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Smart Greenhouse System Using IoT for Climate Control and Remote Monitoring

Sep 2026 · 2026 7th International Conference on Smart Electronics and Communication (ICOSEC) · pp. 798-803 · 0 citations · 15 references

Abstract

The growing demand for sustainable, efficient agricultural methods has accelerated the development of smart greenhouse technologies. The paper introduces an IoT-based smart greenhouse system that should automatically monitor and control environmental conditions, with an ESP32 microcontroller as the central processing unit. The system combines soil moisture, MQ-135 gas, and LDR sensors to consistently capture real-time data on irrigation, air quality, and light intensity. The sensed parameters are displayed locally on an LCD and sent to the Blynk cloud platform for remote monitoring on a smartphone. The automated control system, such as a relay-enhanced water pump and an alert buzzer, ensures maximum irrigation and environmental safety with minimal human involvement. Under the experimental assessment, proper sensing, effective water management, and alerts are correct and prompt when the conditions vary. The solution is affordable, scalable, and applicable to small- and medium-scale farms, fostering greenhouse management, enhanced crop yields, and real-time information-based agriculture.

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