16×16LED点阵屏原理图及驱动程序2009-11-29 19:56 这是我玩LED点阵屏的第一块电路板，也是学习单片机入门的第一个实验器材-16 × 16LED dot-matrix screen schematics and drivers 2009-11-29 19:56 This is what I play the first one LED dot matrix display circuit board, but also started the first one to lea