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Author(s):

Dr. S. Kamalathiyagarajan | S Nagulan | M Midhun | R S Harikrishnan
Keywords:

Internet Of Things, Smart Irrigation, ESP32, Smart Water Monitoring Dashboard NPK Sensor, RS485 Modbus, Energy Efficiency, Precision Agriculture.
Abstract:
Conventional Irrigation Methods Often Result In Excessive Water Use, Energy Waste, And Inadequate Fertilizer Management, Despite The Fact That Agriculture Is Crucial To Economic Prosperity. To Solve These Problems, This Study Proposes An Internet Of Things (IoT)-based Real-time Crop Irrigation And Energy-efficient System That Integrates Automatic Water Level Monitoring, Remote Load Control, And Soil Nutrient Analysis. The Proposed Solution Uses An ESP32 Microcontroller To Monitor The Water Tank's Level And Promptly Alert The Smart Water Mobile Application When The Tank Fills Up. Relay Modules Are Used To Control Electrical Loads, Such As Lightbulbs Or Irrigation Pumps, To Reduce Power Consumption And Avoid Overflow. Additionally, An NPK Soil Sensor Interfaced Via RS485 Modbus Communication Provides Real-time Potassium, Phosphorus, And Nitrogen Measurements