Apparently not content with looking at a map in a book or on a computer screen, YouTuber ShareAHack.com decided to CNC cut and mount a projection of the world onto his apartment’s wall!
The build was completed in sections and pieced together to form the model, with moss-covered land masses and cities represented by fiber optic LEDs.
Illumination is provided by a series of LED units, which combine white and yellow light that is transmitted to small drilled-out holes via a large number of fiber optic strands. An Arduino controls the lighting via N-channel MOSFETs, allowing it to randomly vary the output for a pleasing and realistic effect.
Files for the project are available here, though be warned that it took around six months to finish!
Read more: blog.arduino.cc
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