主权项 |
1. A vending machine comprising:
a product receptacle storing a plurality of products; a dispensing system selectively engaging the plurality of products; a product selection interface; a payment receiving device a display device; and a controller operably coupled to the dispensing system, the product selection interface, the payment receiving device, and the display device, the controller being programmed to:
receive a product selection from the product selection interface;receive notification of receipt of payment from the payment receiving device;activate, after the notification of receipt has been received, the dispensing system to dispense a dispensed product of the plurality of products corresponding to the product selection; andinvoke, after the notification of receipt has been received, display on the display device of an optical code identifying a transaction for sale of the dispensed product.
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