Quantity   Component name
1 × Espressif Systems ESP32 DevKitC
1 × Daoki INMP441 Omnidirectional Microphone Module I2S Interface MEMS High Precision Low Power Ultra Small Volume for ESP32 DIY wit
1 × Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A
1 × Gikfun 4Ohm 5W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino Replacement