基于 STM32 红外测距系统设计摘 要伴随现代科学技术进展，出现了很多新领域，为了实现对物体近距离高精度无线测量，本论文对红外测距领域进行了讨论。本论文实行单片机作为处理器，编写 A/D 转换程序及 LCD 显示程序，红外传感器作为工作模块，完成一套高精度显示、实时测量红外测距系统。本系统结构简单、体积小、测量精度高、成本低、方便使用。本论文所介绍是一个基于 STM32 单片机并利用日本夏普企业型号为GP2Y0A21 红外传感器所设计红外测距系统。首先，介绍红外线及红外传感器分类及应用、STM32 单片机介绍和功效；其次，叙述红外测距系统工作原理及基础结构并对单片机、红外传感器、LCD 液晶显示器工作电路做了介绍；再次，对系统进行了整体设计构想，前后对系统硬件及软件进行设计，并对整个系统功效进行了调试。最终对整个设计进行总结，说明红外测距系统实现可行性。关键词 红外测距；单片机；A/D 转换；LCDSTM32-based infrared ranging system designAbstractWith the development of modern science and technology, there are many new areas, in order to achieve the object close range, high-precision wireless measurement，this topic of infrared ranging is studied. This topic using SCM as the processor, to write A/D converter and LCD display program, an infrared sensor as a working module, complete set of precision display, real-time measurement of infrared ranging system. This system has the advantages of simple structure, small size and high accuracy, low cost and convenient use.This paper introduced is based STM32 microcontroller and use of Japan's Sharp Corporation model GP2Y0A21 infrared sensor designed infrared ranging system. Firstly, introduce the classification and application of infrared distance measurement，it also introduces the function of STM32 microcontroller. Then illustrate the work theory and basic structure of it and introduce the LCD screen and work circuit. Again, the system has carried on the overall design idea, successively on the system h...
