8×8 LED Matrix Tutorial + Project Code and Schematic

1#include <LedControl.h>
2
3int DIN = 12;
4int CS =  11;
5int CLK  = 10;
6
7byte a[8]=     {0x00,0xE9,0x89,0xE9,0x29,0xEF,0x00,0x00,};
8byte  b[8]=     {0x00,0xE7,0x94,0xE7,0x91,0xE7,0x00,0x00,};
9byte c[8]=     {0x00,0xEC,0x8A,0x8C,0x8A,0xEA,0x00,0x00,};
10byte  d[8]=     {0x00,0xEE,0x49,0x4E,0x49,0xEE,0x00,0x00,};
11byte e[8]= {0x00,0xF0,0x80,0xF0,0x80,0xF0,0x00,0x00,};
12
13
14LedControl  lc=LedControl(DIN,CLK,CS,0);
15
16void setup(){
17 lc.shutdown(0,false);       //The  MAX72XX is in power-saving mode on startup
18 lc.setIntensity(0,15);      // Set  the brightness to maximum value
19 lc.clearDisplay(0);         // and clear the  display
20}
21
22void loop(){ 
23
24    byte f[8]=   {0x00,0x66,0xFF,0xFF,0x7E,0x3C,0x18,0x00,};
25    byte g[8]= {0xFF,0x99,0x00,0x00,0x81,0xC3,0xE7,0xFF,};
26    byte h[8]=   {0x00,0x66,0xFF,0xFF,0x7E,0x3C,0x18,0x00,};
27    byte i[8] = {0xFF,0x99,0x00,0x00,0x81,0xC3,0xE7,0xFF,};
28    
29    printByte(f);
30     
31    delay(1000);
32
33    printByte(g);
34    
35    delay(1000);
36
37    printByte(h);    
38
39    delay(1000);
40
41    printByte(i);
42
43    delay(1000);
44   
45    printEduc8s();
46   
47    lc.clearDisplay(0);
48    
49    delay(1000);
50}
51
52void  printEduc8s()
53{
54  printByte(a);
55  delay(1000);
56  printByte(b);
57  delay(1000);
58  printByte(c);
59  delay(1000);
60  printByte(d);
61  delay(1000);
62  printByte(e);
63  delay(1000);
64  
65  
66}
67
68void printByte(byte character [])
69{
70  int i = 0;
71  for(i=0;i<8;i++)
72  {
73    lc.setRow(0,i,character[i]);
74  }
75}
76

1#include <LedControl.h>
2
3int DIN = 12;
4int CS =  11;
5int CLK
6  = 10;
7
8byte a[8]=     {0x00,0xE9,0x89,0xE9,0x29,0xEF,0x00,0x00,};
9byte
10  b[8]=     {0x00,0xE7,0x94,0xE7,0x91,0xE7,0x00,0x00,};
11byte c[8]=     {0x00,0xEC,0x8A,0x8C,0x8A,0xEA,0x00,0x00,};
12byte
13  d[8]=     {0x00,0xEE,0x49,0x4E,0x49,0xEE,0x00,0x00,};
14byte e[8]= {0x00,0xF0,0x80,0xF0,0x80,0xF0,0x00,0x00,};
15
16
17LedControl
18  lc=LedControl(DIN,CLK,CS,0);
19
20void setup(){
21 lc.shutdown(0,false);       //The
22  MAX72XX is in power-saving mode on startup
23 lc.setIntensity(0,15);      // Set
24  the brightness to maximum value
25 lc.clearDisplay(0);         // and clear the
26  display
27}
28
29void loop(){ 
30
31    byte f[8]=   {0x00,0x66,0xFF,0xFF,0x7E,0x3C,0x18,0x00,};
32
33    byte g[8]= {0xFF,0x99,0x00,0x00,0x81,0xC3,0xE7,0xFF,};
34    byte h[8]=   {0x00,0x66,0xFF,0xFF,0x7E,0x3C,0x18,0x00,};
35
36    byte i[8] = {0xFF,0x99,0x00,0x00,0x81,0xC3,0xE7,0xFF,};
37    
38    printByte(f);
39
40     
41    delay(1000);
42
43    printByte(g);
44    
45    delay(1000);
46
47
48    printByte(h);    
49
50    delay(1000);
51
52    printByte(i);
53
54    delay(1000);
55
56   
57    printEduc8s();
58   
59    lc.clearDisplay(0);
60    
61    delay(1000);
62}
63
64void
65  printEduc8s()
66{
67  printByte(a);
68  delay(1000);
69  printByte(b);
70  delay(1000);
71
72  printByte(c);
73  delay(1000);
74  printByte(d);
75  delay(1000);
76  printByte(e);
77
78  delay(1000);
79  
80  
81}
82
83void printByte(byte character [])
84{
85
86  int i = 0;
87  for(i=0;i<8;i++)
88  {
89    lc.setRow(0,i,character[i]);
90
91  }
92}
93