Hi Paulvvz,
your FFT is really fantastic. I’ve made some measurements at my highschool with a frequency generator and the results of your FFT-ROutine were very exactly.
I only had the Problem, that only signals in the area of 2kHz to 60 kHz were able to be measured right. The result for sinuswaves with lower of higher Frequency were that they also should have a peakfrequency at the area of 2 kHz to 60 kHz.
Do you know where the Problem could be? I gave pure SInuswaves with Frequency from 5 Hz to about 500 kHz as an input, but only got a peakfrequency at the kHz-area.
Thank you very much.
Eli