Finally I received MP3 player I can use with my projects. (https://pl.aliexpress.com/item/G-o-nik-Mini-Odtwarzacz-MP3-z-Modu-em-Uproszczony-Wyj-cie-MP3-TF-16P-TF/32877194097.html)
SD card for files and rich library on github:
Tutaj więcej o tym urządzeniu:
