Current version is seems working device, designed to be as simple as possible. It's build using common components, such as powerbank and 32x32 rgb led matrix. Some parts of enclosure are 3d-printed and front panel is CNC'ed acrylic glass.

Actual recording and playback are missing now, but will be added a bit later.

Code is available at github (
It's uses excellent codebase by Henner Zeller ( for led matrix display

There is some instructions, but its on russian and the quality is very bad: