Arduino AC Grid Analyzer: Frequency Analysis on a Mini Color Display
Arduino AC Grid Analyzer: Frequency Analysis on a Mini Color Display
A fully fledged spectrum analyzer on a basic Arduino board? It is possible when the software is tailored to the available processing power. A standard Arduino can be turned into an AC line (‘mains’) supply spectrum analyzer with the addition of a filter shield and a display shield. It uses a Fast Fourier Transform to visualize the 'pollution' on the AC grid supply at home or at the office.
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