Universal IR Remote Control

1#include <IRremote.h>    // Include IR remote Library
2IRsend irsend;
3#define  select1        // Select Buttons
4#define select2
5#define select3
6#define  row1 4         // Operational Keypad Matrix (2x3)
7#define row2 5
8#define col1  6
9#define col2 7
10#define col3 8
11void setup()
12{
13  pinMode(row1,OUTPUT);
14  pinMode(row2,OUTPUT);
15  pinMode(col1,INPUT);
16  pinMode(col2,INPUT);
17  pinMode(col3,INPUT);
18  pinMode(select1,INPUT);
19  pinMode(select2,INPUT);
20  pinMode(select3,INPUT);
21}
22void loop()                                      
23{
24if(digitalRead(select1)==HIGH)                  // Remote 1 (TV)
25{
26    digitalWrite(row1,HIGH);
27    digitalWrite(row2,LOW);
28      if(digitalRead(col1)==HIGH)       // key1 pressed
29       {
30         irsend.sendNEC(0x1CE338C7,32);      //power
31       }  
32      else if(digitalRead(col2)==HIGH)   // key2  pressed
33       {
34         irsend.sendNEC(0x1CE3A857,32);      //mute
35       }
36       else if(digitalRead(col3)==HIGH)  // key3 pressed
37       {
38         irsend.sendNEC(0x1CE36897,32);      //Channel Up
39       }
40       else
41       {
42         digitalWrite(3,LOW);
43       }
44    delay(10);
45    digitalWrite(row2,HIGH);
46    digitalWrite(row1,LOW);
47      if(digitalRead(col1)==HIGH)         // key4 pressed
48       {
49         irsend.sendNEC(0x1CE3E817,32);      //Channel Down
50       }  
51      else if(digitalRead(col2)==HIGH)    //  key5 pressed
52       {
53         irsend.sendNEC(0x1CE330CF,32);      //Volume  Up
54       }
55       else if(digitalRead(col3)==HIGH)   // key6 pressed
56       {
57        irsend.sendNEC(0x1CE3B04F,32);      //Volume Down
58       }
59       else
60       {
61         digitalWrite(3,LOW);
62       }
63    delay(10);
64}
65else  if (digitalRead(select2)==HIGH)          // --> Remote 2 (DVD/DTH/etc)
66{
67  // Similar to 'if(){}' block above; copy your own remote codes;
68}
69else if  (digitalRead(select2)==HIGH)          // --> Remote 3 (other appliances like AC)
70{
71  // Similar to 'if(){}' block above; copy your own remote codes;
72}
73else
74{
75  // if multiple select switches ON simultaneously --> NO operation
76}
77}
78

1#include <IRremote.h>    // Include IR remote Library
2IRsend irsend;
3#define
4  select1        // Select Buttons
5#define select2
6#define select3
7#define
8  row1 4         // Operational Keypad Matrix (2x3)
9#define row2 5
10#define col1
11  6
12#define col2 7
13#define col3 8
14void setup()
15{
16  pinMode(row1,OUTPUT);
17
18  pinMode(row2,OUTPUT);
19  pinMode(col1,INPUT);
20  pinMode(col2,INPUT);
21
22  pinMode(col3,INPUT);
23  pinMode(select1,INPUT);
24  pinMode(select2,INPUT);
25
26  pinMode(select3,INPUT);
27}
28void loop()                                      
29{
30if(digitalRead(select1)==HIGH)
31                  // Remote 1 (TV)
32{
33    digitalWrite(row1,HIGH);
34    digitalWrite(row2,LOW);
35
36      if(digitalRead(col1)==HIGH)       // key1 pressed
37       {
38         irsend.sendNEC(0x1CE338C7,32);
39      //power
40       }  
41      else if(digitalRead(col2)==HIGH)   // key2
42  pressed
43       {
44         irsend.sendNEC(0x1CE3A857,32);      //mute
45       }
46
47       else if(digitalRead(col3)==HIGH)  // key3 pressed
48       {
49         irsend.sendNEC(0x1CE36897,32);
50      //Channel Up
51       }
52       else
53       {
54         digitalWrite(3,LOW);
55
56       }
57    delay(10);
58    digitalWrite(row2,HIGH);
59    digitalWrite(row1,LOW);
60
61      if(digitalRead(col1)==HIGH)         // key4 pressed
62       {
63         irsend.sendNEC(0x1CE3E817,32);
64      //Channel Down
65       }  
66      else if(digitalRead(col2)==HIGH)    //
67  key5 pressed
68       {
69         irsend.sendNEC(0x1CE330CF,32);      //Volume
70  Up
71       }
72       else if(digitalRead(col3)==HIGH)   // key6 pressed
73
74       {
75        irsend.sendNEC(0x1CE3B04F,32);      //Volume Down
76       }
77
78       else
79       {
80         digitalWrite(3,LOW);
81       }
82    delay(10);
83}
84else
85  if (digitalRead(select2)==HIGH)          // --> Remote 2 (DVD/DTH/etc)
86{
87
88  // Similar to 'if(){}' block above; copy your own remote codes;
89}
90else if
91  (digitalRead(select2)==HIGH)          // --> Remote 3 (other appliances like AC)
92{
93
94  // Similar to 'if(){}' block above; copy your own remote codes;
95}
96else
97{
98
99  // if multiple select switches ON simultaneously --> NO operation
100}
101}
102