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The internet of things takes center stage in this week's Fish Fry podcast! Peter De Backer (Imec) joins me to discuss the challenges of developing neural networks for IoT devices and the details of Imec’s Analog Inference Accelerator (AnIA). Also this week, I take a closer look at how a team of researchers from National…
Researchers have developed a way to harvest energy from WiFi signals to power small devices.
The amount of WiFi sources to transmit information wirelessly between devices has grown exponentially. This results in the widespread use of the 2.4GHz radio frequency that WiFi uses, with excess signals available to be tapped for alternative uses.
To harness this under-utilized source of energy, researchers developed a technology that uses tiny smart devices known as spin-torque oscillators (STOs) to harvest and convert wireless radio frequencies into energy to power small electronics.
In their new study, the researchers successfully harvested energy using WiFi-band signals to power a light-emitting diode (LED) wirelessly, without using any battery.
SINGAPORE - Charging your smartwatch or medical implant wirelessly in the future could be as simple as being near a Wi-Fi router, after a recent breakthrough.
A team of researchers from Singapore and Japan has found a way to use very tiny devices to convert Wi-Fi signals into electricity to power small lights called LEDs.
The research, published last week in the prestigious Nature Communications scientific journal, could eventually help wirelessly power wearable medical devices and consumer electronic items.
This is possible as long as they are within range of Wi-Fi signals, which can be up to 100m.
For medical implants, the technology could do away with undergoing surgery every time an implant s battery needs to be replaced.
autoevolution 24 May 2021, 15:06 UTC ·
by 1 photo
Our existence relies on so many gadgets that are part of our power-draining lifestyle. But batteries could no longer be necessary in the future, thanks to a major discovery. Scientists are working on a technology to convert WiFi signals into energy, allowing us to power all our electronics wirelessly.
A team of researchers from the National University of Singapore and Japan’s Tohoku University came up with a technology to harvest WiFi signals using spin-torque oscillators (STOs). These are very small devices that generate microwaves and can convert wireless radio frequencies into energy. Using the STOs, the scientists were able to power a LED without the need for a battery, which gave them hope for many other future applications.