Hear the sound of 300 stars with Arduino


Artist Francesco Fabris created a sonic representation of stars and constellations through a dedicated interface.


Unlike some science fiction movies would have you believe, there is no sound in space. With this fact in mind Francesco Fabris created Stellar. This interactive art installation was designed to be “a sonic representation of stars and constellations through a dedicated interface.”

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This project takes the form of a cylinder with several important constallations represented below its transparent cover. Inside this cover are two robotic arms which are controlled by hand motions via a non-contact sensors and an Arduino Uno (ATmega328). These arms are used to select the star that is seen and heard.

Once selected, several aspects of that star are analyzed, including temperature, brightness (as seen from Earth), distance (from Earth), frequency, amplitude and duration. These statistics are then represented and displayed as a sound and color. The video below shows the installation in action, or you can check out the “making of” video at the end for more insight into this project.

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“The project has been developed using Arduino and Max7 software,” Fabris explains. “Data of more than 300 stars and 44 constellations have been stored from the open-source software Stellarium.org, and coded to interact with the robotic arms.”

In addition to Fabris, several other people helped make Steller a reality: Patrycja Maksylewicz, Przemysław Koleszka and Eloy Diez Polo. It looks like this was a huge undertaking, involving quite a bit of programming, and a lot of work at the project’s location to get everything set up.

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