上方布置专用光源。二是把全部光电感应板的数据输出端用双芯数据通讯电缆连接到中央计算机的串行口上。 关键词:客流量计数系统，单片机，串行口，语音显示 前言 随着商场客流量计数器的诞生及发展，在单片机基础上的计数器已经广泛运用于人们的日常生活中。对于零售业来说，顾客是货币的携带者 ，又是商品的潜在购买者研究客流量规律，可以提高商场或者超市的销售机会，将观看者转变为购买者，最大限度