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cardboard music through mechanic oscillation ? Answered

hi everyone,

i'm planning to build a big cardboard instrument.
if you look at the attached .png you will find a very simple drawing of what i have in mind.

i have some experience in programming dc motors with an arduino, but im not that well learned in physically building things.

the motor should be fairly strong, the cardboard size will range from 2 meters to half a meter.

any tips in the right direction are welcome!

greetings,
Rogier

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rjupijnKiteman

Reply 5 years ago

Those project use the frequency to actually create a tone. That's not my goal (my post might be a bit misguiding, my bad). I want to make the wobbly noise you get when you wobble them, and create a small orchestra of those machines.

Thanks for the tip though!

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Kitemanrjupijn

Reply 5 years ago

Ohhh...!

Actually, that solution might work if you play deep notes into the boards.

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mpilchfamily

5 years ago

So basically you want to make an obscure speaker!?

Don't know what kind of music you expect to produce by shaking a piece of cardboard around. You'll make a lot of noise that's for sure. If you try to translate a tune into the spinning of the motor it will only make a lot of noise. Not to say you can't produce a tune through the motor. People do it all the time with stepper motors. Especially those inside of 3.5" floppy drives.

So what are your expectation from this project?

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rjupijnmpilchfamily

Reply 5 years ago

Yes! Although I don't intend to play regular music! It will create its own sound, a nice and deep wobble when you hit the right frequency. I'm planning to build a small army of these, all holding plates of different sizes, to create a nice and rich acoustic harmony.

I found this post on a forum which might be handy for me:
http://forum.arduino.cc/index.php?topic=74083.0

@kiteman
thanks man, i'll check them out!