Streaming FFT from the PyPPM
A quick demonstration of the 'liveft' software tool packaged with the PyPPM. Samples are streamed out of the device at 10 kS/s in 1024-sample packets, Fourier-transformed, 8x boxcar averaged (in the frequency domain) and displayed in a fullscreen OpenGL window. ... Just touching the 50-ohm terminator causes the highly sensitive analog signal chain to pick up mains harmonics! :) More info on the PyPPM: http://www.geekysuavo.org/ppm My Hackaday Projects page: http://hackaday.io/project/1376-PyPPM...!
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