[sdiy] Calculator Synth

[Dr Strangelove]

If the calculator has an infrared output, a guitar pickup would pick that up 
:-)

         -=<Jonathan Pratt>=-
       (Phdinfunk at hotmail.com)




>From: "Scott Deyo" <thom_s4 at hotmail.com>
>To: synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] Calculator Synth
>Date: Sun, 12 Aug 2001 22:40:35 -0500
>
>
>Well, those old TI calcs wouldn't be "pocket" calculators, they're too big!
>:)
>
>This probably isn't quite what you're looking for, but maybe: You can
>program the HP 28S to play music. So far I have mine playing stepped sine
>waves as various speeds, and in radian mode the same algorithm makes a
>strange near-patterned, near-random scalar thing happen. But it's not very
>easy to do, and there's no audio output, so you need to mic it or maybe 
>take
>it apart, which doesn't seem to be easy -- no screws :( I got the concept
>from an old Modern Electronics article. It's not in the manuals. Now, how
>can I make the Fibonacci sequence musical? :) It has an infrared output
>(ostensibly for a printer) which may be abstractly useful too.
>
>You could take the guts out of a bigger calc, and maybe convert the keys
>into keypad switches to trigger a synth or something. We nerds just have to
>make things difficult, huh?
>
>Good luck,
>Scott
>
>----Original Message Follows----
>From: Prototek <prototek at optonline.net>
>To: Synth_diy <synth-diy at dropmix.xs4all.nl>
>Subject: [sdiy] Calculator Synth
>Date: Sun, 12 Aug 2001 16:31:12 -0400
>
>    As you can probably tell by my signature phrase below, I'm a Kraftwerk
>fan. Their Computerworld album recently got me thinking about making a
>calculator that can trigger various "bleeps, bloops, etc..." by pressing
>down the right keys. Hell, maybe its even possible to put a SID 6581 in
>there? I know this whole concept sounds a little silly and far fetched, but
>I'm still curious about it.
>    What about the old TI calculators that could speak? Has anyone ever
>circuit bent those to produce interesting sounds?
>
>                            -Proto
>------
>"By pressing down a special key it plays a little melody."
>Kraftwerk, "Pocket Calculator"
>
>
>
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