MicroPython Forum (Archive)

Yes, it works now. But FFT is slow and maybe overkill in my case. I am going to use measuring time between zero crossing point. It should be simple to code and working in case of simple sine wave.

The script works well in Python 3.7 on my laptop but in Micropython are some problems with complex numbers implementation. I got AttributeError: 'float' object has no attribute 'real'

Hi all, I work on my new project "touch free breathing monitor". I have used ESP32 and vl53l0x TOF IR Laser ranging module. Now I have nice sine like data series (distance from chest) and I would like to get main frequency to show it on a monitor. And this is the problem. FFT is not available on ESP...