LAYOUT FILES: 8x8-RGB-LED-Matrix controller using 4x 74HC595 shift registers. CPU: ATmega168/328. Arduino 'compatible'. Runs with code from V3_x_boards_test repo. KICAD and Gerber files.
Before having PC-boards made, please make sure you know about your manufacturer's peculiarities! Especially drill-sizes and their tolerances may vary too much and give you trouble.