Esp32 i2s mems required Esp32 wiring using meter noise fft bell smart door gnd connection sd 3v d32 vdd Smart door bell and noise meter using fft on esp32
ESP32 Audio Input - MAX4466, MAX9814, SPH0645LM4H, INMP441 | atomic14
Esp32 audio input
ESP32 Audio Input - MAX4466, MAX9814, SPH0645LM4H, INMP441 | atomic14
Smart door bell and noise meter using FFT on ESP32 - IoT Assistant