Bob's blog

AVR Tiny13 Voltmeter/Ammeter

I'm currently enrolled in a materials fabrication course where our final project is to build an enclosure for a power supply. The schematic and design of the power supply are provided by the instructor. These things use big stupid 0-15v analog gauges. I thought I could design a better interface using a microcontroller and an HD44780 LCD, so here it is. Special thanks to Micah Carrick for the lcd library and Cory Meyer for general advice. The most difficult part of this project was squeezing it all into the 1024 bytes available on the tiny13 microcontroller.

smart smart!

Sacramento Kings and Intel Engineering Challenge
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I just found this competition on kings.com and wanted to sign up.. so I click the link and it brings me to the completed projects that I can vote on... so I watch some of the videos. simply amazing.

I must say I love the images from Galt HS.
Some bullshit about e=mc^2+4a and other scattered nonsense..

check out the video to see how the project turned out.
http://www.nba.com/kings/promotions/Intel_Engineering_Challenge.html

Howto: Encode video files with mencoder

Can you believe how hard it is to find a quick cheat sheet for using mencoder (included with mplayer) to encode various video formats?

A review of Sabayon Linux 3.1

This Gentoo-based distro is going to be one to watch. Rock-solid stability and endless flexibility, all wrapped into a 3.3GB LiveDVD environment packed to the brim with the latest builds of the latest software. So then, what makes Sabayon Linux so special? I'm glad you asked.

The strength of this OS comes not only from the abundance of current software available, but also from its roots in Gentoo Linux, which has long been known for its adaptability and pure speed. Gentoo's portage houses thousands (tens of thousands?) of programs which can be installed, via source, using every setting specified in make.conf, using build options depending on my USE flags. Dependencies are all resolved automatically by emerge (best thing since sliced bread). Boot scripts are easily modified with rc-update (so far my favorite runlevel modification tool). System updates (Sabayon follows the ~arch branch) can be made as easily as 'emerge –sync && emerge -uvDNa world' followed by 'etc-update' which will keep my install up to date with the latest security patches, bug fixes, and killer new features. There are hundreds of Gentoo reviews online and anything more in-depth goes beyond the scope of this article. Sabayon provides a very capable "livecd" environment with tons of the newest software all pre-installed to accomplish work fast. If work isn't your thing you can always kick back and play a little Cold War, or Quake 4 as both

How-to: Clone a hard drive using only free software

Cloning a hard drive is almost always the fastest and easiest way to migrate from one disk to another. There are several great programs out there that will do just that, the only problem is they're not free. Norton Ghost, Acronis MigrateEasy, and Partition Magic all have the required functionality to do this, but so does any bootable linux or *BSD distribution. Follow these easy steps and you'll be up and running in no time and still have a little cash left in your pocket.

Step One: Initial Configuration

Review: Sabayon Linux v3.1

This Gentoo-based distro is going to be one to watch. Rock-solid stability and endless flexibility, all wrapped into a 3.3GB LiveDVD environment packed to the brim with the latest builds of the latest software. So then, what makes Sabayon Linux so special? I'm glad you asked.

The strength of this OS comes not only from the abundance of current software available, but also from its roots in Gentoo Linux, which has long been known for its adaptability and pure speed. Gentoo's portage houses thousands (tens of thousands?) of programs which can be installed, via source, using every setting specified in make.conf, using build options depending on my USE flags. Dependencies are all resolved automatically by emerge (best thing since sliced bread). Boot scripts are easily modified with rc-update (so far my favorite runlevel modification tool). System updates (Sabayon follows the ~arch branch) can be made as easily as 'emerge –sync && emerge -uvDNa world' followed by 'etc-update' which will keep my install up to date with the latest security patches, bug fixes, and killer new features. There are hundreds of Gentoo reviews online and anything more in-depth goes beyond the scope of this article. Sabayon provides a very capable "livecd" environment with tons of the newest software all pre-installed to accomplish work fast. If work isn't your thing you can always kick back and play a little Cold War, or Quake 4 as both

fucking cal-o pussies dude

team "Somehow in Cal" has failed to actually be in cal thus far, tallying up three forfeit losses and one forfeit win. fuck them.

another forfeit

These fools forfeited this week. fuck them,they would have gotten owned... looking forward to kicking ass next week

Ubuntu Dapper n60 bug

If anyone here is using a pentuim-4 powered laptop that doesn't throttle the CPU down below 2.0Ghz you should take a look at this: its called the n60 bug and I've written a little page describing how to get around it. To the best of my knowledge this is only a Ubuntu bug. I have compiled a 2.6.15 kernel with the vanilla p4_clockmod.c file which is available for download from the following website: 8cylinder.org

Laptop 3D Performance

I have been playing around with a bunch of different things trying to improve the 3D performance of the Radeon 7500 mobile in this laptop. I've seen glxgears scores up in the 1000 range, and even saw one guy scoring 1400+...

I am getting a mere 220fps right now so I figured I'd document my journey to better fps. In the past I have seen big gains by enabling SBA and FastWrites, but this was on desktop Nvidia cards (a 6600gt and 6800)... This mobile 7500 probably won'ttake to overclocking very well (and I'm not going to overclock it to wring another 30fps out) so I'll have to focus on driver compatibility and tweaking. BTW, my A643200+@2.5ghz/1gb pc4000/gf6800@450/850 yields about 12000fps, and my Semp2800@2.0ghz/1gb pb4000/gf6600gt@536/974 averages around 7000fps. When I started they were 8000fps and 5000fps respectively.

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