This video discusses how the Raspberry Pi Pico uses the PIO function to simulate the I2S interface, and connects the MAX98357A DAC to play the Wave sound file. The development IDE uses VSCode + C-SDK.
00:00 Demo
01:52 Introduction to the MAX98357A
02:12 PIO side-set pins correspond to BCLK and LRCLK
02:20 Mono PIO code
03:00 Stereo PIO code
03:16 pico_project auto generator
03:36 Main program description
Details and code:
https://mcuapplab.blogspot.com/2022/1...