/esp32_SoundRecorder

ESP32 Sound recorder with simple code in arduino-esp32. (I2S interface)

Primary LanguageC++MIT LicenseMIT

esp32_SoundRecorder

board

Prepare

  • ESP32-DevKitC : espressif
  • AE-ADMP441_K : Akizuki Denshi (or similar product using ADMP441)
  • AE-MICRO-SD-DIP : Akizuki Denshi (or similar product for micro SD slot)
  • resistor 10kΩ x 4, 100kΩ x 1, capacitor 22pF x 1

Wiring

wiring1

Development Environment

How to use

Set SD card. Turn on the power. And it starts recording sound and saves as wav file (16bit, monoral, 44.1kHz) in SD card.