According to the British Broadcasting Corporation (BBC), Dutch scientists have recently developed a microchip that can capture energy and transmit information from radio waves. The research team from the University of Technology in Eindhoven, the Netherlands, said that this chip may help the development of the just-launched Internet of Things technology.
More and more microchips for measuring temperature, light and air pollution are now appearing in smart homes and public places. But one of the biggest challenges facing traditional chip technology is how to work without batteries. "If we need to change batteries around them all day and night, we certainly don't want to deploy hundreds of such sensors in our homes," said Professor Peter Baltus, who heads the research.
The new chip developed by the team precisely solves this problem. The chip contains a tiny antenna that captures energy from radio waves emitted by wireless routers and stores it, and when it is full, it can measure temperature and send signals to wireless routers.
Baltus said that they can also develop chips that measure light, motion and humidity. At present, this chip can only capture radio waves within 2.5 centimeters, but researchers believe that this distance can be extended to 1 meter. "It is theoretically possible to capture radio waves in a range of 5 meters," Baltus said.
The chip they developed was only 2 square millimeters and weighed 1.6 milligrams. The cost of this kind of chip is also very low, the cost of a chip is about 20 cents (about 1.3 yuan). After the surface is covered with a layer of paint, plastic or cement, the chip can still work, which means it can be perfectly embedded in the building.
According to data from Gartner Consulting of the United States, the IoT market is about to usher in the blowout era. The company predicts that in 2016, there will be 518 million smart buildings and 1 billion smart homes in the global urban areas. (Reporter Liu Yuanyuan)
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