Basically, this library lets you send an array of 8-bit samples to the DAC on pin A0, with optional extrapolation aka oversampling. I have connected the output pin through a 2.2μF capacitor and a 1kΩ ...

This project demonstrates how to use the ESP32 built-in Analog to Digital Converters and I2S for capturing audio data and for audio output.. This project shows how to use the Arduino analogRead ...