Design and Implementation of an Iot-Based Smart Irrigation System for Real-Time Monitoring, Remote Control, and Optimized Water Usage in Precision Agriculture

The escalating global demand for water conservation, coupled with the need for sustainable and efficient agricultural practices, has accelerated the development of smart irrigation systems based on the Internet of Things (IoT). However, despite significant progress, existing systems largely rely on threshold-based control using soil moisture data, with limited integration of advanced artificial intelligence (AI)-driven predictive models that incorporate multi-source inputs such as weather forecasts, evapotranspiration rates, and crop-specific water requirements. This limitation reduces the overall efficiency and adaptability of irrigation systems under dynamic environmental conditions. In response, this study presents the design and implementation of an IoT-based smart irrigation system that integrates real-time sensing, remote monitoring, and automated control to optimize water usage and enhance crop productivity. The proposed system combines soil moisture sensing, environmental monitoring, and cloud-based data processing to enable intelligent, data-driven irrigation scheduling. A key contribution of this work is the development of a data-driven decision-making framework that improves irrigation efficiency beyond conventional manual and threshold-based approaches. The research further examines core system components, including IoT-enabled sensor networks, meteorological monitoring devices, and AI-based predictive analytics, while reviewing diverse architectures such as Arduino-based microcontroller platforms, wireless sensor networks, and cloud computing infrastructures. Empirical evaluations demonstrate that the proposed system achieves significant reductions in water wastage while improving crop yields through precise irrigation control. Overall, this study provides a comprehensive and scalable system architecture that integrates hardware, communication networks, and cloud platforms, offering a practical solution for precision agriculture. It also highlights the potential for incorporating advanced AI models and secure communication mechanisms, such as blockchain, to enhance system reliability, scalability, and cybersecurity in future smart irrigation applications.

IOT, Arduino, Proteus, LED & LCD, Sensor, GSM (SIM800L, SIM900A), AI.

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