The LiveTag technology will make any object “smart”

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<pre>The LiveTag technology will make any object

For a thing to be considered “smart”, it must have an interface to accept commands and respond to them. And this means the availability of electronic components and batteries for them, but there is an alternative. Engineers at the University of California at San Diego have developed the “LiveTag” technology, which will help to make a little bit smarter than any object at no extra cost.

LiveTag is strips in the form of some patterns of metal foil, fixed on a cellulose-dielectric basis. They do nothing themselves, only reflect, relay a radio signal, for example, from a Wi-Fi router to a smartphone. The highlight is that the reflected signal has a certain handwriting, which can be changed by touching the finger of the LiveTag label.

It works like this: we install a utility on the home theater that constantly scans the signal reflected from the LiveTag tags from the router. It does not carry information, it's just a communication channel. Tags are attached to your favorite sofa and now if you press your finger on the “Stop” mark, the signal is distorted and the utility will give the corresponding command to the gadget. Another label duplicates the “Pause” button, the third “Reduce the volume”, etc. If we imagine a “smart house” system where all radiation and radio signals are processed, we get the ideal budget solution instead of old switches and remote consoles.

LiveTag can be simply fixed on a bottle of water, in order to count the number and duration of signal distortion, how many times it was drunk within a day. Or stick it on the toilet door in the office, so that it can be observed without interference, how often it is used. By changing the material and structure of the tags, you can adapt them to the signal of Bluetooth, LTE, etc. So far, the range of the reflected signal is only 1 m, but this is a matter of technology. And LiveTag can be printed on plain paper or glued by hand.

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