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DIY HACK - Acryllic LED Board for your CAR!

Posted in Circuits, Consumer, Cool, DoItYourself!, Educational, Entertainment, Gadgets, Graphics, Hack, Projects by max on the April 4th, 2007 at 5:40 am

Acryllic LED

Acryllic LED 2

Check out the awesome acrylic LED light DIY for your car. (It’s in Korean but you should be able to manage just with the pictures.)

Looks really cool… a simple but great idea for acrylic LED stuff.

via pagi.co.kr

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DIY HACK - How to run an AVR MCU on a battery made out of lime!

Posted in Chemistry, Circuits, Consumer, Cool, DoItYourself!, Educational, Entertainment, Gadgets, Hack, Microcontroller by max on the April 3rd, 2007 at 11:05 pm

Tiny AVR Microcontroller Runs on a Fruit Battery

Here’s a cool little DIY on how to run an AVR MCU on battery made out of lime!

Some of the fruit and vegetables we eat can be used to make electricity. The electrolytes in many fruit and vegetables, together with electrodes made of various metals can be used to make primary cells. One of the most easily available vegetable, the ubiquitous lemon can be used to make a fruit cell together with copper and zinc electrodes. The terminal voltage produced by such a cell is about 0.9V. The amount of current produced by such a cell depends on the surface area of the electrodes in contact with the electrolyte as well as the quality/type of electrolyte.

via http://zedomax.com/image/icon/make.jpg

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DIY HACK - PC Case Furniture!

Posted in Circuits, Consumer, Cool, DoItYourself!, Educational, Entertainment, Gadgets, Hack by max on the April 3rd, 2007 at 8:57 pm
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A Cell’s-Eye View of the Human Body (3D Animation)

Posted in Chemistry, Consumer, Cool, Educational, Entertainment, Medical, Video by max on the April 3rd, 2007 at 6:44 pm
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Monty

Posted in Consumer, Cool, DoItYourself!, Gadgets, Travel by max on the April 3rd, 2007 at 4:32 pm

Monty

Monty 2

Wow, check out this cool Monty bike this guy made!

This is a small, simple recumbent bicycle. With its 16″ wheels Monty is a portable vehicle which easily can be dismantled. I wanted a bike that I can bring on trains, buses and other means of public transport. Since there are hardly any small foldable recumbent bikes on the market I decided to build one myself.

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DIY HACK - How to make your own Metal Detector!

Posted in Circuits, Consumer, Cool, DoItYourself!, Earth, Educational, Entertainment, Gadgets, Hack, Industrial, Projects, magic by max on the April 3rd, 2007 at 2:27 pm

Metal Detector 1 Metal Detector 3

Metal Detector 2

I’ve noticed many people using metal detectors on the beach lately to find treasures or junk but here’s a great way to make one of those yourself!

BFO ( beat frequency oscillator ) metal detectors use two oscillators, each of which produces a radio frequency. One of these oscillators uses a coil of wire that we call the search loop. The second oscillator uses a much smaller coil of wire, and is usually inside the control box and is called the reference oscillator. By adjusting the oscillators so their frequencies are very nearly the same, the difference between them is made audible as a beat note, this beat note changes slightly when the search loop is moved over or near to a piece of metal. It has been found in practice best to make the search oscillator fixed say at 100khz and to arrange for the reference oscillator to be adjustable 100khz plus or minus 250hz. This gives a beat note of 250hz to 0 to 250hz. The beat note disappears or nulls when the two oscillators are about equal. This type of detector is most sensitive when the beat note is close to zero, about 5hz ( motor boating ) any slight change being noticeable.

via http://zedomax.com/image/icon/hackedgadgets.jpg

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DIY - Napkin Folding DIYs

Posted in Consumer, Cool, DoItYourself!, Educational by max on the April 3rd, 2007 at 12:54 pm
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DIY HACK - Wearable LED Light

Posted in Circuits, Consumer, Cool, DoItYourself!, Educational, Entertainment, Gadgets, Graphics, Hack, Projects by max on the April 3rd, 2007 at 12:42 pm

Wearable LED Light

Check out the wearable LED light you can make!

The Wearable Light kit is a leather cuff with LEDs embedded inside. The Velcro functions as a switch so the bracelet only illuminates when it is in active use. It is a kit designed as an investigative tool to gain insight into DIY culture. Marrying sewing techniques with electronics, a new aestheticized vernacular for constructing simple circuitry is developed. The kits were deployed to crafters in the U.S., Canada and UK.

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