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"LED"

LED Rubik’s cube

Hoolaput | July 8th, 2008 | 5 Comments

I am fascinated by LEDs they are so small and yet they give off a great amount of light in a variety of colours. I am also fascinated by an old puzzle called the Rubik’s cube. Why not combine the two and make an LED Rubik’s cube. It will be a challenge giving power to all the LEDs and yet they can be easily turned and rotated. I bet there’s some geniuses out there that can do it (kipkay).

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Homeland Security Helmet

Bob Pagani | April 27th, 2008 | 25 Comments

I got to thinking about the various government programs which allege to protect us against terrorism and the like. That caused me to wonder if there wasn’t something the average person could do on an individual basis to help protect America. (more…)

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Solar powered, flickering LED candles

Compassman | April 22nd, 2008 | 2 Comments

Popular Science has had two projects for LED candles. Theses were great, but they could be improved in several respects:

- Make the lights turn on in dim light and turn off in bright
- Have the 9v batteries recharge by sun light
- Make the light flicker (more…)

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LED Night Light

Anthony | April 15th, 2008 | 3 Comments

I am attempting to build a led night light that will come on automatically when the lights in the room go off. Does anyone know of an easy way to use a Photocell (276-1657) to make my light come on automatically. I am using a 9 volt battery and six white leds (260-0017). I would really appreciate any help.

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LED lighting

Stephen | April 8th, 2008 | 4 Comments

I’d like to know how to use LED lights to create a unique look for rooms in my house and/or the interior of my car.

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LED Fader

Stephen Hoemke | April 7th, 2008 | 2 Comments

I purchased a snowman that is lit with an LED. The lighting is not bright enough and I want to make it brighter, as well as change colors. This snowman is about 12″ tall and made of crystalized plastic. The bottom has plenty of room to hold whatever lights I desire, but i want to stick with LED’s that are either different colors, or changing colors. These lights should fade from one color to the next with a timer circuit of some sort, either adjustable or preset.

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