21: Vi Hart’s paper recorder: vihart.com/paperinstruments
22: Milled a fipple and plug for Day 5’s General Purpose Shiny Thing to make it into a whistle.
23: Grabbed a chunk of aluminum pipe and milled a big whistle.
[video link]
A bar clamp with fishing line stretched over it. Amplified with a contact mic.
[video link]
I took the teensy screamer (day 12) and hooked it up to a computer to get a slightly less horrible sound.
[video link]
Ambient sound of the street through the intercom.
[video link]
I taught a workshop at NYC Resistor with floppy fabric toy synthesizers. (Previous video: www.flickr.com/photos/ranjit/8370894693/)
[video link]
Actually two whistles in one. Warmup for Sunday’s laser whistles workshop.
[video link]
Music wire + guitar pickup.
[video link]
A simple kazoo made from laser-cut wood and cellophane from a package of teabags.
Download the laser plans and instructions here: www.thingiverse.com/thing:50286
[video link]
I stuck an accelerometer on a Teensy microcontroller. That part was easy. But I had some trouble getting a nice sound out of it. I’ll try again later.