Tuesday, January 8, 2013

Weird Sound Generator


This is my first post after a long holiday. I expected to had gotten a lot more stuff built that what I did. I was only able to build two things out of like the six things I wanted to build. One of the things I was able to finish was a Weird Sound Generator from MFOS for a friend of mine. Although when I mailed it, the stupid post office punted it all the way to Illinois and broke the battery connection.


I'm not smart enough to label the differences in the knobs in the switches in the two voices. Especially since they only label everything in the diagram as zany and wacky. The only thing I was able to figure out was that the black knobs with the silver tops are the rate knobs for the oscillators for each voice.



The silver bumps on the back are body contacts to some random points on the circuit board.

The coolest part of this by far is the low pass filter. I would like to build a stand alone low pass filter from this device. Here is a schematic for the filter...


Here is a video of it in action...



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