I am looking for someone to modify source code on a project I'm working on. I'm building a prototype using this MP3 player: [url removed, login to view]
The source is written in C and I need functionality added. Basically, I need to be able to connect a 4x4 matrix pushbutton panel (16 buttons total). I need each button to trigger playback of a corresponding MP3 file that resides on the memory card. Source is attached.