[sdiy] While we're posting oscillator pics...

Tom Farrand mbedtom at gmail.com
Mon Jan 17 06:21:03 CET 2011


Very inventive idea!  Maybe the cardboard could be hung on a pendulum
and obscure the path of an LED and phototransistor.  Swing the
pendulum and you have a sequencer whose tempo and note stack slowly
dies out.  Maybe shine the LED through a glass of very diluted milk
for diffusion.  That would be an interesting way to end a song.  I
like mechanical things introduced into the creative process.  You just
rang the bell.  Thanks!

Tom Farrand

On Sun, Jan 16, 2011 at 5:16 PM, Gordon JC Pearce <gordonjcp at gjcp.net> wrote:
> ... how about some fun with sillyscopes?
> http://www.youtube.com/watch?v=48zBqQwxFNI
> Here I'm using a 'scope with a cardboard mask over the tube and a light
> detector to generate an arbitrary waveform.  This is then fed into the
> VCF Cutoff CV pin on my Polysix as it plays a simple arpeggio.
> Gordon MM0YEQ
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