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 uintunsigned 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;
}
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