This Analyzer is based on my Analog analyzer but this time, I put it in a housing made of lego bricks.
The audio analysis is done with opamp band filters, the old fashion way….The front end is done by using a ESP32 to create patterns to be displayed with pixel leds.
This is a demo only. If you want to build your one, please visit the element 14 community for all details here:
https://community.element14.com/challenges-projects/element14-presents/project-videos/w/documents/28117/episode-599-how-to-build-a-spectrum-analyzer-with-lego-bricks-discrete-electronics
The video on how I build this for Element 14 is here:
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–For automatic processing–
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