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    Thread: Wii Remote Measurements

    1. 07-28-2007 03:03 PM #1
      [Update:] Thanks Lidberg for hosting!!
      I got this idea after seeing some physics class use the wiimote in some kinda pendulum experiment.
      Why not use the wiimote's built in 3-axis accelerometers to measue g-forces, acceleration and even calculate my own 0-60mph times!
      So I did. I wrote a script to dump all the g-force readings from the wiimote to a comma separated value file, then did some post processing in MS Excel, and voila, I can see every bump, every curve, my acceleration and braking, and even calculated my current speed using high school physics (v=a*t)
      I even convinced my coworker to take me out in his E46 M3 to measure his SMG's performance
      I admit, it's not super accurate since the wiimote spits out G readings rounded to two decimal places. It also provides other acceleration readings in finer granularity, but I couldn't figure out what metric it was recording in. I used Gs since I knew it was just the acceleration of gravity (9.8 m/s/s).
      Here's a copy of the script that dumps everything out to output.txt
      All you need is Glovepie v0.29, a Bluetooth dongle with BlueSoleil, the Human Interface Device drivers, and a standalone wii remote!
      All the basic instructions on how to get your wii remote connected to your PC can be found here:

      If anybody wants my excel spreadsheet with the formulas and graphs, you can find it here:
      //Glovepie v0.29 script
      //Writes motion data to file
      OutputToFile(RemoveUnits(var.t)+","+Wiimote.gx + ", " + Wiimote.gy + ", " + Wiimote.gz)
      debug = var.t+', '+wiimote.gx+', '+wiimote.gy+', '+wiimote.gz

      The Wiimote, nice n snug so it doesn't jostle around:

      My 2.Slow's 0-60 time. 13.5s baby!!

      My friend's E46 M3 SMG's 0-60 time

      General Accelerometer readings:
      When the blue line dips down, I'm making a left turn.
      When it jumps up, I'm making a right turn.
      When the Yellow line goes up, I'm accelerating.
      when it dips down, I'm braking.

      pic of my car for kicks:

      Modified by klee at 5:26 PM 7-28-2007

      Modified by klee at 4:32 PM 8-3-2007

      Modified by klee at 4:33 PM 8-3-2007

    2. Senior Member ClockworkChad's Avatar
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      Mar 21st, 2003
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      07-28-2007 03:05 PM #2
      i think you need to find local bar where you are comfortable to in your free time, or a girlfreind. maybe both. good work otherwise

    3. 07-28-2007 03:06 PM #3
      Wow, awesome job dude. All I need is a wii <_<

    4. 07-28-2007 03:08 PM #4
      That is F*****G awesome [IMG]http://*****************.com/smile/emthup.gif[/IMG] [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    5. 07-28-2007 03:09 PM #5
      That's very impressive!

    6. Member xLLOYDESSEUSx's Avatar
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      Carson, CA
      2002 Jetta (sold), 2011 A4 S-Line
      07-28-2007 03:12 PM #6
      that's pretty intersting stuff right there [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    7. Member SanDiegoR1Rider's Avatar
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      Bremerton, WA
      2004 VW Jetta 24V VRT
      07-28-2007 03:16 PM #7
      Im really impressed.
      Also, really disturbed.
      I feel pity for you and your lack of a social life.
      I do wish I had a Wii though.

    8. Member Malant's Avatar
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      07-28-2007 03:25 PM #8
      Thats pretty dope [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    9. Member TMH's Avatar
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      Oct 26th, 2005
      Bay Area, CA
      '04 VW Golf R32, '01 Mazda Miata LS, '14 Mazda 3i Touring
      07-28-2007 03:28 PM #9
      genius! you make me feel dumb
      Quote Originally Posted by Chris Stack View Post
      I often pass slow-moving Priuii on the right, my engine clubbing 9000 baby seals per minute while I do so.

    10. Banned They_Call_Me_Bob's Avatar
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      Mar 20th, 2006
      Washington DC
      07-28-2007 03:30 PM #10
      Badass, you should submit this to gizmodo.com, bet they will feature it on their blog.
      They love all the hacks people are coming up with for the Wii.
      Again, nice work.

    11. 07-28-2007 03:32 PM #11
      Wow you are fancy. Hats off to that work.

