Magic Eye Audio Spectrum Display

John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

2246 Articles

By John Baichtal

My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net

2246 Articles

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Screen shot 2013-01-21 at 9.14.06 AM

Sylvain, AKA MicroSyl, wanted to build an audio spectrum display using old “magic eye” vacuum tubes:

After doing some project with vintage tube I got the idea of doing an audio spectrum display with “magic eyes tube” and driving those with an AVR MCU with Fast Fourier Transform.

The enclosure is sweet too! [via Embedded Projects]

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