Developed for an interaction design project at Østfold University College, this card payment terminal eliminates the risk of somebody other than the customer reading the pin-code. Using NFC also eliminates the possibility for the user to insert the visa card incorrectly, as you can swipe it near the screen in any direction and orientation.
The main screen shows transaction info (f.ex a list of the groceries you’re paying for) and step by step instructions for using the terminal. Input to the terminal is by using the scroll-wheel at the top of the terminal. The small recessed screen in the center of the blue input wheel shows your pin. The digits for the pin code are entered by turning the wheel and pressing the center screen/button.
Blind or otherwise visually impaired customers can use their phone with a numeric pad to enter their pin and fulfill the transaction by swiping their phone close to the terminal (connection is made using NFC).
NFC visa terminal
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