毕业设计-- 单片机的温湿度计设计

《毕业设计-- 单片机的温湿度计设计》由会员分享，可在线阅读，更多相关《毕业设计-- 单片机的温湿度计设计（29页珍藏版）》请在毕设资料网上搜索。

1、 单片机课程设计 项目名称 单片机的温湿度计设计 专业班级 电器自动化（3+2） 学生姓名 指导教师 I 摘 要 温度和湿度是两个最基本的环境参数，人们生活与温湿度息息相关。在日常生活、 工业、医学、环境保护、化工、石油等领域，经常需要对环境温度和湿度进行测量和控 制。准确测量温湿度在生物制药、食品加工、造纸等行业更是至关重要。因此，研究温 湿度的测量方法和装置具有重要的意义。 随着科技的不断发展， 单片机技术已经普及到我们的工作、 生活、 科研等各个领域。 已经成为一种比较成熟的技术。由于单片机集成度高、功能强、可靠性高、体积小、功 耗低、使用方便等优点，目前已经渗透到我们工作和生活的方方面

2、面。 本论文介绍了一种以 AT89C51 为主要控制器件， 以 DHT11 为数字温度传感器的新型 数字温湿度计。本设计主要包括硬件电路的设计和系统软件的设计。 关键词关键词：温湿度传感器； LCD1602； AT89C51； DHT1 1； II Abstract Temperature and humidity are the two most basic environmental parameters, peoples life is closely related with the temperature and humidity. In daily life, industry,

3、medicine, environmental protection, chemical industry, petroleum and other fields, we often need to environment temperature and humidity measurement and control. Accurate measuring temperature and humidity in biological pharmacy, food processing, paper making industries is very important. Therefore,

4、 the study of the temperature and humidity measurement method and equipment has important significance. With the continuous development of science and technology, microcontroller technology has spread to our work, life, scientific research, and other fields. Has become a more mature technology. Due

5、to the high level of integration SCM, strong function, high reliability, small volume, low power consumption, easy to use, etc., and has penetrated into our work and all aspects of life. This paper introduces a kind of AT89C51 as the main control device, in order to DHT11 digital temperature sensor for new digital temperature and humidity meter. This design mainly includes hardware circuit design and software design. Keywords: : Temperature and humidity sensor; LCD1602; AT89C51; DHT1 1; III 目录 摘 要 I Abstract