👵👴 Elder Companion: 3D Avatar PWA

📱 Overview

Elder Companion is a Progressive Web App featuring personalized 3D avatars designed specifically for elderly users. The application provides an intuitive, accessible interface with voice interaction capabilities, making technology more approachable for seniors.

✨ Features

• 🗣️ Voice-Activated Interaction - Natural conversation with avatars using AssemblyAI and Groq for multi-language support
• 👤 Customizable 3D Avatars - Create avatars that resemble family members or caregivers
• 📞 Marketplace & Exercise Regimes - For essential goods and healthier body
• 📆 Reminders & Scheduling - Medication, appointments, and important events
• 🔍 Large Text & Simplified UI - Designed for users with visual impairments
• 📲 Prescription Formatting - Scans Prescriptions and notfies when to take them or to visit a doctor
• 🔄 Cross-Platform - Functions on smartphones, tablets, and desktop computers

🛠️ Technologies

• Frontend:

  • Three.js - For 3D avatar rendering
  • Progressive Web App (PWA) architecture
  • Responsive design optimized for larger text and buttons

• Backend:

  • Express.js - Backend framework
  • AWS - Cloud infrastructure, storage and OCR
  • Microsoft Azure - Authentication and cognitive services
  • Render - Deployment and hosting

• AI & Communication:

  • AssemblyAI - Speech recognition optimized for elderly voices
  • Groq - Fast LLM responses for natural conversations
  • Twilio - Voice and video communication

📋 Requirements

• Node.js 18+
• AWS Account
• Microsoft Azure Account
• Twilio Account
• AssemblyAI API key
• Groq API key

🚀 Installation

# Clone repository
git clone https://github.com/sanjayvs1/ho3
cd talking_avatar
cd server
# Install dependencies
npm/pnpm install

# Set up environment variables
cp .env.example .env
# Edit .env file with your API keys and credentials

# Start development server
npm run dev

💻 Usage

After installation, open the application in a modern web browser. First-time users will be guided through:

1. Account creation process(Personal information for Personalized-Use)
2. Avatar intro and other functionalities
3. Emergency contact configuration
4. Basic tutorial on navigation and features

👥 Target Audience

• Elderly individuals (65+)
• Family members of elderly people
• Caregivers and assisted living facilities
• Senior community centers

🔄 Updates & Maintenance

The application checks for updates when online and installs them automatically during inactive periods. All user data is securely backed up to the cloud when connected to the internet.

🤝 Contributing

Check out our PWA app at : karuna-ai.vercel.app