NFC

Use Your Smartphone as Your Car Key with an NFC Lock

Adding an NFC unlocker to your car allows you to open your vehicle with your phone, or an NFC ring.

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Recycled Energy: Ambient Backscatter Allows Wireless Communications with no Batteries

A team at the University of Washington has just come up with something that could become the next big thing for the Internet of Things. They’re using existing TV and cellular transmissions—ambient RF energy that’s in the air around already—both as a communication medium, and as a source of power.

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