[sdiy] Re: cute project

[Magus Ship]

Like this:



         0
         +
        / \
       /   \                    + = LED, 0 = CDS CELL, / = ~1 inch of panel
space
      /     \
     /       \
   0+         +0
     \       /
      \     /
       \   /
        \ /
         +
         0



----------
>From: harry <harrybissell at prodigy.net>
>To: Gavin Russom <elmystico at earthlink.net>
>Subject: Re: [sdiy] Re: cute project
>Date: Thu, Mar 28, 2002, 11:53 PM
>

>gosh no... i'm not getting it. could you give a simple sketch ?  I picture
>them in a square... like four men holding a pistol in their right hand...
>shooting at the head of the guy to their right... if they all pull the trigger
>at the same time... everyone dies. Are they standing 5" apart ???
>
>H^) harry
>
>Gavin Russom wrote:
>
>> the led and the photocell it mods are mounted right next to ecah other, the
>> "square" that they are mounted in puts each led/cds cell pair about five
>> inches apart.  The frequency range is such that, no the room lighting and
>> the other led's do not "drown out" the main led's effect, they do however
>> affect it, for example in normal room lighting the general frequency of the
>> machine's output is the same, and if one oscillator is set to audio and the
>> rest are set to sub audio it acts as a sequencer, different pitches
>> corresponding to the led's distances from the cds cells, hope that answers
>> your question.
>> Gavin
>> ----------
>> >From: "Lincoln Fong" <Linc at christeld.freeserve.co.uk>
>> >To: "Synth-Diy" <synth-diy at dropmix.xs4all.nl>, "Magus Ship"
>> <elmystico at earthlink.net>
>> >Subject: [sdiy] Re: cute project
>> >Date: Thu, Mar 28, 2002, 5:34 AM
>> >
>>
>> >Hi Gavin
>> >
>> >>>>.  The LED's are mounted in a square on
>> >>>>the front panel.  The cadmium sulfide cells are mounted in a larger
>> >square
>> >>>outside the LED's so that the light from the LED (output of one
>> >oscillator)
>> >>>>is controlling the frequency of the next oscillator, which is controlling
>> >>>>the next, which is controlling the first one.  It can sit and play itself
>> >
>> >you seem to be saying that each CDS cell is illuminated partly by the
>> >corresponding LED and partly by natural room lighting. Does this and the
>> >combined crosstalk effect of the other LEDs not 'drown out' the effect of
>> >the specific LED in normal lighting conditions or are they mounted very
>> >close?
>> >I must say Im intrigued by this project
>> >
>> >Lincoln
>> >
>
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