Posts Tagged ‘contactless cards’
RFID enabled vending machines
Written by NFC Admin Donnerstag, 7 April 2011 07:58
Automated vending machines are a very popular use case for contactless payment. The trickiest think in this case is the payment process itself. Most vending machines require the customer to insert the coins first, then select the product and after the product was released, the vending machine will give back the change. The issue in this case the protocol of the MDB (Multi Drop Bus) Bus which the interaction between the components. So if the MDB protocol is not changed, the process would look like that:
(The full story is availbe here: http://www.avbrand.com/projects/popcard/)
Schlagwörter: automated vending, contactless cards, nfc | Posted under Allgemein | Keine Kommentare
