Changes between Version 6 and Version 7 of super-directional-speaker


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Timestamp:
Apr 14, 2015 5:20:25 PM (4 years ago)
Author:
rumi
Comment:

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  • super-directional-speaker

    v6 v7  
    77Super directional ultrasonic speaker sends the sound only straight out, meaning you can hear the audio only if you are right in front of the speaker. To feel this effect clearly, I made the remote controlled base so that the speaker can face different directions.[[BR]]
    88
    9 [[Image(s-SDspeaker)]]
     9[[Image(s-SDspeaker.jpg)]]
    1010
    1111筐体はSDプリンタで出力しました。使用したフィラメント素材はABSです。