bill reader

With microcontroller, either Arduino, rasberry or own design, the controller must be layers of; 1) Read tickets and classify them. 2) Return tickets in poor condition. 3) Return false notes informing the customer of the falsehood. It must be layers of returning money. In case of not having enough balance to return the remaining / returned, give the original ticket. In the future, this module will be connected to other modules that deliver stock. You should imagine this as one who charges in a business.