follow up: 4×4 matrix piano, servo fun!

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4×4 happy birthday!

Just for fun, I tried playing a full song on the 4×4 I set up last week.

As someone who played the piano for 11 years, it was pretty difficult to conceptualize the notes “wrapping” as they increased. I found myself remembering the “shape” of the sequence of notes, much more than the distance between them.

Many takes later…

Here’s another short video from last week, in which you can see the wiring a little better.

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servo challenge

I got together with Lin last week to finish up the Servo lab we started in class. It was a simple challenge—but sometimes with hardware, myriad tiny things can go wrong. Even just starting everything a-fresh sometimes does the trick.

Here is a better view of the wiring:

IMG_20171006_135557.jpg

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