With the development of society and the continuous growth of industry,air pollution has become increasingly serious,and PM2.5,as one of the main pollutants,has a serious impact on human health and the environment.This article proposes a remote measurement system for PM2.5 laser dust sensors based on LoRa(Long Range)technology.The system uses the STM32F103C8T6 control chip and achieves data transmission through the LoRa communication module.This system realizes real-time monitoring and remote transmission of PM2.5,improving the real-time and reliability of the data.
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