Glowing Keyhole

Trying to start a car or unlock a door at night can be an annoying task that involves taking a metallic stick and shoving it in a matching hole. Sure, some new and posh cars have a nifty glowing ring around the keyhole that greatly aids in the mechanical mating, but why not have a glowing keyhole instead? The automotive implementation would be simple, but the incremental benefits probably aren’t as great as putting a light source in apartment locks. The trickiest part in realizing this would be trying to get electricity to the door knob, which happens to be on a moving part attached to a hinge. However, with low power consumption LEDs, one could actually charge enough power from the turning of the knob to light the LED next time. Then the only question would be, how do you trigger the LED to turn on at the appropriate time? Any ideas?

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ZA is a blog about ideas: cool ideas, existent ideas, pointless ideas, crazy ideas, my ideas, your ideas, interesting ideas, funny ideas, product ideas, meaningless ideas, great ideas, shrimp ideas, etc. It’s here for people to rant, rave, share, and satisfy. Any idea here (if original) is free for you to use (I take no responsibility) as long as you credit the originator of the idea (be honest). Feel free to send me any ideas, but a blog is considered to be public disclosure so you will lose all rights to patent it. Enjoy.

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