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Induction-powered LED engagement ring [Project]
posted October 8 2013 9:59.49 by spic0m




Here's how to turn a bar of titanium into a ring with LED-illuminated jewels that light up when they're near a power source. One: fall in love. Two: a bunch of other stuff. Three: boom, magic-ring.

Ben Kokes did all three of these things. The result was a ring with an inductive loop, a copper coil assembly, hidden inside that causes the stones lining the outside of the band to light up when the ring comes within close proximity of an induced alternating magnetic field.

[Link: kokes]
 
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