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    Thread: Wii Remote Measurements

    1. Member One-EightT's Avatar
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      07-31-2007 10:45 AM #76
      Quote, originally posted by dzlnitro »
      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://**********************/smile/emthup.gif[/IMG]

      if you look closely at the graph, it shows that the M3 either took off slow or spun badly, those cars are easily capable of low 5 second 0-60's, just look at the 0-100 in ~11-12 seconds, much faster than a 6.7 0-60 [IMG]http://**********************/smile/emthup.gif[/IMG] ......OP: really nice work, pretty crazy
      Past: MKIII Jetta, MKIV GTI 1.8T, B7 Audi A4 TQM6 (13.9x @ 97, 1.79 60'), 1997 Volvo 850, 2002 Saab 9-5 AERO (15.05 @ 93)
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    2. Member E CODE's Avatar
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      07-31-2007 10:54 AM #77
      A guy on my local auto forum posted this up too...
      You are gonna be famous!!
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    3. 07-31-2007 12:14 PM #78
      all i have to say is wow and good work

    4. 07-31-2007 12:56 PM #79
      Congrats on being farked
      I like to ride my bicycle....

      99.5 2.0 GTI - I hate it, but its paid off and has heated seats.

    5. Member GoClick's Avatar
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      07-31-2007 12:57 PM #80
      Now go get a bluetooth GPS reciever and plot the data against a map and you can make maps as you drive around as to where to avoid slow spots and where you need to change lanes I bet you could use it to cut time off your commute. Oh look I always have to break just before those lights, but days I was in the left lane I didn't have to. Bingo. Then you can avoid stuff. You could even have the laptop warn you about potholes

    6. 07-31-2007 04:55 PM #81
      ooh, engadget picked up on the thread now too
      http://www.engadget.com/2007/0...meter/

    7. Member the.good.gli's Avatar
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      07-31-2007 05:00 PM #82
      i can do all that stuff with my avic-d3
      4900 posts as ea187 got me banned
      member since 4-23-2004

    8. Member dremhmrk2's Avatar
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      07-31-2007 05:01 PM #83
      too bad the poster didnt come up with this idea, also too bad the wiimote is reliable unreliable as far as actualy measuring acceleration. The error margin is something like 40%
      thanks for the repost from engadget, fark.com, hackaday, and all the other sites that posted this a few days back.
      EDIT: after seeing you infact wrote the orignal article, I retract my stupid statement. Good work!!


      Modified by dremhmrk2 at 5:05 PM 7-31-2007
      "Turning right in fifth gear from the left hand lane into the wrong end of a one-way street while indicating left, if at all."
      All the custom, none of the cool.
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    9. 07-31-2007 07:32 PM #84

    10. 08-01-2007 04:19 AM #85
      Quote, originally posted by dremhmrk2 »
      too bad the poster didnt come up with this idea

      This isn't a new idea I've been doing it since march, and I expect I wasn't the first either...
      The real credit should go to the guys at wiili for reverse engineering the wii-mote...
      Phooey.



      Modified by phooey at 1:23 AM 8-1-2007

    11. 08-01-2007 08:31 AM #86
      nice!

    12. 08-01-2007 10:15 AM #87
      Quote, originally posted by Emron »
      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."
      -Emron

      I've only read page one, and sarw this mans post. I concur. Plus, if it was me this work would have likely been done at work
      C'mon people. Do you think I sit at me desk all day reading BES logs?

    13. 08-01-2007 10:34 AM #88
      notice the bmw was spinning?

    14. Member GoClick's Avatar
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      08-01-2007 11:42 AM #89
      Wow ±0.2g on a 1g meter is TERRIBLE. I didn't figure the Wiimote would be that bad. What does that chip cost like $0.30? That means your data is like a MkII randomly changing mass by 800lbs
      Analog Devices' $5.45 ADXL330 (3 axis accelerometer) is accurate to ±0.05g that's A LOT better. But I realize it's just a game controller this was still a very cool project.
      At that price I'd be inclined to get 5 of them and a Coridium Corp ARMmite and have it knock off the high and low and average the remaining $70.15 for parts is nothing



      Modified by GoClick at 10:16 AM 8-1-2007

    15. Member cosmicgreenGTI's Avatar
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      08-01-2007 12:20 PM #90
      OK Im next to try this.... good to meet you today Klee.... lets go!

    16. 08-01-2007 01:44 PM #91
      Quote, originally posted by GoClick »
      Wow ±0.2g on a 1g meter is TERRIBLE. I didn't figure the Wiimote would be that bad. What does that chip cost like $0.30? That means your data is like a MkII randomly changing mass by 800lbs
      Analog Devices' $5.45 ADXL330 (3 axis accelerometer) is accurate to ±0.05g that's A LOT better. But I realize it's just a game controller this was still a very cool project.

      The Wii-mote is based on the ADXL330 chip, but I thought the chip had a better accuracy than 0.05g, it depends on the supply voltage, and the sample rate. I don't know the voltage the wii uses for the chip, but it's 100Hz sample rate is well below the chips max spec.
      Also the wii-mote is +-3g (6g range) not 1. You can get 10 bits X axis data and 9 bits of Y axis data, which by my calculations mean an accuracy of:
      X axis: 6/1024 = 0.0059g
      Y axis: 6/512 = 0.012g
      However I don't know the accuracy of the A/D so its probably not quite that good.
      Cheers,
      Phooey.

    17. Member ladiexmack's Avatar
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      08-01-2007 01:57 PM #92
      Nicely done! Haven't seen you around lately... Hope all is well!

    18. Member scanlory's Avatar
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      08-01-2007 03:33 PM #93
      Awesome.

    19. Member snkbyt427's Avatar
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      08-01-2007 04:09 PM #94
      that is pretty clever. [IMG]http://**********************/smile/emthup.gif[/IMG]
      i just use this:

    20. 08-02-2007 02:49 AM #95
      Great use of a Wiimote! Now I have another reason to go buy one (just a Wiimote, have no need for a Wii).
      If you could capture rpm over time, you could match that up with the acceleration data and weight of your car to plot your HP curve. Fun stuff to ponder.

    21. 08-02-2007 03:52 PM #96
      awsome job figuring all this out. Too bad it's all been deleted! Hopefully you or someone can get the excel file put up somewhere.

    22. 08-02-2007 04:11 PM #97
      yeah, ucsc killed my account. 5 years now after i graduated.
      anybody willing to host?

    23. 08-02-2007 04:39 PM #98
      very creative....you are like a modern day macguyver
      Brandon A.
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    24. 08-02-2007 05:06 PM #99
      i wonder if you could use google docks to host it...

    25. Member cactu4r's Avatar
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      08-03-2007 10:42 AM #100
      you sir, are awesome. im totally trying this when i get home...
      our lady of blessed acceleration, don't fail me now!!!
      http://facebook.com/aaron.hoeft
      2008 VW Jetta S 2.5L - Wilhelmina
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