Thread: how does an auto-sleep cover actually work
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Old 02-17-2014, 01:56 PM   #7
BobC
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Quote:
Originally Posted by EndlessWaves View Post
I would have thought it's a sensor measuring the strength of the local magnetic field rather than a metal switch but I don't actually know.
Most likely a reed switch in the Glo - http://en.wikipedia.org/wiki/Reed_switch .

BobC
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