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总字数：13600+
摘要
当前随着科技的发展，人们生活水平不断提高，人们越来越重视当前居住的环境，在人们的居住，但是由于工业发展带来的空气污染也给人们的生活及其生命安全带来一定的损坏，其中对由于工作造成的雾霾现象给人们的生活带来的影响较为明显和严重。因此此次设计一款空气质量检测系统，该系统可以检测当前环境中的空气质量也可以检测当前环境中的PM2.5浓度，用户可以根据自己的需求设置这两个参数的上限值，当检测到空气质量和PM2.5浓度大于设置的最大值进行声光报警提醒用户，且将检测的数据通过LCD1602进行显示，且可以将检测的结果通过蓝牙发送到用户的手机上，用户可以通过手机远程非接触对当前的空气质量进行查询和了解。通过该设计，用户可以了解当前环境中的PM2.5和空气质量的情况，也可以针对当前的情况采取合理的措施，使得居住的空气质量处于正常的范围。
关键词：单片机；空气质量检测；蓝牙；PM2.5检测；声光报警；LCD1602
Abstract
Current with the development of science and technology, continuously improve people’s living standard, people pay more and more attention to the current living environment, in people’s live, but also because of the air pollution caused by industrial development brings to people’s life and life safety of damage, the haze phenomena caused by work for the life of people the impact of the more obvious and serious. So this design a air quality detection system, the system can detect the current environment also can detect the air quality in the current environment of PM2.5 concentrations, the user can according to your requirements set the upper limit of these two parameters, when they tested the air quality and PM2.5 concentrations greater than the maximum value set in acousto-optic alarm to remind users, And the test data is displayed through LCD1602, and the test results can be sent to the user’s mobile phone through Bluetooth, and the user can query and understand the current air quality through the mobile phone. Through this design, users can understand the current environment of PM2.5 and air quality, and can also take reasonable measures according to the current situation, so that the living air quality is in the normal range.
Keywords:Single chip microcomputer; Air quality testing; Bluetooth; PM2.5 detection; Sound and light alarm; LCD1602
目录
第一章 引言 3
第二章 控制系统总体设计 7
第三章 硬件电路 10
第四章 系统程序设计 20
第五章 仿真测试 25
第六章 实物测试 28
结论 32
致谢 33
参考文献 34
附录 36
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