Photographic Key Duplication

September 22, 2009 by Mike Szczys 49 Comments

[Ben] and his associates over at the University of California at San Diego came up with a way to duplicate keys using a picture of them. They developed an algorithm that uses measurements from known key blanks to extrapolate the bitting code. Because the software is measuring multiple points it can correct the perspective of the photo when the key is not photographed on a flat surface, but from an angle.

They went so far as to test with cell phone cameras and using a telephoto lens from 195 feet away. In most cases, correct keys were produced within four guesses. Don’t miss their wonderful writeup (PDF) detailing how key bitting works, traditional covert duplication methods, and all the details of their process. The lack of available code prevents us all from playing secret agent (or felon) with this idea but [Ben] did mention that if there is sufficient interest he might release it.

Lock bumping showed us how weak our security is, but this is a bit scary.

[Thanks Mike]

Seawater Cooled Data Centers

September 22, 2009 by Mike Szczys 89 Comments

swac-mauritius

Remember Mauritius from High School geography? We didn’t either, but apparently it’s a small island nation east of the southern tip of Africa. It seems they are trying to develop an industry in eco-friendly data centers. The plan is to use a pipeline to gather cold water from the ocean, run it two miles to the island, and use it as inexpensive cooling. Because rooms packed with servers generate copious amounts of heat it’s easy to see how this can reduce the cost of maintaining a data center.

The thing that struck us here is, how eco-friendly is this? The article mentions that this technology is fairly mature and is already used in several places. With that in mind, isn’t this just another way to raise the temperature of the oceans, or does the environmental savings of not using electricity or gas to produce the cooling offset this?

[Thanks Vesanies]

New Wii Drive Hardware Emulation

September 22, 2009 by Mike Szczys 45 Comments

wii_drive_emulation

The Wii-Optical-Drive-Emulator (WODE) makes it possible to load Wii and GameCube ISO files from an SD card or USB storage device. This hack uses the ribbon cable for the optical drive to connect to the Wii, requiring no soldering. The WODE is based on an ARM9 processor, runs Linux, and features a backlit LCD screen and 4-way center click joystick. Storage can be hot plugged and then an ISO selected using the stick and LCD display. Selected ISO files appear in the game channel as if an original disc had just been inserted into the drive.

The developers claim that a Wii firmware upgrade will not be able to lock out the WODE. There is also a second ribbon-cable connector to use as a pass-through, giving the option to keep the optical drive hooked up if you so desire. Now the race is on for a replacement case that can house all of this new hardware and still look nice like the original. We wouldn’t be surprised to see a homebrew channel program that allows ISO selection without having to walk over to the console.

The original report (in dutch) is a dead link so here’s the Google cache copy translated. These links came via the translated Tweakers article (here’s the original Dutch). Video after the break. Don’t pirate video games!

[Thanks Roy]

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Toilet And Figlet

September 21, 2009 by Mike Szczys 18 Comments

toilet_and_figlet

We thought [Kristofer’s] Tech Tip about using figlet with scripts was kind of fun. It’s a throwback to the days of logging onto a BBS and being greeted by a vertically scrolling ASCII art image that had been meticulously hand crafted (although a lot of the coolest stuff was actually ANSI art). No hand crafting here, just feed (or pipe) your text to figlet and it outputs the message in ASCII style letters.

When we went to try install this in Ubuntu, the toilet package was suggested. This one’s worth checking out too. It works in much the same way as figlet but uses extended characters and has a lot more color and font settings:

hackaday_toilet

Give these packages a try and make character art cool again!

BlokClok – Abstract Time Display

September 21, 2009 by Mike Szczys 13 Comments

Clocks made from blinking LEDs always make for fun projects. [Earthshine] built a clock that displays time abstractly using an 8×8 RGB LED matrix. The video embedded after the break illustrates how to read the time but here’s the gist of it: One LED is illuminated in the outside box of LEDs and moved in a clockwise motion to approximate seconds. Inside of this, there are four quadrants; upper left indicates hour-tens digit, upper right hour-ones, lower left minute-tens, and lower right minute-ones. This certainly makes for an interesting conversation piece!

There is no schematic and no code available but it’s really the concept that we’re interested in. If you must know, [Earthshine] bases this build around an Arduino. A DS1307 real time clock keeps the time, while four 74HC595 shift registers are utilized to control the three LED colors and the multiplexing.

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MP3 Hand Grenade

September 21, 2009 by Mike Szczys 30 Comments

hand_grenade_mp3

One man’s useless machine is another man’s treasure… or something. [Matt] shared a link to his MP3 gr3nade in the comments of our useless machines post. The project took a decomissioned hand grenade and shoehorned an MP3 player into it. His decision to locate the headphone jack where the safety pin goes is a nice touch.

This reminds us of the boss from a previous job who had a chrome plated hand grenade on his desk. Now that was a useless object (and a useless boss). This project actually does something, but are you really going to ride around on the subway rockin’ out to the Bee Gees while holding a hand grenade?

Wacom Light Graffiti

September 20, 2009 by Mike Szczys 17 Comments

wacom_light_graffiti

[Jon] wanted to have some fun with the Graffiti Research Lab’s LASER Tag. Unfortunately his computer wasn’t quite up for the challenge of detecting the laser pointer with a webcam. Not to be discouraged by this hardware limitation, he purchased a used Wacom tablet and threw together some code to make it work with the GRL display software. Now designs can be scrawled on the pad and the projector displays them with the familiar dripping paint effect. Continue reading “Wacom Light Graffiti” →