STC89C52单片机的智能身高测量仪设计

摘要科技的进步，让我们生活越来越智能，越来越方便。此次设计介绍了一个基于STC89C52单片机的身高测量仪，以此单片机为平台，通过超声波在同一介质中的传播速度固定的原理，利用感应器收集超声波的传播时间，算出它的传播距离，由此得出物体的高度。73889

本设计包括软件设计和硬件设计两个部分。硬件系统中主要含有电源模块和单片机最小系统，以及下面分类的超声波模块，液晶模块和语音模块。设计的软件部分包括主程序，超声波发射程序以及接受程序，系统初始化程序，按键检测程序，显示屏驱动程序。测量仪不仅可以测量人体，物体的高度，同时可以将所测量的数据显示到液晶屏上，并自动语音读出来。以这类51单片机的设计出来的测量仪不仅成本较低，而且因为利用超声波定位，所以设计的测量精度也更高，稳定性也更好。无论是操作还是设计上都更加简单方便，比其他的身高测量仪性价比更高。

该论文有图10幅，表4个，参考文献10篇。

毕业论文关键词：STC89C52单片机超声波语音

Intelligent height measuring instrument based on 51 single chip microcomputer

Abstract The progress of science and technology, let us live more and more intelligent, more and more convenient。 This design introduces a height measuring instrument based on STC89C52 MCU, in order to SCM as a platform, principle of the ultrasonic propagation speed in the same medium fixed, using sensors to collect the ultrasonic propagation time, calculate its propagation distance, resulting the height of the object。

This design includes two parts, software design and hardware design。 The hardware system mainly contains the power module and the MCU minimum system, as well as the following classification of the ultrasonic module, LCD module and voice module。 The design of the software part includes the main program, ultrasonic transmitter and receiving procedures, system initialization procedures, key detection procedures, display driver。 The measuring instrument can not only measure the height of the human body, but also can display the measured data to the liquid crystal screen。 In order to design the measuring instrument this kind of 51 MCU is not only low cost, but also because of the use of ultrasonic positioning, so the measurement precision design is higher, the stability is better Whether it is operating or design is more simple and convenient, more cost-effective than other height measuring instrument。

This paper has 10 figures, 4 tables, 10 references。

Key words: STC89C52 microcontroller ultrasonic voice

摘要 I

Abstract II

图清单 III

表清单 IV

1。绪论 1

2。身高测量仪方案设计 1

2。1。系统的工作原理 1

2。2。设计方案的选择 2

3。测量仪硬件电路部分 4

3。1。单片机最小系统 4

3。2。电源电路 8

3。3。超声波模块 8

3。4。液晶电路模块 10

3。5。语音电路模块 11

4。测量仪软件设计部分 13

4。1。软件Keil的使用操作 13 STC89C52单片机的智能身高测量仪设计:http://www.youerw.com/zidonghua/lunwen_84297.html