Smart door bell and noise meter using fft on esp32 Esp32 i2s mems required Esp32 audio input
ESP32 Audio Input - MAX4466, MAX9814, SPH0645LM4H, INMP441 | atomic14
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ESP32 Audio Input - MAX4466, MAX9814, SPH0645LM4H, INMP441 | atomic14

Smart door bell and noise meter using FFT on ESP32 - IoT Assistant