下面给大家介绍下我制作的16*16led点阵设计，希望与各位电子爱好者共同讨论，共同进步。

下图是电路图连接图

下面是74HC154

4线-16线译码器引脚说明，以及地址/全能输入对应的输出表。

滚动显示C程序如下。

#include

#include

#define uchar unsigned char

#define uint unsigned int

char code YD[]={

0x01,0x00,0x01,0x00,0x7F,0xFC,0x03,0x80,

0x05,0x40,0x09,0x30,0x31,0x0E,0xDF,0xE4,

0x00,0x80,0x01,0x00,0x7F,0xFE,0x01,0x00,

0x01,0x00,0x01,0x00,0x05,0x00,0x02,0x00,

0x20,0x40,0x30,0x40,0x24,0x4C,0x42,0x70,

0xFF,0x44,0x42,0x46,0x00,0x7C,0x7E,0x00,

0x42,0x40,0x7E,0x4C,0x42,0x70,0x7E,0x40,

0x42,0x44,0x42,0x46,0x4A,0x3C,0x44,0x00,

0x00,0x00,0x0F,0xF0,0x08,0x10,0x0F,0xF0,

0x08,0x10,0x0F,0xF0,0x00,0x00,0xFF,0xFE,

0x01,0x00,0x09,0x00,0x09,0xF8,0x09,0x00,

0x15,0x00,0x23,0x00,0x40,0xFE,0x00,0x00,

0x01,0x00,0x01,0x00,0x02,0x80,0x02,0x40,

0x04,0x20,0x09,0x18,0x11,0x0E,0x61,0x04,

0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,

0x01,0x00,0x01,0x00,0x01,0x00,0x00,0x00,

0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,

0x01,0x00,0xFF,0xFE,0x01,0x00,0x02,0x80,

0x02,0x80,0x02,0x40,0x04,0x40,0x04,0x20,

0x08,0x10,0x10,0x18,0x20,0x0E,0x40,0x04,

0x08,0x20,0x08,0x20,0x08,0x20,0x4B,0xFE,

0x4A,0x22,0x4A,0x22,0x4A,0x22,0x4A,0x22,

0x4A,0x22,0x4A,0x22,0x4A,0x22,0x12,0x2E,

0x12,0x24,0x20,0x20,0x40,0x20,0x80,0x20,

0x00,0x00,0x7F,0xFC,0x00,0x10,0x1F,0x90,

0x10,0x90,0x1F,0x90,0x10,0x90,0x00,0x04,

0xFF,0xFE,0x00,0x10,0x1F,0x90,0x10,0x90,

0x1F,0x90,0x10,0x90,0x00,0x50,0x00,0x20,

};

void delay(uint z)

{

uint x,y;

for(x=z;x>0;x--)

for(y=110;y>0;y--);

}

main()

{

int i,t,k=0;

while(1)

{

for(t=0;t<5;t++)

{

for(i=0;i<16;i++)

{

P1=i;

P0=~YD[2*i+2*k];

P2=~YD[2*i+1+2*k];

delay(2);

}

P0=0xff;

P2=0xff;

}

k=k+1;

if(k>112)

k=0;

}