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I have written a short article on a new AI robot OS that I would like to build. My original goal was to gather a large group of individuals to brainstorm how such a software suite could be designed to fit the goals of hobby roboticists in an easy to use system. However, not a lot of interest was shown. (Except for the forum spammers, and they're hardly intellegent.) You can still read the article at the main site, if you have any comments send me an email! http://www.projectborg.net/ 
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Watch a youtube video of my first cut on my finished CNC milling machine. The part is a stanchion for my second CNC machine which will be much larger as it will be used to shape kiteboards. Full article on this Machine
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The original XBOX is a great platform for hacking. In fact, there is a large underground community of Xbox hackers on the Internet. Using the Xecuter3 mod chip and some heavy rewiring I showcase an Xbox that is modified for a 12volt system for car use. No 120volt inversion is used, the original power supply is replaced with a direct 12v DC-DC converter. A new 80GB laptop hard drive provides lots of space for mp3s and game play with much less power consumption. The modified Xbox runs Xbox Media Center, an open-source media player for music, videos and pictures that displays on the car's roof mounted LCD display.
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In this first chapter we learn the very basics of a CPU's core logic. We include basic Function Unit logic such as logical operators and math functions. To keep our first chapter simple, branching is not yet implemented so our programs are strictly linear and cannot include loop constructs. Also, the program code is included directly in the CPU source file.
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My CNC Mill is finally completed after about 9 months of obsessive effort. I have already milled a few parts for a second CNC machine, a plastic doggy bone and a few PCBs have been drilled and routed. The plastic doggy bone was only 1 x 1/3 inches but the detail was fantastic!
The accuracy exceeds the measurability of my digital caliper (1/2mil resolution) so I am quite impressed with the results! So far, I am limiting my materials to plastic, machinable wax and Butterboard(tm) but will cut some aluminum shortly. I have included some details on the construction with a few pictures. |
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Thru-hole plating DIY Printed Circuit Boards
I figured out a way (after hearing some rumors it was possible) to through plate vias and thru holes using a liquid from a "car defroster repair kit" sold by permatex.com. I found it at Advanced Auto Parts for the cost of about 10$ US. I haven't perfected the technique quite yet, this is a blog of my on-going progress. |
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An example of a front panel interface for a digital audio recorder using a Xilinx XC9572XL CPLD interfaced with an Atmel AVR32AP7001 with the NGW100 Eval Kit. The CPLD provides "time multiplexed" sequencing for a 6 digit 7-segment LED display, 8 status LEDs, and detects input from 7 key switches generating a CPU interrupt on a key press or release. The CPLD interfaces with the AVR32AP using a simple 4-bit multiplexed bus. This provides a good example of designing a front panel interface that relieves the duty from the host CPU -- no polling!
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6 legged symmetrical walking robot
Symapod is a hexapod (six-legged) walking robot. Symapod is short for symmetric-hexapod. This is my second robotic walker and this one will be gra nd, I decided this time I would also build it on good looks! The body of Symapod: I used the circuit board as the body for weight saving and futuristic looks. The PCB appears to be quite strong but I may add a brass frame if neccessary. |
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