Thingiverse
Audio Spectrum Analyzer (VU Meter)
by indoorgeek
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What is Music? From a technical point of view, music is basically a signal with varying voltage and frequency. Audio Spectrum Analyzer is a device that shows the voltage level of a particular frequency. It is an instrument mainly used in places like recording studios to analyze the sound.
Though it is an instrument, it is fun to stare at the dancing lights and a great way to visualize music. A few years back, I had made a smaller version with two columns on the prototyping board. A lot of soldering and a complete mess! This time I wanted it to be neat and tidy and a treat for the eyes.
Instructables: https://www.instructables.com/id/Audio-Spectrum-Analyzer-VU-Meter/
Build Video: https://www.youtube.com/watch?v=CIrVH2XQp40
Though it is an instrument, it is fun to stare at the dancing lights and a great way to visualize music. A few years back, I had made a smaller version with two columns on the prototyping board. A lot of soldering and a complete mess! This time I wanted it to be neat and tidy and a treat for the eyes.
Instructables: https://www.instructables.com/id/Audio-Spectrum-Analyzer-VU-Meter/
Build Video: https://www.youtube.com/watch?v=CIrVH2XQp40
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