基于ESP32的多节点分布式温室环境控制系统设计

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DOI：10.16652/j.issn.1004-373x.2025.17.023引用格式：余恩，李永可，周文艺，等.基于ESP32的多节点分布式温室环境控制系统设计[J].现代电子技术，2025，48（17）：153-159.

关键词：ESP32；多节点分布式；智能温室；FreeRTOS；MQTT；物联网中图分类号：TN919-34；TP273+.1；S625.3 文献标识码：A 文章编号：1004-373X（2025）17-0153-07

Abstract：Amulti-nodedistributed greenhouseenvironmentalcontrolsystembasedonESP32isdevelopedinthisstudy.By employingtheFreeRTOSreal-timeoperatingsystemandmulti-threadingtechnology，thesystemmonitorsandadjusts key environmental parameters such us temperature and humidity，illumination intensity，and CO 2 concentration effectively.By utilizing thebusRS485andthe MQTTprotocol，thesystemensureshigh-stabilitydata transmisionincomplexgreenhouse environments，andtheexperimentaldatashowsthatthesuccssrateisashighas99.96%.Incomparisonwiththetraditional controlmethods，theproposedsystemnotonlyimprovescontrolacuracy，butalsoreducesenergyconsumptionsignificantly， which demonstrates its high eficiency and wide applicability in modern agricultural production.

Keywords：ESP32; multi-node distribution; smart greenhouse; FreeRTOS; MQTT; Internet of Things

0 引言

随着现代农业的快速发展，特别是在温室农业领域，传统的环境控制方法因依赖繁重的人工操作而显得效率低下且成本高昂[1-2。（剩余6958字）