GPD2846 MP3 Module: The heart of this mp3 player project is the GPD2846 MP3 Player Audio Decoder module. This module has a SD card slot in which we can insert an SD card with MP3 songs, and when we ...

An ATmega128 microcontroller is used to build this particular mp3 player that can read data from old 2.5” laptop hard drive. Aside from using the ATmega128 microcontroller, the mp3 player utilizes ...