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Photo 1—The PIC’Spectrum prototype is built on a 1² ´ 3² PCB. A good ground plate is mandatory on a mixed digital/analog design like this one. I used a transparent box to prove that there are very few components inside.

PIC’Spectrum

Audio Spectrum Analyzer Sure, a DSP can make the calculations and generate the pixel bitmap for an audio spectrum analyzer, but at what cost? Robert gets the same result from a single PIC processor with a design so good he walked away with a Design98 first prize. I remember being quite astonished when one of […]
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