Re: TI-H: big music project
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Re: TI-H: big music project
Post this in news://comp.robotics.misc/
They talk about everything you've asked here. You may also want to go
to deja news and see if these things have been discussed before(which
they have).
-Adam
David Norelid wrote:
>
> I am working on a project that i need your help on. i am making a
> machine/robot that will play brass musical instruments. the first machine
> that i plan on building is a trombone machine. the way it works is that
> you place the trombone in some clasps in the machine and you either plug
> it into a midi keyboard or your computer, or possibly even midis on a disk
> drive and it will play the music. anyways, i need to know a bunch of
> things:
>
> 1) what kind of metal wiring is it that contracts when a current is passed
> through it?
> 1a) does it contract to different legths when different voltages are
> applied?
> 1b) how long does this contraction take? is it an instantaneous thing or
> does it take a second or two?
>
> 2) what kind of chip could i use to control the voltages applied to said
> wire?
> 2a) could i just send a byte to it, that byte being the value of the
> voltage to be applied?
>
> 3) I want to control a sereis of electromagnets, how would i go about
> activating the different magnets?
> 3a) I just need something to complete a 60v circuit to the electromagnet,
> is this possible?
> 3b) I would just tell it to activate magnet 11 and then it would complete
> the circuit for magnet 11
>
> 4) how would i go about pitch recognition?
> 4a) can an avr be programmed to do this?
>
> 5) i need info on controlling motors with avr, where would i find this?
>
> thanks for any help.
>
> FUZZ
> I Don't See Why Not
> -------------------
> listen.to/yankovic
> ICQ: 3512251
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