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[kick52]

I was thinking about hooking up a few bends in my circuit bent computer to an audio signal to turn it into a visualizer, though I have no idea how I can do this without having to make a circuit. Could I just have the signal running straight into the bends, with a pot and trim pot? I'm not sure how I could do this with minimal risk of frying the RAM.

[Gordonjcp]

IIRC the Archimedes has a bunch of analogue and other I/O inputs on it.  If not, it's fairly easy to get hold of them.

I'd be inclined to write some trippy graphics software and control it with the ADC inputs.

[kick52]

I have it bent, and all connected etc, though I was wondering how to control the bends with sound. Graphics programs probably couldn't move as fast as the bends.

[Gordonjcp]

Graphics programs probably couldn't move as fast as the bends.

Read up on the graphics controller.  You can do some very very odd things to it by modifying the registers in software.

[kick52]

Probably, but I'm not a programmer and I don't fancy it anyway.
I tried hooking up my computer playing some music to it last night, but it didn't "react" to it very well..