HarshiniC123/Cold-Sheild

Cold Shield — An end-to-end IoT & AI platform for agricultural cold-chain monitoring, Gemini Vision crop disease diagnosis, pan-India mandi price arbitrage, and multilingual voice assistance for farmers. 🥶 Cold Shield — THE CHOSEN ONE Agricultural Cold-Chain Monitoring • AI Crop Doctor • Pan-India Mandi Intelligence An end-to-end IoT + AI platform that protects Indian farmers' perishable produce from farm-to-market — with real-time cold-chain monitoring, Gemini-powered crop disease diagnosis, pan-India mandi price arbitrage, and a voice assistant that speaks Telugu, Hindi, and English to illiterate farmers. --- ## 📸 Live Screenshots ### 🏠 Cinematic Scrollytelling Homepage > Scroll-driven storytelling that takes the viewer through the journey of a crop — from seed to market. --- ### 👨‍🌾 Farmer Dashboard — Live Cold Box Telemetry > Real-time ESP32 + DHT11 temperature monitoring, GPS tracking, produce freshness scoring, and a tri-lingual voice assistant. --- ### 🏛️ Pan-India Mandi Intelligence & AI Arbitrage > Compares wholesale prices, freight costs, cold storage rates, and net farmer profit across Delhi, Mumbai, Bengaluru, Hyderabad, Chennai, Madanapalle, Kurnool, and Guntur — with verified trader phone numbers. --- ### 🍃 AI Crop Doctor — Gemini Vision Plant Pathology > Upload any leaf photo and Gemini AI quantifies the exact tissue damage %, identifies the disease, prescribes chemical + organic remedies, and speaks the prescription aloud in the farmer's native language. --- ## 🏗️ System Architecture > **Obsidian-style knowledge graph** showing every connection between hardware, cloud APIs, services, components, and user-facing views. ```mermaid graph TB subgraph HARDWARE["🔧 Physical Hardware Layer"] ESP32["ESP32 DevKit V1\nWiFi Microcontroller"] DHT11["DHT11 Sensor\nTemp + Humidity"] NEO6M["NEO-6M GPS Module\nCeramic Patch Antenna"] RELAY["5V Relay Module\nCompressor Control"] CAM["ESP32-CAM\nLeaf Image Capture"] RPI["Raspberry Pi 4B\nAI Edge Controller"] GSM["SIM800L GSM Hat\nFarmer Voice Calls"] ESP32 --- DHT11 ESP32 --- NEO6M ESP32 --- RELAY ESP32 --- CAM RPI --- GSM RPI --- ESP32 end subgraph CLOUD["☁️ Cloud API Laye …