Small CNC gadget draws what it hears

This art piece makes drawings based on sound. [Mario Marchese], who is responsible for those illusion props back in february, built this little guy out of a bunch of junk he had lying around. It features four microphones that listen to ambient sound and feed the signal through some LM386 audio power amplifiers. The output is translated into forward, backward, left, and right movements of the writing platform while the pen is fixed in the same position. Despite what we said in the title of the post this isn’t strictly a CNC machine, but more the primordial cousin of one.

Comments

  1. svofski says:

    Reminds me of…

  2. MrX says:

    The bird’s sound is really funny.

  3. Mario Marchese says:

    Thanks Guys! Mozart the bird is crazy. He never stops singing.
    Thank you Hack A Day for publishing this today. It made my whole Sunday!!! You guys are awesome :)

  4. biozz says:

    wow … what were you on when you thought of this? XD … ill take 3 XD

  5. Jubby says:

    And the pictures of the finished output? WHAT DID THE BIRD MAKE THE ROBOT DO THIS TIME?

  6. draeath says:

    I think the best way to describe this is a “vectorscope plotter”

    ( http://en.wikipedia.org/wiki/Vectorscope )

  7. onlinepharmacy says:

    “A brilliant conflation of acoustic-to-graphic analog events, in a perfunctorily executed mechanism.”

    was that a serious comment?

    artists…

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