    12. Member dzlnitro's Avatar
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      Aug 31st, 2005
      LI, NY
      12'GLI, 99'323is
      07-28-2007 04:52 PM #12
      so am i reading correctly that a e46 m3 did 0-60 in about 7 seconds, that needs some fine tuning other than that, keep up the good work [IMG]http://*****************.com/smile/emthup.gif[/IMG]
      12' Jetta GLI Autobahn DSG Candy White - 99' 323is M-Sport 5spd Cosmos Schwarz Metallic

    13. Senior Member bluebora20v's Avatar
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      Jun 14th, 2001
      2000/VW/MK4 Jetta
      07-28-2007 04:57 PM #13
      Great job. Does the Wii remote have RAM or something that you can pull the data from or is it real time data acquisition?

    14. Member
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      May 1st, 2004
      brick nj
      2009 gti
      07-28-2007 04:58 PM #14
      damn...thats pretty slick. nintendo rules. they should make a nintendo edition vw.
      screw the dumb guitar. haha

    15. 07-28-2007 08:17 PM #15
      Quote, originally posted by bluebora20v &raquo;
      Great job. Does the Wii remote have RAM or something that you can pull the data from or is it real time data acquisition?

      yeah, it feeds the values to the PC in real time.
      it didn't take long and I figured there'd be someone else out there who might benefit from the work. besides, it was a great way to learn the graphing feature in Excel for work [IMG]http://*****************.com/smile/emthup.gif[/IMG]
      Oh, as for the M3, we didn't do a proper launch. The revs were pretty bogged down off the line on that run. My co-worker didn't look up the SMG launch controls until after we were done.

    16. 07-28-2007 08:20 PM #16
      Neat stuff

    17. 07-28-2007 08:23 PM #17
      Thats nuckin futs! I wish I knew how to do something like that!

    18. Member ericjohnston27's Avatar
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      a4 on unicorns and pillows
      07-28-2007 08:24 PM #18
      i have a wii, i use it to play video games... but you my friend, are what we call "smarty-pants"
      airbageric suspension installs

    19. 07-28-2007 09:38 PM #19
      man.... i gotta say.. u did some damn good work sir.. but wouldnt it be the same with a stop watch and a second person?? just wondering..

    20. Member cvillegti's Avatar
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      mk4 GTI (RIP), mk4 Golf (sold), mk5 Rabbit (sold), 03 S2000 (sold), mk5 GTI (dead), Fiesta ST (POS)
      07-28-2007 09:41 PM #20
      Quote, originally posted by SanDiegoR1Rider &raquo;
      Im really impressed.
      Also, really disturbed.
      I feel pity for you and your lack of a social life.
      I do wish I had a Wii though.

      you can play with my wii anytime
      no homo.

    21. Member Emron's Avatar
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      Mar 27th, 2007
      Miami, FL
      2004 GTI Swapped to R32
      07-28-2007 09:58 PM #21
      He got a bit more information out of it than a simple 0-60 time, so no, it wouldn't be the same with a stopwatch.
      Secondly, what's with everyone saying that he needs to get a social life and what not. I'm pretty sure I read every word he wrote, and I don't recall seeing anything that hints towards him not having an active social life. He took a class on physics and he applied some of the knowledge to a real-life situation. If you've read about the Wii, you'd have an idea of how it works. He put 2 and 2 together.
      I'm not talking down on his work, just saying that the dude doesn't have to be a total nerd to do what he has done.
      I guess I kind of formed a pet peeve regarding this type of slander because people tend to call me a nerd as a result of some of the things I say/do. The most annoying saying is, "Man, you must have a lot of free time."

    22. Member dashrendar's Avatar
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      07-28-2007 10:21 PM #22
      thats pretty cool. nerdy, but cool [IMG]http://*****************.com/smile/emthup.gif[/IMG] [IMG]http://*****************.com/smile/emthup.gif[/IMG]
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    23. Member Smoky_Llama's Avatar
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      07-28-2007 11:32 PM #23
      Frigging awesome, car looks good.
      Need Vag-Com in Eastern Nebraska and Western Iowa? Send me a PM.

      Current: 15' GTI Autobahn 6MT w/LP

      Previous: 12' Golf R, 12' GTI, 09' GTI, 02' Jetta TDI

    24. 07-29-2007 12:31 AM #24
      I've certainly spent more time in one night on the MKIV forum than it took me to get this done

    25. Member foundubbedriver's Avatar
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      Jan 10th, 2006
      eurotuner unicorn garbage.
      07-29-2007 01:42 AM #25
      @cermak_j or @muffskinz_bodywerks <-- (instagram). 🐣

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