Miniature LED display board

The utility model discloses a miniature LED display board, a serial communication port, include: single -chip module (1), LED lattice modules (2), button module (3), USB interface module (4) and battery module (5), wherein, single -chip module (1) links to each other with LED lattice modules (2), single -chip module (1) links to each other with button module (3), single -chip module (1) links to each other with USB interface module (4), single -chip module (1) links to each other with battery module (5). This display board is used for showing characters or image information to has the low -power consumption, the characteristics hand -carried.