8x8点阵是由64个发光二极管排列成8行8列的矩阵，一个发光二极管控制着点阵的一个点。这种显示比较逼真，能显示的字符比较多。利用点阵显示汉字。-8x8 matrix is ​ ​ composed of 64 light-emitting diodes arranged in eight rows of the matrix 8, and a light-emitting diode controls a point lattice. This displays more realistic, more characters can be displayed. Use dot matrix display Chinese characters.