Smart door bell and noise meter using fft on esp32 Esp32 audio input
Inmp441 Esp32 Wemos Wiring
Esp32 i2s mems required Esp32 wiring using meter noise fft bell smart door gnd connection sd 3v d32 vdd
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