Instrument Control (GPIB, Serial, VISA, IVI)

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FFT the signal which read from analog pin through Arduino

Hi everyone,


I'm using Arduino to send my signal to Labview. The signal display on the chart pretty good but I could not realize it's spectrum (I'm testing with sine wave Vpp = 1 at 100Hz). 


What will I have to do to see the spectrum? I think the signal output (after ADC_Read function) is quite different from others.

I hope someone can help me this problem. Please, I really need your help. It's my final project!!!


Attached is the block diagram and front panel include signal (dont care about the signal had just half above because of ADC_read, this is not my problem) and the spectrum. Problem is I can not understand why the spectrum was that and how to fix it?


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Duplicate post.  Keep the discussion in one place. Please use the linked thread.



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