Touch Screen Arduino UPI System

I'm looking for an Arduino-based UPI system designed for restaurants. The system should verify payments within 3 seconds with utmost accuracy.

Key features:
- Touch Screen User Interface: The system should be equipped with a responsive touch screen interface.
- Payment Method: The system must support payment through barcode scanning.

Ideal Skills:
- Proficiency in Arduino programming
- Experience with touch screen interface development
- Knowledge in barcode scanning integration
- Skills in designing systems for restaurants
- Capability to ensure quick and accurate payment verification