Here is a drone-based system that helps find missing objects in warehouses. Many businesses use RFID tags for efficient inventory control. They can be read and identified from a distance. RFly extends RFID location-finding by 100x. This airborne circuit saves workers from manually scanning tags.
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RFly: Drones that find missing objects using battery-free RFIDs
The drone can catalog and locate all items as it goes up and down the aisles.
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