One of the problems for the smart buildings of tomorrow is that they may depend on some very un-smart wires to power them. To cut the cord, Eindhoven University of Technology (TU/e) researcher Hao Gao, as part of his PhD thesis, is developing a tiny transmitting temperature sensor that is powered by radio waves to eliminate the need for wires or batteries. Instead, it picks up radio waves from a special router, converts them into electricity, and uses it to transmit readings.
.. Continue Reading Tiny temperature sensor powered wirelessly with radio waves
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