The White Sphere App — Cashless Payments for Vending Fridges
The customer — Belaya Sphera (The White Sphere), owns a food vending machine chain in Moscow.
The task: to develop an app that supports cashless payments for controlling vending fridges. The app has to work as a key to access the fridges through an authorized account and make it easy to pay for products.
What we did:
• QR code access
Each fridge has a unique QR code. The app functions as a key: it scans the code, which allows the user to open the fridge and take what he or she wants.
• Automatic payment
Each product in the fridge has an RFID tag. This allows the system to detect what product has been bought by the user, automatically debiting the linked card.
• Outstanding payments
If the user has insufficient funds on their card, the outstanding payment is recorded, and the app blocks further purchases.
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