基于stm32的智能环境噪音监测系统

智能耳塞可监测噪音环境，保护听力 #生活技巧# #数码产品使用技巧# #穿戴设备健康监测#

PAGE 基于STM32的智能噪音监测系统 摘要：在国家逐渐发展壮大的今天，工业发展使我国经济快速增长，但也导致了各种在发展壮大之前没有被发现的问题日益浮现，噪音污染就是其中之一。环境噪音会给环境或周围人造成不良影响，严重的甚至会破坏环境或给人们的身心健康造成很大的影响，因此我们需要一种简易的噪音监测仪器，可以很方便地监测出当前环境的噪音分贝值是否适合人们生活，从而达到监控的目的。 为了对环境噪音进行监测，本次毕业设计选题是对环境噪音监测系统，单片机采用的价格成本低、但功能性强大且稳定的STM32单片机芯片，用以对声音进行信号处理后得出当前环境分贝值。本设计还将增加一个环境粉尘浓度监测功能，用以模拟在工地上使用的扬尘噪声监测设备，将得到的分贝值和环境PM2.5浓度值显示在液晶屏中。最终通过蓝牙技术，将噪音分贝值和PM2.5浓度值发送给安卓手机的应用程序中，可以更加便捷地监测当前环境的情况。 关键词：噪音监测，PM2.5，STM32，蓝牙 Intelligent Environmental Noise Monitoring System Based on STM32 Abstract：In recent years, with the country is gradually developing and expanding, industrial development makes our countrys economy grow rapidly, but it also leads to various problems that were not discovered before the development rapidly of the country. Noise pollution is one of them. Ambient noise affect on the environment or around people, serious even can damage the environment or to peoples physical and mental health caused great influence. Therefore, we need a simple noise monitoring instrument, which can easily detect whether the current environmental noise decibel value is suitable for peoples life, so as to achieve the purpose of monitoring. To monitor the environmental noise, the graduation project topic is to monitor the environmental noise system, the single-chip microcomputer used low cost, but powerful and stable function of STM32 single-chip microcomputer chip, used for the sound signal processing to obtain the current environment decibel value. This design will also add an environmental dust concentration monitoring function, which is used to simulate the dust noise monitoring equipment used on the construction site. The obtained decibel value and environmental PM2.5 concentration value are displayed on the LCD screen. In addition, the noise decibel value and PM2.5 concentration value will be send to the android phone app through bluetooth technology, which can more easily monitor the current environment. Keywords：Noise monitoring, PM2.5, Bluetooth, STM32目

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