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In life, we often find U-disk is lost or cannot be found , so we designed this using Bluetooth location-enabled U-disk, each U-disk has a QR code that matches with it, as long as the phone scanning QR codes, U-disk information with phone-bound.There is a switch on top of the U-disk, and when in the open position, we can see U-disk on the phone with the distance between the mobile phone and U-disk so that we can find U-disk
College of Science&Technology
school of software technology zhejiang university
mengrong hou ,lian xue,