Component: Button

documentation

The PWM audio function uses the internal LEDC peripheral in ESP32 to generate PWM audio, which does not need an external audio Codec chip.

Features

• Allows any GIPO with output capability as an audio output pin
• Supports 8-bit ~ 10-bit PWM resolution
• Supports stereo
• Supports 8 ～ 48 KHz sampling rate

Here is a simple player example that uses PWM to output audio.