Spectrum analyzer Sept 1, 2019 9:12:17 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by DarioG on Sept 1, 2019 9:12:17 GMT Spectrum analyzer, using an old b/w LCDwww.youtube.com/watch?v=K0RoCcKs3K0works fine in the audio band and above, since sampling and FFT goes up to some 1-2 MSamples/sec