IoT Autonomous Precision Agriculture & Soil Moisture Irrigation
Autonomous sensor telemetry network using ESP32 microcontrollers, NPK soil sensors, automated solenoid valves, MQTT broker, and mobile dashboard.
Detailed Project Overview
An intelligent smart farming system combining ESP32 edge processing with cloud environmental monitoring. Uses capacitance soil moisture sensors, DHT22 ambient sensors, and optical rain sensors to calculate exact evapotranspiration water requirements. Actuates DC water pumps automatically via 5V relay shields and dispatches telemetry over MQTT to a live web & mobile dashboard.
Academic Problem Statement
Over-irrigation leads to soil salinity degradation and 60% fresh water waste, while under-irrigation devastates crop yields. Farmers require an automated, low-cost sensor telemetry system with mobile SMS/push alerts.
Proposed Methodology & Flow
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