Inspiration We wanted to fight plastic pollution by encouraging people to recycle through rewards. Eco Warriors makes recycling fun and rewarding.
What it does Detects plastic bottles using a camera.
Rewards users with tokens.
Tokens can be redeemed for NFC-based eco-friendly products.
Tracks recycling history, achievements, and points.
How we built it Frontend: React
Backend: Express.js / Spring Boot
Database: MongoDB / PostgreSQL
Camera integration for bottle detection
NFC system for rewards
Challenges we ran into Accurate bottle detection
Fair token calculation
Hardware and software sync
Building a simple yet powerful UI
Accomplishments that we're proud ofEnd-to-end working prototype
Real-time detection and rewards
Clean user dashboard with tracking
What we learned Practical integration of AI + hardware
Importance of user motivation
Building sustainable tech with real impact
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