Play musical notes using tone() using Arduino Nano

This is an example of using the tone () function on an Arduino Nano. In the same way you can apply other Arduinos and the like

Jul 25, 2020

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Components and supplies

Rotary potentiometer (generic)

LED (generic)

Resistor 221 ohm

Buzzer

Arduino Nano R3

Perma-Proto Breadboard Half Size

Tactile Switch, Top Actuated

Resistor 10k ohm

Apps and platforms

Arduino IDE

Project description

Code

Play musical notes using tone() 🔊🎶🎶🎶

c_cpp

This is an example of using the tone () function on an Arduino Nano. In the same way you can apply other Arduinos and the like.

1const int LED_GRN = 8;
2const int LED_RED = 6;
3const int LED_BLE   = 4;
4const int LED_YLW = 2;
5
6const int BUZZER = 13;
7
8const int BTN1   = 5;
9const int BTN2 = 3;
10const int POT = A0;
11
12const int MeSderM[] [3]   = {{60 ,6, LED_GRN}, {63 ,8, LED_RED}, {67 ,2, LED_BLE}, {66 ,6, LED_BLE}, {63 ,8,   LED_RED}, {60 ,2, LED_GRN}, {60 ,6, LED_GRN}, {63 ,8, LED_RED}, {67 ,6, LED_BLE},   {68 ,8, LED_YLW}, {67 ,8, LED_YLW}, {66 ,6, LED_BLE}, {63 ,6, LED_RED}, {60 ,2,   LED_GRN}, {65 ,6, LED_RED}, {68 ,8, LED_BLE}, {72 ,2, LED_YLW}, {71 ,6, LED_YLW},   {68 ,8, LED_BLE}, {65 ,2, LED_RED}, {60 ,6, LED_GRN}, {63 ,8, LED_BLE}, {67 ,2,   LED_YLW}, {66 ,6, LED_BLE}, {63 ,8, LED_RED}, {60 ,2, LED_GRN}, {68 ,6, LED_YLW},   {67 ,1, LED_BLE}, {67 ,8, LED_BLE}, {65 ,8, LED_RED}, {63 ,8, LED_GRN}, {65 ,8,   LED_RED}, {63 ,8, LED_GRN}, {60 ,1, LED_GRN}, {67 ,6, LED_RED}, {68 ,8, LED_BLE},   {70 ,2, LED_YLW}, {68 ,6, LED_YLW}, {67 ,2, LED_BLE}, {65 ,6, LED_RED}, {63 ,8,   LED_GRN}, {65 ,2, LED_RED}, {63 ,6, LED_GRN}, {62 ,8, LED_RED}, {63 ,2, LED_GRN},   {67 ,6, LED_RED}, {68 ,8, LED_BLE}, {70 ,2, LED_YLW}, {68 ,6, LED_YLW}, {67 ,2,   LED_BLE}, {65 ,6, LED_RED}, {63 ,8, LED_GRN}, {65 ,2, LED_RED}, {63 ,6, LED_GRN},   {65 ,8, LED_RED}, {67 ,1, LED_BLE}, {67 ,8, LED_BLE}, {65 ,8, LED_RED}, {63 ,8,   LED_GRN}, {65 ,8, LED_RED}, {63 ,8, LED_GRN}, {60 ,1, LED_GRN}, {67 ,6, LED_BLE},   {65 ,6, LED_RED}, {63 ,8, LED_GRN}, {65 ,6, LED_RED}, {67 ,6, LED_BLE}, {74 ,1,   LED_YLW}};
13
14const int LEDS[] = {LED_GRN, LED_RED,  LED_BLE, LED_YLW};
15
16int   PotV = 0;
17int AntO = 0;
18int OctX = 0;
19
20void Btn2Read(){
21  if (digitalRead(BTN2)==HIGH){
22     OctX=0;
23  } 
24}
25
26void melodyY(int RepX, int iniX, int endX) {
27	for   (int RepI = 0; RepI < RepX; RepI++) {
28        for (int thisNote = iniX; thisNote   < endX; thisNote++) {
29          PotV = map(analogRead(POT), 0, 1023, -3, 4);
30           if (AntO != PotV){
31            AntO = PotV;
32            OctX = PotV;
33           }
34          Btn2Read();
35          int noteDuration = 1000 / MeSderM[thisNote][1];
36           digitalWrite(MeSderM[thisNote][2], HIGH);
37          float NteX = MeSderM[thisNote][0]+OctX*12-69;
38           NteX = pow(2, NteX/12)*440;
39          String str1 = "Eighth: " +   String(4+OctX) + "; Freq: " + String(NteX,3);
40          Serial.println(str1);
41           tone(BUZZER, NteX, noteDuration);
42          int pauseBetweenNotes =   noteDuration * 1.30;
43          delay(pauseBetweenNotes*2/3);
44          Btn2Read();
45           digitalWrite(MeSderM[thisNote][2], LOW);
46          delay(pauseBetweenNotes/3);
47           Btn2Read();
48          noTone(BUZZER);   
49        }    
50    }
51}
52
53void   setup() {
54    Serial.begin(9600);
55
56    for(int i=0; i<4; i++){
57      pinMode(LEDS[i],   OUTPUT);
58      digitalWrite(LEDS[i], LOW);
59    }
60  pinMode(BTN1, INPUT);
61   pinMode(BTN2, INPUT);  
62}
63
64void loop() {
65
66  if (digitalRead(BTN1)==HIGH)
67   {
68    melodyY(2,0,34);
69    melodyY(1,34,56);
70    melodyY(1,0,34);
71     melodyY(1,56,68);
72  }
73  Btn2Read();
74}
75

