JERAJournal of Electronic Research and Application2208-35022208-3510Bio-Byword Scientific Publishing Pty. Ltd.10.26689/jera.v10i2.14335ArticleMulti-Functional Environmental Monitoring and Alarm Experimental Device Based on the OneNET Cloud Platformhttps://artdesignp.com/journal/JERA/10/2/10.26689/jera.v10i2.14335LiChanglu,LiuPeng,LinMao,ZhangXiaoyi20261022026-03-31This paper introduces a multi-functional environmental monitoring and alarm device. With an STM32 microcontroller as the control core, the device integrates multiple sensors for environmental parameter collection, and realizes wireless data transmission through the ESP8266 WiFi module. It connects to the OneNET cloud platform for device management, data monitoring, and alarm information push. Practical verification shows that the device features accurate sampling, timely response, stability, and reliability. The production process of the device closely combines theory and practice, meeting the teaching needs under the new engineering education model. It can be used as experimental teaching equipment; meanwhile, aligning with the development direction of environmental monitoring technology, it is suitable for environmental monitoring and early warning in daily life, and has broad market application prospects.

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