Boris Smus

In anticipation of 48-739: Making Things Interactive, I’ve been itching to build something interesting. I decided to create a printing plotter out of my brother’s Mindstorms set. There are already many excellent plotter designs floating around in the Mindstorms community, so I decided to try something new. Plotters typically draw straight, edge-aligned lines, since they have a caret motor which travels along the x-axis and a feed motor which aligns along the y-axis. There are many variations on this theme.

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After several weeks of casual spare-time research and implementation, I’ve finally built a fully working piano playback robot. The usage is simple: someone plays or sings an arbitrary monophonic melody, and the robot, parked on a piano bench, will play it back.

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