[sdiy] Circle Machine prototype

[David Brown]

I've been working on building a working model of Raymond Scott's 
circle machine.  I thought it would be fun to build something with 
motors and lamps.

The only information I have is the picture on the Raymond Scott 
site.  I used a Hammond vibrato scanner base as the base for the 
circle machine and mounted it on a plate with 16 potentiometers 
around it.  I only have 8 lamps installed but I have it playing an 
octave scale (the output is quantized).  I've got a thread going on 
Muff's in the Music Tech DIY but thought I'd post a link here as 
well.  I'm not sure how practical it is but it's kind of fun to 
watch.  It's also been fun to prototype.

I'm using incandescent lamps, rheostats (e.g. potentiometers) and a 
CdS sensor.  All the control and processing electronics are done in a 
microprocessor (I know it's not original but those are the 
electronics *below* the panel).  This will be a stand-alone module as 
it takes over 12 watts of power.

Details, photos, and videos are at
http://modularsynthesis.com/modules/DJB-circle/circle.htm

Dave