Smart Irrigation System Using IoT

Agriculture plays a crucial role in global food security and economic stability. However, traditional irrigation methods often result in water wastage, inefficient crop hydration, and high labour costs. As water scarcity continues to rise, it is essential to adopt sustainable solutions that optimize irrigation practices. This paper presents an IoT-based Smart Irrigation System, designed to automate and enhance water management in agriculture. The system integrates soil moisture sensors, temperature sensors, humidity sensors, and rain sensors, feeding real-time environmental data to an Arduino UNO microcontroller. Based on preset thresholds, the system activates the water pump only when required, reducing excessive water consumption. Additionally, a timer-based scheduling feature ensures irrigation continuity even when sensor data is unavailable. To protect crops from damage, an ultrasonic animal repellent buzzer is incorporated into the system. This IoT-driven approach successfully minimizes manual intervention, improves agricultural efficiency, and supports sustainable farming practices. The implementation of cloud-based monitoring allows farmers to remotely control irrigation, ensuring transparency and control over water distribution.