Hargow

Hargow brings Perplexity's API's into the classroom: teachers can leverage Perplexity's search and sonar APIs directly in their lectures, distributing them to their students in real time.

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Inspiration

What it does

HarGow - AI-Powered Interactive Classroom Platform

Project Overview

HarGow is a real-time educational platform that transforms traditional lectures into interactive, AI-enhanced learning experiences. Built for a hackathon with a 1-minute demo constraint, it showcases how AI can revolutionize classroom engagement and learning outcomes.

Key Features

🎙️ Live AI Transcription & Summarization

  • Real-time speech-to-text using Deepgram API
  • Automatic extraction of key lecture points every 30 seconds
  • Handwritten-style display with animated text appearance
  • AI-powered content enrichment with Perplexity for deeper insights

💬 Interactive Q&A System

  • Students can submit questions in real-time
  • AI-powered answer generation with citations
  • Upvoting system to prioritize important questions
  • Teacher dashboard to monitor and respond to student queries

⚡ Instant Quiz Generation

  • Automatically generates quizzes from lecture content
  • 1-minute timed quizzes (per hackathon constraints)
  • Real-time response tracking and analytics
  • Immediate feedback showing correct answers and explanations

📊 Live Session Management

  • QR code-based session joining
  • Real-time participant tracking
  • WebSocket-based synchronization between teacher and students
  • Session codes for easy classroom access

Tech Stack

  • Frontend: Next.js 15, React, TypeScript, Tailwind CSS, Framer Motion
  • Backend: Node.js, Socket.io for real-time communication
  • AI Services:
    • Deepgram (speech-to-text)
    • Perplexity AI (content enrichment & quiz generation)
    • OpenAI GPT-4 (answer generation)
  • State Management: Zustand
  • Real-time: WebSocket server on port 3001

Demo Highlights

  • Pre-loaded with water cycle lecture content for instant demonstration
  • Teacher view shows transcription, main points, and student questions
  • Student view enables question submission and quiz participation
  • Quiz mode generates contextual questions from lecture material
  • 1-minute timer showcases rapid learning assessment

Use Case

Perfect for educators who want to:

  • Increase student engagement during lectures
  • Get real-time feedback on student understanding
  • Automatically generate study materials and assessments
  • Create an inclusive environment where shy students can ask questions

Hackathon Optimizations

  • Pre-populated demo content for quick demonstration
  • 1-minute quiz timer to fit demo constraints
  • Instant AI response generation
  • Clean, modern UI with smooth animations

Built with ❤️ for transforming education through AI

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