Pre-paid cards for mobile phones PC vending machine using banknote

Abstract

This project aims to recognizing an entered banknote, implement of a practical circuit to receive the entered banknote and printed a thirteen number ( serial number of mobile card) having a costal value equal to that of the entered banknote. The problem in this project is that how to recognize among different multiple banknotes ( 20,50, 100 & 200 nis ) , also to decide whether the entered paper is really a banknote or any other paper. After image processing of banknotes , if it is true the printer prints the mobile card number , else, the machine returns it back to the customer. This project simplifies the selling process that is it performs the selling process by itself, and can be found in cafes, hospitals, streets, sale points, etc.