DIY drum pad/controllers

[patchell]

     Paul--

        This sounds like a great idea.     I am not familiar with the term
"perspex".  Could you go into a little detail as to what this material is?   I
am assuming it is perhaps some sort of acrylic?

    -Jim

Paul Maddox wrote:

> JC,
>
> >
> >...wondring if there's any plans on the net for building piezo based drum
> >pads to control level sensitive midi/sampler inputs ...
> >
>
> I was thinking of makeing some "tubular bells" with clear perspex
> (illuminated from the top) with a XTAL earpeice as the pickup.
>
> When you strike it two things happen;
>
> 1) the xtal generates a signal, amplify/fullwaverectify and bingo one
> trigger that is velocity sensative (harder you hit it, the bigger the CV),
> all you need is a S&H to sample the CV whe its above a certain level and
> hold it until the next time.
> 2) This is my daft extra, the perspex is lit by a bulb, that gets bright
> then fades as you you hit it... eat your heart out JMJ!!!
>
> Paul full of stupid ideas
>
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