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LIDAR
LIDAROver the weekend the LIDAR arrived for the Robotics Club. For those who don't know, LIDAR rotates while shooting out lasers, then using some electronic awesomeness (has to do with mirrors and comparing beams) it calculates the distance from the robot to each wall/object. This will be used for the SLAM or mapping and navigation of the quadrotor. Since a few other people and I are working on SLAM, there is much more of a push to getting the SLAM working on an iRobot create. Right now I'm trying to install and try out some libraries, but there are some problems that I have to look into.I've been doing much more biking lately and I finally set up a workout schedule which is M,F and maybe Sunday or Saturday. I wish I had a better camera (than a cellphone) because there are some amazing trails and routes. That's the nice thing about Corvallis, city to fields/forest in only a few miles.I also have a couple midterms this week. My classes are going pretty well, I'm learning Java in CS 161 which is a pretty easy language (just like all the others). Though it is nice to have a more-formal instruction, I'm learning more about the specifics of programming and some nice tricks.1/27/2010Fun0
Holiday recap
Holiday recapSo... The holidays are over (1 week ago). I knew it would go fast, and it did. Anyway, I may have done a lot of stuff over the break but I didn't really get started on everything I wanted to.First, over break my family and I watched a ton of movies. We saw Julie and Julia, which is a great movie and really gives an insight into the past of Julia Child. I also saw Sherlock Homes. It was a pretty good movie, though a bit unrealistic, but I enjoyed the movie's style and the characters. There were also various other movies that I watched but the list is very long (I need to get back into movie reviews on here).I also worked on transferring LPs (vinyl records) to iTunes. Basically I just had an adapter which connected to the record player to my computer. I recorded each side using SoundBooth (could also use Audacity), then I split it up into songs and named them. Throughout this process I realized that I should really record the songs at a lower volume and then increase the volume in SoundBooth. The audio turned out okay, there are some clicks and rumbles though.During break my some friends of mine had a movie night and gave each other secret santa (armadillo) gifts. I made my "armadillo" a potter puppet pal. I chose Harry Potter, because he is the most known, after Dumbledore of course. I looked for pictures of the puppets as well as guides to making them. I found one guide that pointed me in the right direction. Using photos I found I approximated the measurements of the puppet (using a human face as a reference) and made plans. When I actually went to the fabric store I was the only (single) guy there. The robe and hair was made with black felt. Then skin and face was made with flesh-tone polyester. The arms and face were stuffed, and the details were painted onto the face. The entire puppet was glued to a small plastic water bottle which served as the holder for the wooden dowel in the center and provided more structure.So, now I'm back at college, with new classes and more homework. I'm still working on the SLAM--it is a very complex subject. My sister also got me some Reese's, which are the largest (the company sells). Each is huge and it is filling just to take a few bites.1/10/2010Fun2
Finals Done! Holiday Break!
Finals Done! Holiday Break!This will be a long entry, due to everything that has happened. So, finals week is over! (7+ days later) It went pretty well, there were some that I thought I did so-so on but everything worked out. I did better than I thought on the ECE 111 exam, I did really well in the Vector Calc exam (I guess the hours of studying and doing review problems paid off), though I thought I did better in Discrete Math. It's kind of interesting how in high school, I would be just hoping for a 90% or above but now I hope for at least a 94% since GPAs are calculated differently. Finals week was very cold (11F lowest), but cold weather is kind of nice sometimes.Well, now that winter break has started I'm trying to get started on projects I want to do. The first is to write some pseudo-code for the SLAM for the robot. First I'm trying to understand the all the concepts in work for SLAM. Probably once we have a working SLAM implementation we will branch out and work on adding other parameters to see what works best. Another thing I want to do is to work on a new game I'm going to start, which is a music based parkor game. I've been procrastinating on it so far because of the animating I have to do (which I feel slows me down). I will also be working in Flash CS4 instead of FlashDevelop, which is very hard since programming in Flash CS4 sucks; FlashDevelop is dream. I'm also going to work on converting some LPs to digital using either SoundBooth or Audacity.I also got some new Headphones! I got the Sennheiser HD 201s, which are very nice. It is interesting getting used to them because they are much different from the iPod earbuds, and the sound is supposed to be great. The insulation is okay, but not great, though they are very comfortable. I also made a new iPod case out of plastic bags using this tutorial, which I previously used to make a messenger bag. I made the case a bit big but the design is great.12/19/2009News3
