This summary describes the process of building a standalone audio player using the Raspberry Pi Pico. The audio quality is not perfect but is good enough for different settings. The setup includes various components like push buttons, resistors, capacitors, an SD card module, an OLED display, and more. The programming is done in MicroPython, and the necessary drivers can be found on GitHub. The program allows you to play 8k WAV files, and there are options for expanding the player’s functionality, like adding a digital thermometer or a talking clock. Overall, this project offers a unique and fun DIY audio player experience.
http://lucstechblog.blogspot.com/2025/02/raspberry-pi-pico-audio-player.html