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optical and acousic spectrum-analyzer

tiny, portable, oled-Spectrum Analyzer. Ugly, but usefull !

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This specrum analyzer can detect acoustical and optical signals in the range from 30 Hz up to 3 k Hz.
Components: photoresistor, microphone, oled-display and an arduino nano.

Spectrum_Analyzer_SPI.ino

ino - 3.66 kB - 03/03/2020 at 18:35

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