While the Raspberry Pi might have been the more obvious choice to base this project around, [Martin] decided to go the ESP32 route for ... a PCM5102 I2S DAC with a PAM8403 amplifier to handle ...
Inspiration was then taken from a project by [Sprite_tm], which used the I2S peripheral to drive a small LED display without placing load on the CPU. Using the ESP32’s I2S peripheral in parallel ...