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| Reference | URL |
|---|---|
| How to read data from audio jack? | https://forum.arduino.cc/t/how-to-read-data-from-audio-jack/458301 |
| Audio Jack Input In Arduino || AUX Cable || Analog Input | https://www.youtube.com/watch?v=Nxc_8gn1Vdg |
| *** ESP32 spectrum analyser VU meter using arduinoFFT and a FastLED matrix | https://www.youtube.com/watch?v=Mgh2WblO5_c |
| ESP32_FFT_VU - Code | https://github.com/s-marley/ESP32_FFT_VU |
| Max Sampling Rate of micro-controller code | https://github.com/s-marley/ESP32_FFT_VU/blob/master/Sample_test/Sample_test.ino |
Arduino Audio Input
| https://www.instructables.com/Arduino-Audio-Input/ |