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Old April 12th, 2013, 05:15 AM   #17 (permalink)
davoid
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Quote:
Originally Posted by Hadron View Post
Yeah, I was thinking yesterday that a hall magnetometer to detect when a cover was closed is something I've seen before, but not managed to remember where. It may have been some time ago.
Yeah, my old Blackberry Curve used to know when it was in its case by detecting the magnet in the sheath-like case, and would go to sleep. And it would wake up on its removal, which I liked.
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