The most valuable from this device is of course LCD. But first I didn't know what controller is in it.

Simple debug connections:

Problem with connection to saleae:

At this point I can copy value from uc to LCD and retransmit it, buf then I've found this site:

http://overskill.alexshu.com/cheaphack-a-2-5-chinese-mp3-player-for-its-128x64-mini-lcd/

with explanation about LCD type. It is UC1701. We cen use arduino library u8glib to play with it.

As display PCB I use universal board for uC:

So I can easy connect LCD to breadboard.