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 ...
QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...
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