Illustration Photo: Internet of Things (Public Domain from Pixabay.com)
Miniature WiFi device developed by Stanford engineers supplies missing link for the Internet of Things
“HitchHike is the first self-sufficient WiFi system that enables data transmission using just micro-watts of energy – almost zero,” Zhang said. “Better yet, it can be used as-is with existing WiFi without modification or additional equipment. You can use it right now with a cell phone and your off-the-shelf WiFi router.”
HitchHike is so low-power that a small battery could drive it for a decade or more, the researchers say. It even has the potential to harvest energy from existing radio waves and use that electromagnetic energy, plucked from its surroundings, to power itself, perhaps indefinitely.
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