文档介绍：自行车数字里程表设计
摘要
在现代社会科学技术不断发展和人们物质、精神生活不断丰富的基础上,自行车已经不仅仅是一个简单的交通工具,更是成为了人们娱乐、锻炼的首选之一。而为了能在休闲活动中更好的运用自行车,记录行驶里程使得运动者的运动适量,就显得尤为重要。在这样的大环境之下,自行车数字里程表应运而生。随着不断的研究和发展,自行车数字里程表的功能也从单一的显示里程到速度、时间显示,以及环境的温度和湿度显示。
本文以STC89C52RC单片机为核心,选用最为简单的霍尔传感器,测量自行车轮转动的圈数并输出脉冲,另外辅以DS1302实时时钟和日历芯片、温湿度传感器、12864显示屏以及其他外部电路,通过软件编程,对采集的信号进行严格和精确的运算处理,设计出了一款以显示里程为主,并兼具速度、时间、环境温度、环境湿度显示功能的自行车数字里程表。
本设计的硬件电路结构简单,电路元件成本低廉,易安装,易操作,适用于各种规格的自行车。
关键词:STC89C52单片机;霍尔传感器;里程;显示
Bicycle odometer digital design
Electronic information science and technology11-2 Wang Junyu
Supervisor Shan Hong
Abstract
On the basis of science and technology in modern society and the continuous development and people's material and spiritual life unceasingly rich, the bike is not only the a simple traffic tool, is to e the first choice for one of the people entertainment and exercise. And in order to better use of bicycle in the leisure activities, the mileage of the movement is recorded, so it is important to get the right amount of sports.. For this reason, the bicycle odometer digit emerge as the times require. Under the constantly enriched, digital odometer for bicycle functions from a single display display mileage to the speed, time display, and environment temperature and humidity.
This paper to stc89c52rc MCU as the core, use the most simple Hall sensor, self measurement of rotation of the wheel circle and output the number of pulse and bined with DS1302 real time clock and calendar chip, temperature sensor, humidity sensor, 12864 display. Through software programming, the collected signals are strict and exact arithmetic processing design a to show the mileage, and both the speed, time, environment temperature, environment humidity display function for bicycle digital odometer.
The hardware of this design is simple, the circuit element is cheap, easy to install, easy to operate, and can be used in all kinds of specifications.
Keyword: STC89C52 MCU, Holzer sensor, mileage, display
目录
第1章绪论 1
课题的背景和意