30 Jul '13, 6pm

Hack Your Own Wireless Leash

Hack Your Own Wireless Leash

All my life, I’ve misplaced things. I’ve stopped counting the number of umbrellas and jackets I’ve lost. So it’s comforting that technology has finally caught up with this common human foible. Owners of recent-generation iPhones can now purchase a variety of low-power radio beacons that they can attach to their clothing, bags, wallets, or whatever they fear leaving behind. When the item gets out of range, their phones will alert them. But there are places where cellphone use is forbidden, such as schools and locker rooms. And the beacons are a little problematic for keeping track of multiple items, because each one can cost US $50 or more. Then there are people like me, who don’t have an iPhone and don’t plan to have one anytime soon. So I decided to build a phoneless loss-prevention system. Not wanting to start completely from scratch, I decided to see if I could press th...

Full article: http://spectrum.ieee.org/geek-life/hands-on/hack-your-own...

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