Simple Spectrum Analyzer Case
thingiverse
This calls for a small spectrum analyzer that can be easily found on eBay and Aliexpress websites. In addition to acquiring the analyzer, I also included a push button on the track generator circuit, along with LEDs that were connected directly to the board. I designed "standoffd" onto the printed case of the analyzer. Consequently, M3 brass standoffs were used to attach the top cover in place.
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