Re: TI-H: big music project

Re: TI-H: big music project

• To: ti-hardware@lists.ticalc.org
• Subject: Re: TI-H: big music project
• From: Grant Stockly <gussie@alaska.net>
• Date: Sun, 15 Nov 1998 15:33:46 -0900
• Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
• In-Reply-To: <fc.000f62d100134439000f62d100134439.1355b8@pinecrest.edu>
• Reply-To: ti-hardware@lists.ticalc.org

>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:

Opps...  I just replied on info for a midi trombone.  :)

>1) what kind of metal wiring is it that contracts when a current is passed
>through it?

Muscle wires.

>1a) does it contract to different legths when different voltages are
>applied?

its not on a linear scale, but yes.

>1b) how long does this contraction take? is it an instantaneous thing or
>does it take a second or two?

I think its pretty quick.  The wire is real expensive.

>2) what kind of chip could i use to control the voltages applied to said
>wire?

Rehostat connected to a servo.  :)

• TI-H: big music project
• From: fuzz@pinecrest.edu (David Norelid)

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