基于STM32的数据采集系统的设计与实现

针对当前人们对室内空气质量监测的需求,设计并实现了一种数据采集系统。采用STM32单片机为控制核心,利用DHT11数字温湿度传感器和光学尘埃传感器实现对环境的温度、湿度、粉尘浓度(PM2.5)等数据进行采集,并通过串行口与上位机进行通信,从而使上位机实时得到监测数据,用户可以在上位机上对采集的数据进行存储、分析和回放等。测试结果表明,该系统电路结构简单,能稳定、高效的监测室内环境数据,具有一定的应用价值。

In view of people's demand for indoor air quality monitoring,a data acquisition and control system is designed and implemented by using STM32 microcontroller as the core component.Dht11 digital temperature and humidity sensor and optical dust sensor are used to collect environment temperature,humidity and dust concentration(PM2.5),and to communicate with the host computer through serial port,so that the upper computer can get the monitoring data in real time and The user can store,analyze and playback the collected data on the upper computer.The test results show that the circuit structure of the system is simple,stable and efficient to monitor indoor environment data,and has certain application value.

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