Vending Fridge uses QR codes & RFID to 'know what you took'
ShelfX’s Vending Fridge nixes the cashier, uses QR codes, RFID to ‘know what you took’ By Joe Pollicino QR codes and RFID tags aren’t uncommon when it comes to automated payment applications, and now Colorado-based ShelfX has purposed them for its new wireless-equipped Vending Fridges. Eliminating the need for a cashier — or cash, […]