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OCAU member [Bismar] was in the market for an e-book reader, but all of his commercial options were too expensive. He decided to build one himself, and what he came up with is the Tabeee MK1, an e-book reader made from a 7″ Eee PC, a touchscreen, and a custom case.
The project is far from completion, still in the midst of its first objective: building the case. [Bismar] cut an old Lian Li case for the aluminum base, then made sure the motherboard from the Eee fit properly. The next major step was bending and cutting an acrylic sheet to form the exterior of the case. He hit a few snags bending the sheet, but forum members offered some ideas on how to do this effectively. The project is still rolling along, and we’ll be sure to show you the Tabeee MK1 when it is finished.
Hidden behind the white face plates of this machine are racks of gears that make up a replica of one of the oldest known mechanical computers. This is a working model of the Antikythera mechanism made from Lego pieces. In the video, which you absolutely can’t miss after the break, The machine is disassembled into its various components. Each mechanical unit takes advantage of gear ratio combinations to perform numerous levels of mathematical functions in order to display the date and time that future celestial events will occur.
The background information on the original device reads like the script for a sequel to The Goonies. Believed to date back to 100-150 BC, the stone bronze mechanism was recovered from a shipwreck around the turn of the twentieth century. The use of x-ray analysis helped to unlock the functions and confirm the theories of its operation.
Part of what makes this so interesting is the historical connection. But the production quality of the video (which to be fair, seems to be an advertisement) really brings home how complicated this process is. Now it’s time for us to watch the video a few more times, sketching out the gearing to see that this works as they say it does.
Want more of the Antikythera mechanism? Check out the model built by [Tatyana van Vark].
[via Reddit]
Got a bit of a pest problem? [Chad] built a better squirrel/rabbit/thing trap using a soekris box, a laser pointer, serial controlled relay and a small motor. When the laser beam is broken, the Soekris activates the relay, pulling the door pins. Then it take a picture with a webcam and send him a page.
We’ve seen our fair share of home made arcade machines, some complex and some simple. This one stands head and shoulders above the rest with its ability to combine two of our deepest loves: beer and video games. There’s not a lot of information, just a few pictures. We’d love to see some build shots or action shots. We’d love to test it out actually.
Here’s an update: [Burke LaShell] is the maker of this fine project. You can see more pictures of it in this thread. Thanks, [Shawn].
[via Gizmodo]
OBD-II became the mandatory I/O diagnostic port on cars starting around 1996 in the US. Considering that the interface consists of a couple of I/O lines, serial/usb adapters have been ridiculously expensive for quite a while – especially newer USB versions. [Renan] sent in this PIC18F2450 OBD-II interface. The designer says he can provide boards for just over $6 and programmed PICs if there’s interest. The chip is a few dollars, and everything else is pretty cheap too. Need to work on your car? This thing will cost $15 or so. I think I just might have to burn out a board on my mill later.