Thanksgiving Update
Thanksgiving UpdateSo, it's been a while since an update. I've had some midterms which went pretty well. Next week is dead week, and then finals. Unfortunately I have all my 3 final on a single day.Thanksgiving, went well; it was nice to have a break from the regular day-to-day ritual. I'm getting back into running, but I still have a long way to go. Before the break, I started getting into Tetris, and I thought it would be cool to try my hand at creating my own version. So over break I work on my own Tetris game, which runs in Flash. It works fairly well, it seems like most of the work went into performance, such as rotating the pieces the correct way. There are numerous tweaks to be made still but I think I might move on. I also implemented some AI to give "hints" on where to place pieces. The next game I plan on developing is a music-based running/avoider game.Clubs are going well, we're progressing in Robotics and starting on the software development for the flight controller and motor controller.11/30/2009News1
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Tetris
TetrisThis is my attempt of replicating the game: Tetris. I've always wanted to know how it worked or try to replicate it. It seems that while it seems simple, most of the work goes into performance. My version is completely based upon arrays and array transformations. I was eventually thinking of making an AI to go with the game, but there are other things that need to be added/changed.NEW FEATURE: the red "ghost" is a hint where to put the pieceInstructions:LEFT/RIGHT: move piece left/rightDOWN: move the piece down fasterUP: rotate the pieceSPACE: drop the piece all the way to the bottom (or where if first hits)SHIFT: hold a piece11/27/2009Game2
Bike trouble and midterms
Bike trouble and midtermsSo these last several days have been really weird in terms of biking. Last week during a huge downpour my tire went flat and I had to walk it back to the dorms. I took it to the bike shop the same day and found it was just a puncture so I patched it up. Then a few days later one of my brand new pedals broke, it just shattered. So I took it back to the bike shop yesterday and they gave me a new one (Corvallis Cyclery)!Last week was a bit difficult because I got sick right before a vector calculus midterm, but I was able to push through it. Next week I have 3 tests though. Hopefully after I get over this cold I'll start running more, maybe 30-60 minutes. I also want to continue on projects for the Robotics Club which include the mapping (SLAM) and the line-following robot.11/2/2009News0
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Artisan
ArtisanSupport page for Artisan10/3/2009Support0
Biking and more
Biking and moreRecently I've been trying to get back on my biking/running/workout schedule. Today I did about 6-7 miles to Bald Hill Park, near Corvallis. I was thinking of maybe doing more mountain biking, but the fenders I have on my bike are more for roads. I'll just have to see what happens... But nothing so far has beaten the ~35 mile ride I did to Portland riverfront.Other than that, last week I submitted Artisan to the iPhone app store, so it should be out next week. It will cost $0.99, because of all the features, though I might come out with a lite version. I also have another idea for a pretty good game, but I'll have to see when I get time next.A lot has been happening; homework, club meetings and other stuff. I've attended two clubs so far (non-athletic) Robotics club and Sustainable Energy Initiative. I also am going to work more on a project that I am working on for a SchoolHouse Supplies.10/11/2009News0
Riddle Program
Riddle ProgramI heard this ridden a couple days ago:There is a 5x5 grid of squares. How can you place 5 dogs and 3 cats so that the 5 dogs don't run into a cat vertically, horizontally and diagonally?So, I made a program in flash that would just try random combinations. Dogs represent the hollow circles, their paths include the black circles. Empty squares are for cats.The next step would have been to create an algorithm.10/12/2009Flash0
To Q or not to Q
To Q or not to QIf there's one thing I've noticed while in my short time in college is the importance of Q'ing. This is especially when there is free food/stuff. The picture to the right shows a recent line I was in to get free Dutch Bros coffee, chai or any other drink that you wanted. It started at 6:00pm and I got there with a friend at 6:15. The line went about 4 stores down, and after 15 minutes of waiting we decided it was time to leave. Lesson learned, get to a free food/major event 30 or so minutes early.I've been doing more biking, and now that it's raining it's even better. I'm working on my track stand at stop signs and lights. I'm getting better, but I still have more to go. Skidding is pretty fun now that it's raining. Just have to make sure to control the skid and not run into anything.I attended another club meeting, this time for IEEE. There was a cool competition that MIT created called Battlecode. This is basically a competition to program the best AI's for the robots so that you win the match.10/14/2009Fun0
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Comments

Very nice...
By: Sawfish
2 weeks ago...Harry Potter
By: Jonathan
3 weeks ago...YEAAHHH BOI
By:
1 mths. ago...Yeah
By: Sawfish
1 mths. ago...YEAH!
By: MonkeyButt
1 mths. ago...ash
By: ash
2 mths. ago...
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