esp32-mic-fft
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squix78
Sample code for using the microphone via I2S on a ESP-EYE board
This code shows how to access a I2S microphone on an ESP32 (ESP-EYE board), to analyze the recorded frequencies with a fast fourier transform. Then the frequencies are visualized in a browser.
Read the related blog post here: https://blog.squix.org/2019/08/esp32-esp-eye-browser-based-spectrum-analyzer.html
squix78