#20

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Here is #20. It basically has three pitch knobs, two of which I added. They all pitch it down, but with pinpoint precision. The effect is quite good. I also added an rca output, but normally I would have added a resistor to fine tune the audio signal, as sometimes it can sound kind of funny. But this time I didn't, to see if folks might prefer it. In the video it is playing through its own speaker, the sound file below it is what I recorded coming from the output.