The idea here is simple.  Stick an LED and 3V 2032 battery into a paper cube orgami thingee.

Great idea, well executed.

This little LED-lit cube is much more than just a paper lantern: It’s a translucent and flexible thin-film electronic circuit that hooks up a battery to an LED, limber enough to be folded into an origami box. And the coolest thing about circuits like these? You can make them at home.

via make

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Here’s a funny cheap lie detector you can make. I don’t know if it really works since there’s no circuit diagrams but you can find lots of lie detector circuit diagrams on the internet like this one I found in about 5 seconds:

Yes, these lie detectors probably won’t work on cats, maybe try dogs.

via dailyapps

Check out this cool Winamp plugin that allows you to convert Winamp songs to sound-activated lights!

DiscoLitez is a Winamp plugin that allows you to control lighting equipment from your computer. This is done using the printer port and some external switching/driving circuitry. At the moment, you’ll have to build the circuits yourself, but they are not complicated.

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Zedomax Party Lights II

Wow, check out this GIANT volume meter! So cool lookin’~

Looks like it’s some type of microcontroller with bunch of replays… Looks pretty simple to build… (the controls i mean)

“Volumen”, a giant graphic equalizer built by Argentinian artist, Sergio Avello relays the ambient urban noise levels around the Redgaleria in Buenos Aires. Pretty intense way of visualizing the constant buzz of the city, plus nice shots of the internal circuits at the below link.

via Make

For people who have to use an extension lead in order to house all of the plugs that are needed to get power for all of your hi tech gadgets and any else that you are going to need to get you through the day.

This means that the plugs can stay in place but the power can be switched off by just raising the plug and therefore cutting the power to that particular device.

Source [Yanko Design]

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Okay, here’s a funny DIY where you can make your own sound activated party lights.

If you want the non-adult version, you can check out our Christmas Voice Activated Party Lights too. (And yes, you have to use a Magnum for this one)

This project shows you how to make a music light out of inflated condoms and LEDs wired up to the sound out of your computer.

via Make

Check out this really cool parts organizer you can make using plastic bottles and save the earth at the same time!

If you’re like me, you have a ton of PCBs laying around from things you’ve taken apart. Put them to good use and salvage the components from them.

via MakeZine

They say that if you are on a desert island for so long, you will be able to make almost anything out of coconuts and here is the proof.

This is a really cool coconut amp, and in fact if you can make this then you are on your way to building up a civilisation.

Source [Techna Bob]

Check out the Atmel AVR temperature controller hack, although I made a better one last year that can be controlled via ethernet, the case looks awesome!

Wine doesn’t like subzero temperatures, and during wintertime, my “winecellar” got pretty cold.
There was an electric heating element, but the thermostat was broken, so it was either full burn or nothing.

That’s how the temperature monitor/controller came to be.
It was an obvious task for a small processor and I’ve always wanted to test the Dallas temperature sensors.

So, I designed this little device which could monitor the temperature and control the heater.

via Aboutmicrocontroller.blogspot.com

Researchers at the Oklahoma State University and DARPA have developed something that can only described as a mini jet engine, it can vary in from being smaller than a cigarette to longer than a foot, but can provide power to a UVA or other un-manned craft, which can take video or other images of the enemy.

This is a great time for this type of technology as there are many other items coming out such as the un-manned UVA that can stay in the air for up five years!

Source [New Launches]