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The rock band is composed of electromechanical instruments that make music with rocks by throwing them through the air, slapping them and making them (more)

The rock band is composed of electromechanical instruments that make music with rocks by throwing them through the air, slapping them and making them vibrate. The song that they're playing, Here Comes the Sun, is biographical, describing the daily experience of a rock sitting on the ground. The rock band is made up of the following members...nnPinger - fires small rocks at aluminium keys using solenoids.nSpinner - launches magnetic rocks, Hematite, at pieces of marble. Rocks are launched by spinning magnets using Applied Motion www.applied-motion.com stepper motors.nSlapper - slaps rocks with fake leather.nBuzzer - vibrates the plunger of a solenoid against a piece of marble.nnThe whole project is controlled by a computer running a MIDI player written in openFrameworks talking to a Teensy. The machines were designed using Autodesk Fusion 360 and Autodesk Inventor.nnInstructions on how to build your very own Pinger are here - https://www.instructables.com/id/Mechanical-XylophonennThis project was created ...

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