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于基单片机的多功能自行车里程表的设计--毕业设计.doc
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于基单片机的多功能自行车里程表的设计--毕业设计.doc
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基于单片机的多功能自行车里程表的设计
摘 要
本文设计了一种基于霍尔元件的自行车的速度和里程测量系统。以 AT89C52 单片机为核心,A44E 霍尔传
感器测转数,从而实现对自行车里程、速度的测量统计,采用 AT24C02 实现在系统掉电的时候保存里程信息,
并可以将自行车的里程和速度的物理量用 LED 显示出来。硬件部分是利用霍尔元件将自行车每转一圈的脉冲数
传入单片机系统,然后单片机系统将信号经过处理送往显示装置;软件部分用汇编语言进行编程,采用模块化设
计思想。
关键词:速度;里程;霍尔元件;AT89C52 单片机
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大庆师范学院本科毕业论文(设计)
Abstract
I am based on the design of a Holzer element to the bicycle's speed and mileage measurement system in this thesis.
The main content is take AT89C52 single chip as the core, A44E Holzer sensor in measuring speed, thus realizing the
bicycle mileage and speed measurement statistics, the use of AT24C02 realize in save mileage information when the
system power off, and can be displaying the bicycle mileage and speed of the physical quantity in the LED. The
hardware part of the Holzer element will take the pulse number of every turn to bike transfer to SCM system, then SCM
system will signal is processed to display device; use the assembly language programming in the software part, 啊
pplication the idea of modularization.
Keywords: Speed; course; Holzerelement; AT89C52 SCM
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大庆师范学院本科毕业论文(设计)
目 录
第一章 前言.....................................................................................................................1
1.1 课题背景...................................................................................................................1
1.2 课题设计的任务和要求...........................................................................................1
1.3 课题设计的内容.......................................................................................................1
第二章 自行车里程表的总体设计方案...........................................................................2
2.1 霍尔传感器.................................................................................................................2
2.2 设计思路.....................................................................................................................2
2.3 硬件设计.....................................................................................................................2
2.4 软件设计.....................................................................................................................3
第三章 自行车里程表的电路设计...................................................................................5
3.1 测量系统.....................................................................................................................5
3.2 数据处理系统.............................................................................................................6
3.3 时钟电路的设计.........................................................................................................8
3.4 显示电路设计.............................................................................................................8
第四章 软件部分设计.......................................................................................................9
4.1 系统总程序设计.........................................................................................................9
4.2 数据处理程序设计.....................................................................................................9
第五章 总结.....................................................................................................................11
参考文献.............................................................................................................................12
附 表.................................................................................................................................13
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