Wednesday, April 22, 2020

Singing Toilet Paper

Artist Max Björverud rigged a bunch of toilet paper dispensers to sound like a choir. Yeah, he started this project a long time before we became obsessed with toilet paper. The "instrument" is explained at Hack a Day.
Inspired by the way bicycle computers determine your speed, [Max] took a set of toilet paper holders, extended each roll holding part with a 3D-printed attachment housing a magnet, and installed a Hall-effect sensor to determine the rolling activity. The rolls’ sensor data is then collected with an Arduino Mega and passed on to a Raspberry Pi Zero running Pure Data, creating the actual sounds.
(via Neatorama)

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