基于51单片机16*16像素LED点阵汉字显示原理图-Based on 51 single-chip 16* 16 pixel LED dot matrix display schematic characters

16*16点阵屏交替显示汉字，采用51单片机控制，74HC154实现列驱动。-16* 16 dot matrix display screen alternating Chinese characters, using 51 single-chip control, 74HC154 out drive to achieve.