Fun Halloween Costume

1int switchPin = A9;
2int buzzer_pin = A3;
3int switchLED1 = A5;
4int  switchLED2 = 6;
5int switchLED3 = A8;
6
7struct MusicStruct {
8  int A =  550;
9  int As = 582;
10  int B = 617;
11  int C = 654;
12  int Cs = 693;
13  int D = 734;
14  int Ds = 777;
15  int E = 824;
16  int F = 873;
17  int Fs  = 925;
18  int G = 980;
19  int Gs = 1003;
20  int A2 = 1100;
21  int A2s =  1165;
22  int B2 = 1234;
23  int C3 = 1308;
24  int C3s = 1385;
25  int D3 =  1555;
26}Music;
27
28struct LengthStruct {
29  float half = 0.5;
30  float  one = 1.0;
31  float one_half = 1.5;
32  float two = 2.0;
33  float two_half  = 2.5;
34}Length;
35
36int tempo = 400;
37
38void setup() {
39  pinMode(buzzer_pin,  OUTPUT);
40  pinMode(switchPin, INPUT_PULLUP);
41
42  pinMode(switchLED1, OUTPUT);
43  pinMode(switchLED2, OUTPUT);
44  pinMode(switchLED3, OUTPUT);
45}
46
47void  setTone(int pin, int note, int duration) {
48  tone(pin, note, duration);
49  delay(duration);
50  noTone(pin);
51}
52
53void loop() {
54{
55    int switchState;
56  
57  switchState = digitalRead(switchPin);
58  if (switchState == LOW)  
59  {
60    digitalWrite(switchLED1,HIGH);
61    digitalWrite(switchLED2,HIGH);
62    digitalWrite(switchLED3,HIGH);
63    
64  }
65  else
66  {
67    digitalWrite(switchLED1,LOW);
68    digitalWrite(switchLED2,LOW);
69    digitalWrite(switchLED3,LOW);
70  }
71  switchState = digitalRead(switchPin);
72  if (switchState == LOW)
73 {
74  setTone(buzzer_pin, Music.B, tempo * Length.one);
75  setTone(buzzer_pin, Music.E, tempo * Length.one_half);
76  setTone(buzzer_pin,  Music.G, tempo * Length.half);
77  setTone(buzzer_pin, Music.F, tempo * Length.one);
78  setTone(buzzer_pin, Music.E, tempo * Length.two);
79  setTone(buzzer_pin, Music.B2,  tempo * Length.one);
80  setTone(buzzer_pin, Music.A2, tempo * Length.two_half);
81  setTone(buzzer_pin, Music.Fs, tempo * Length.two_half);
82  
83  setTone(buzzer_pin,  Music.E, tempo * Length.one_half);
84  setTone(buzzer_pin, Music.G, tempo * Length.half);
85  setTone(buzzer_pin, Music.F, tempo * Length.one);
86  setTone(buzzer_pin, Music.Ds,  tempo * Length.two);
87  setTone(buzzer_pin, Music.F, tempo * Length.one);
88  setTone(buzzer_pin, Music.B, tempo * Length.two_half);
89  delay(1000);
90}
91else
92{noTone(buzzer_pin);}
93}}