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Beat Box
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When challenged to create an interesting interactive piece in a confined cube, using only one input and one output, I created this, the Beat Box. The Beat Box senses its orientation based on a digital accelerometer, and it also senses the rate at which it is moved. Using these senses, I assigned certain frequencies for the speaker to pulse at, creating different pitches and difference rhythms depending on the tilt and orientation. As an easter egg, or hidden feature, shaking the device rapidly changes the mode of the audio from pulsing to constant beats.

The intent of the piece was to give no instructions to the user and allow the user to learn the interface by exploration. Most users attempted to create unique beats or recreate music that they are familiar with.

As a side project for myself, I decided to build the Arduino on a breadboard instead of using the fabricated Arduino. The accelerometer is then housed and stabilized simply by placing it in the breadboard.
April 2007 (846 views) Filed under arduino, electronic programming 
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