🌾 Precision Agricultural System

👉B.Tech Major Projoct 2021-2025.

A smart agriculture monitoring system integrating IoT sensors, Blockchain, and Machine Learning to improve crop productivity, ensure secure data handling, and provide real-time monitoring for farmers.

📌 Project Overview

This project addresses challenges in traditional farming such as resource mismanagement, crop diseases, and lack of trust in sensor data.
It combines IoT-based data collection, blockchain-based security, and a web/mobile-friendly platform to create a reliable Precision Agriculture System.

🚀 Key Features

• ⚙️ IoT Integration: ESP32 with sensors (DHT11, Soil Moisture, pH, Rain, etc) for real-time environmental monitoring.
• 🔐 Blockchain Security: SHA-256 hashing to store sensor data on a lightweight blockchain ensuring immutability and trust.
• 📲 Mobile Monitoring: Real-time visualization via Blynk IoT App.
• 🖥️ Web Application: Flask-based plant disease detection using CNN + OpenCV.
• 📊 Responsive Dashboard: Farmers can view live data trends and receive disease predictions.
• ✅ Tested & Validated: Achieved <3% deviation in sensor readings and tamper-proof blockchain verification.

🛠️ Tech Stack

• Hardware: ESP32, DHT11, Soil Moisture Sensor, pH Sensor, Rain Sensor, more sensors
• Software: Python, Flask, HTML5, CSS3, JavaScript
• IoT Platform: Blynk
• Blockchain: SHA-256 Hashing, Smart Contracts
• Machine Learning: TensorFlow/Keras, OpenCV, CNN for disease detection
• Tools: Arduino IDE, Proteus, MATLAB, GitHub

📂 Project Structure

├── /hardware # Circuit diagrams, ESP32 code
├── /webapp # Flask-based web application for disease detection
├── /blockchain # Blockchain hashing & verification scripts
├── /datasets # Sample plant images for ML model
├── /docs # Project report, references, diagrams
└── README.md # Project documentation

🌱 Future Enhancements

• AI/ML integration for predictive irrigation & yield forecasting
• Drone-based crop monitoring & precision spraying
• Multi-sensor networks for pH, rainfall, and nutrient tracking
• Cloud + Blockchain storage for scalability
• Multilingual farmer dashboard with SMS alerts

👨‍💻 Authors

• Akash Deep Prasad
• Abir Paul
• Rajorshi Barman

Supervised by:
Dr. Arijit Ghosh (Assistant Professor, ECE, RCCIIT)