Arduino Spectrum Analyzer with OLED Display
Here I build an Arduino spectrum analyzer with a 128x64 OLED display showing 64 frequency bins and testing the limits of a 16 MHz Arduino Uno using the analogRead function (better performance is possible by directly controlling the ADC). Using a signal generator and sweeping a test waveform, the functionality is validated, including observed limitations due to aliasing when the input frequency is too high for the sample rate. Sketch and Schematic: https://github.com/GadgetReboot/Ardui... Similar project from cbm80amiga: • Arduino simple audio spectrum analyzer on ... Similar project from learnelectronics: • Arduino Spectrum Analyizer Patreon: / gadgetreboot Pinterest: https://www.pinterest.ca/GadgetReboot Twitter: @GadgetReboot / gadgetreboot
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