Imagine that the products on the shelves of a supermarket could talk. Not in a “Hi, how are you?” kind of way, but just enough to tell a central computer where they are in the store, so that the computer could tell shoppers where to go to find them. That’s what a new system is supposed to do, using blinking overhead LEDs and low-power radio frequency tags on merchandise.
Tag Archives: LEDs
January 29, 2012 · 2:12 pm