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Thread: Playing Pong with your mind

                  
   
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    Won Hung Lo wraggster's Avatar
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    Default Playing Pong with your mind


    It seems [Charles Moyes] and [Mengxiang Jiang] won’t suffer from the sore wrists and thumbs from an Atari controller any longer. They built a version of Pong played by concentrating and relaxing while wearing an EEG headset.
    Right now, there’s only enough hardware for one player; when the player operating the red paddle concentrates the paddle moves up – relax, it goes down.
    The hardware portion of the build is fairly tricky business. [Chuck] and [Mengxiang] built a circuit to amplify the tiny voltages between their ears into something a microcontroller can read. The circuit is loosely based on this Arduino EEG build, but highly refined as the elegance of an ATMega644 requires.
    The EEG amplifier has a cutoff of under 50 Hz, perfect for reading the Alpha waves correlated with concentration. The oscillations from the skull-cap are sent through the ATMega to MATLAB where after a pass through an FFT the brain waves are converted to mouse scroll wheel output.
    There’s a demo video available where you can see spectators screaming at the poor test subject telling him to relax and concentrate on command. You can check that out after the break.

    http://hackaday.com/2012/05/01/playi...ith-your-mind/

  2. #2

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    Hey thanks for covering this on here wraggster! Pretty cool to see my stuff getting posted on DCemu long after my days of DS homebrew... Also feel free to check out the YouTube video we made:

    www.youtube.com/watch?v=uYQfdA2tXbc
    Last edited by TheChuckster; May 2nd, 2012 at 00:58.

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