Flash Light

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When I heard about making flashlight, I remembered my childhood experience.

About 20 years ago, I caught a lightning bug(firefly) at the mountain during family trip.

But because I had only dark bottle, I couldn’t see the bug shining the light inside of it.

This flash light inspired by that nostalgic personal experience.

It only shines when the bottle is closed.

Also the reason why I think this concept is interesting is because the light is more meaningful when it’s shining in the darkness. Even though nobody can see it.

 

Materials

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Check the LED

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I tied this nut to one line to scratch the battery randomly so that LED turns on and off arbitrary like lightning bug.

 

 

 

Test before painting the bottle

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When the bottle closed, LED turns on. When a lid opened, LED turns off.

 

Paint the bottle to make inside invisible

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Final Test

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