Keypad Music Notes

1#include <Keypad.h>
2
3
4// Defines how many rows and columns there  are
5const byte ROWS = 4;
6const byte COLS = 4;
7
8// Define name of keys
9char  hexaKeys[ROWS][COLS] = {
10  {'1', '2', '3', '4'},
11  {'5', '6', '7', '8'},
12  {'A', 'B', 'C', 'D'},
13  {'E', 'F', 'G', 'H'}
14};
15
16byte colPins[ROWS]  = {9, 8, 7, 6};
17byte rowPins[COLS] = {5, 4, 3, 2};
18
19Keypad customKeypad  = Keypad(makeKeymap(hexaKeys), colPins, rowPins, ROWS, COLS);
20
21// Define notes
22#define  NOTE_C   523
23#define NOTE_CS  554
24#define NOTE_D   587
25#define NOTE_E   659
26#define  NOTE_F   698
27#define NOTE_FS  740
28#define NOTE_G   784
29#define NOTE_A   880
30#define  NOTE_B   988
31#define NOTE_C2  1047
32#define NOTE_CS2 1109
33#define NOTE_D2  1175
34#define NOTE_E2  1319
35#define NOTE_F2  1397
36#define NOTE_FS2 1480
37#define  NOTE_G2  1568
38
39// Change this depending on your pin on the Arduino
40const  int buzzer = 11;
41
42void setup() {
43  Serial.begin(9600);
44}
45
46void  loop() {
47  int customKey = customKeypad.getKey();
48
49  if (customKey == '1')  {
50    tone(buzzer, NOTE_C, 200);
51  }
52  if (customKey == '2') {
53    tone(buzzer,  NOTE_CS, 200);
54  }
55  if (customKey == '3') {
56    tone(buzzer, NOTE_D, 200);
57  }
58  if (customKey == '4') {
59    tone(buzzer, NOTE_E, 200);
60  }
61  if  (customKey == '5') {
62    tone(buzzer, NOTE_F, 200);
63  }
64  if (customKey  == '6') {
65    tone(buzzer, NOTE_FS, 200);
66  }
67  if (customKey == '7') {
68    tone(buzzer, NOTE_G, 200);
69  }
70  if (customKey == '8') {
71    tone(buzzer,  NOTE_A, 200);
72  }
73  if (customKey == 'A') {
74    tone(buzzer, NOTE_B, 200);
75  }
76  if (customKey == 'B') {
77    tone(buzzer, NOTE_C2, 200);
78  }
79  if  (customKey == 'C') {
80    tone(buzzer, NOTE_CS2, 200);
81  }
82  if (customKey  == 'D') {
83    tone(buzzer, NOTE_D2, 200);
84  }
85  if (customKey == 'E') {
86    tone(buzzer, NOTE_E2, 200);
87  }
88  if (customKey == 'F') {
89    tone(buzzer,  NOTE_F2, 200);
90  }
91  if (customKey == 'G') {
92    tone(buzzer, NOTE_FS2,  200);
93  }
94  if (customKey == 'H') {
95    tone(buzzer, NOTE_G2, 200);
96  }
97}

1#include <Keypad.h>
2
3
4// Defines how many rows and columns there
5  are
6const byte ROWS = 4;
7const byte COLS = 4;
8
9// Define name of keys
10char
11  hexaKeys[ROWS][COLS] = {
12  {'1', '2', '3', '4'},
13  {'5', '6', '7', '8'},
14
15  {'A', 'B', 'C', 'D'},
16  {'E', 'F', 'G', 'H'}
17};
18
19byte colPins[ROWS]
20  = {9, 8, 7, 6};
21byte rowPins[COLS] = {5, 4, 3, 2};
22
23Keypad customKeypad
24  = Keypad(makeKeymap(hexaKeys), colPins, rowPins, ROWS, COLS);
25
26// Define notes
27#define
28  NOTE_C   523
29#define NOTE_CS  554
30#define NOTE_D   587
31#define NOTE_E   659
32#define
33  NOTE_F   698
34#define NOTE_FS  740
35#define NOTE_G   784
36#define NOTE_A   880
37#define
38  NOTE_B   988
39#define NOTE_C2  1047
40#define NOTE_CS2 1109
41#define NOTE_D2
42  1175
43#define NOTE_E2  1319
44#define NOTE_F2  1397
45#define NOTE_FS2 1480
46#define
47  NOTE_G2  1568
48
49// Change this depending on your pin on the Arduino
50const
51  int buzzer = 11;
52
53void setup() {
54  Serial.begin(9600);
55}
56
57void
58  loop() {
59  int customKey = customKeypad.getKey();
60
61  if (customKey == '1')
62  {
63    tone(buzzer, NOTE_C, 200);
64  }
65  if (customKey == '2') {
66    tone(buzzer,
67  NOTE_CS, 200);
68  }
69  if (customKey == '3') {
70    tone(buzzer, NOTE_D, 200);
71
72  }
73  if (customKey == '4') {
74    tone(buzzer, NOTE_E, 200);
75  }
76  if
77  (customKey == '5') {
78    tone(buzzer, NOTE_F, 200);
79  }
80  if (customKey
81  == '6') {
82    tone(buzzer, NOTE_FS, 200);
83  }
84  if (customKey == '7') {
85
86    tone(buzzer, NOTE_G, 200);
87  }
88  if (customKey == '8') {
89    tone(buzzer,
90  NOTE_A, 200);
91  }
92  if (customKey == 'A') {
93    tone(buzzer, NOTE_B, 200);
94
95  }
96  if (customKey == 'B') {
97    tone(buzzer, NOTE_C2, 200);
98  }
99  if
100  (customKey == 'C') {
101    tone(buzzer, NOTE_CS2, 200);
102  }
103  if (customKey
104  == 'D') {
105    tone(buzzer, NOTE_D2, 200);
106  }
107  if (customKey == 'E') {
108
109    tone(buzzer, NOTE_E2, 200);
110  }
111  if (customKey == 'F') {
112    tone(buzzer,
113  NOTE_F2, 200);
114  }
115  if (customKey == 'G') {
116    tone(buzzer, NOTE_FS2,
117  200);
118  }
119  if (customKey == 'H') {
120    tone(buzzer, NOTE_G2, 200);
121
122  }
123}