About Smart Techno US

Building interactive quiz systems and AI automation with hands-on engineering experience in real classrooms.

My Journey: From Classroom to Code

Technical Architecture

Hardware Layer

  • ESP32-based wireless buttons with 100m range
  • Custom PCB design for durability
  • 6-month battery life on AA batteries

Software Layer

  • Node.js WebSocket server for real-time communication
  • MongoDB for session and results storage
  • React frontend with responsive design

AI Integration

  • Document parsing: PDF/Word to question extraction
  • Firestore integration for automated data logging
  • Google Sheets sync for educator analytics

Real Deployments: Where VBS Lives

Not theoretical demos. These are actual installations solving real problems.

🎓 Mechatronics Program - Southwest TN

Key results after 18 months:

  • 40% increase in quiz participation rates
  • 23% improvement in retention scores
  • Zero system downtime during exam periods

🏆 SkillsUSA Regional Competition

Our Engineering Philosophy

Why Open Source Matters

Data Ownership: Your Information, Your Control

Frequently Asked Questions

How much does VBS cost?

VBS includes free software with all hardware purchases. Player packages: $149 for 4 players, $49 per additional player.

Can I build my own hardware?

Yes! We provide the PCB design files, bill of materials, and assembly guides. You need basic soldering skills and access to an ESP32 module. We've documented the entire build process including common mistakes and how to avoid them.

What if I need more than 400 players?

Our architecture supports horizontal scaling. We've tested with 1,200 simultaneous players in a single session. Contact us for custom cluster configurations—we've done this for regional robotics competitions.

Do you offer a free trial?

Yes! Start with our Free Trial that includes VBS Manual, VBS Auto (50 questions), and AI Chat Bot (30 messages). No credit card required to get started.

Which quiz mode should I choose?

Buzzer Mode for speed competitions, Quiz Mode for detailed assessments, and Auto Mode for AI-generated questions from your documents. Each serves different educational needs.

Is my data secure with VBS?

Your quiz results go directly to your Google Sheets or Firestore. We don't store your data on our servers. You maintain full ownership and control of all your information.

Can students use their phones?

Yes! The VBS Player app works on both iOS and Android. Students can join quizzes using their smartphones as buzzer devices. Download from the App Store or Google Play.

What technical support do you provide?

Email support within 24 hours, detailed documentation, video tutorials, and community forums. Premium plans include priority support and dedicated account managers.

Do you have an API for integration?

Yes! Our REST API allows you to integrate VBS with your existing systems, LMS platforms, or custom applications. Full API documentation is available.

What's included in the hardware package?

Each package includes: Master Box with LCD screen, 4 Player Boxes with tactile buttons, USB-C cable, and detailed user manual. Expandable to 10 players.

Ready to Transform Your Learning Experience?

Join educators who've already made the switch to interactive, data-driven learning.