const int LED_GRN = 8;
const int LED_RED = 6;
const int LED_BLE   = 4;
const int LED_YLW = 2;

const int BUZZER = 13;

const int BTN1   = 5;
const int BTN2 = 3;
const int POT = A0;

const int MeSderM[] [3]   = {{60 ,6, LED_GRN}, {63 ,8, LED_RED}, {67 ,2, LED_BLE}, {66 ,6, LED_BLE}, {63 ,8,   LED_RED}, {60 ,2, LED_GRN}, {60 ,6, LED_GRN}, {63 ,8, LED_RED}, {67 ,6, LED_BLE},   {68 ,8, LED_YLW}, {67 ,8, LED_YLW}, {66 ,6, LED_BLE}, {63 ,6, LED_RED}, {60 ,2,   LED_GRN}, {65 ,6, LED_RED}, {68 ,8, LED_BLE}, {72 ,2, LED_YLW}, {71 ,6, LED_YLW},   {68 ,8, LED_BLE}, {65 ,2, LED_RED}, {60 ,6, LED_GRN}, {63 ,8, LED_BLE}, {67 ,2,   LED_YLW}, {66 ,6, LED_BLE}, {63 ,8, LED_RED}, {60 ,2, LED_GRN}, {68 ,6, LED_YLW},   {67 ,1, LED_BLE}, {67 ,8, LED_BLE}, {65 ,8, LED_RED}, {63 ,8, LED_GRN}, {65 ,8,   LED_RED}, {63 ,8, LED_GRN}, {60 ,1, LED_GRN}, {67 ,6, LED_RED}, {68 ,8, LED_BLE},   {70 ,2, LED_YLW}, {68 ,6, LED_YLW}, {67 ,2, LED_BLE}, {65 ,6, LED_RED}, {63 ,8,   LED_GRN}, {65 ,2, LED_RED}, {63 ,6, LED_GRN}, {62 ,8, LED_RED}, {63 ,2, LED_GRN},   {67 ,6, LED_RED}, {68 ,8, LED_BLE}, {70 ,2, LED_YLW}, {68 ,6, LED_YLW}, {67 ,2,   LED_BLE}, {65 ,6, LED_RED}, {63 ,8, LED_GRN}, {65 ,2, LED_RED}, {63 ,6, LED_GRN},   {65 ,8, LED_RED}, {67 ,1, LED_BLE}, {67 ,8, LED_BLE}, {65 ,8, LED_RED}, {63 ,8,   LED_GRN}, {65 ,8, LED_RED}, {63 ,8, LED_GRN}, {60 ,1, LED_GRN}, {67 ,6, LED_BLE},   {65 ,6, LED_RED}, {63 ,8, LED_GRN}, {65 ,6, LED_RED}, {67 ,6, LED_BLE}, {74 ,1,   LED_YLW}};

const int LEDS[] = {LED_GRN, LED_RED,  LED_BLE, LED_YLW};

int   PotV = 0;
int AntO = 0;
int OctX = 0;

void Btn2Read(){
  if (digitalRead(BTN2)==HIGH){
     OctX=0;
  } 
}

void melodyY(int RepX, int iniX, int endX) {
	for   (int RepI = 0; RepI < RepX; RepI++) {
        for (int thisNote = iniX; thisNote   < endX; thisNote++) {
          PotV = map(analogRead(POT), 0, 1023, -3, 4);
           if (AntO != PotV){
            AntO = PotV;
            OctX = PotV;
           }
          Btn2Read();
          int noteDuration = 1000 / MeSderM[thisNote][1];
           digitalWrite(MeSderM[thisNote][2], HIGH);
          float NteX = MeSderM[thisNote][0]+OctX*12-69;
           NteX = pow(2, NteX/12)*440;
          String str1 = "Eighth: " +   String(4+OctX) + "; Freq: " + String(NteX,3);
          Serial.println(str1);
           tone(BUZZER, NteX, noteDuration);
          int pauseBetweenNotes =   noteDuration * 1.30;
          delay(pauseBetweenNotes*2/3);
          Btn2Read();
           digitalWrite(MeSderM[thisNote][2], LOW);
          delay(pauseBetweenNotes/3);
           Btn2Read();
          noTone(BUZZER);   
        }    
    }
}

void   setup() {
    Serial.begin(9600);

    for(int i=0; i<4; i++){
      pinMode(LEDS[i],   OUTPUT);
      digitalWrite(LEDS[i], LOW);
    }
  pinMode(BTN1, INPUT);
   pinMode(BTN2, INPUT);  
}

void loop() {

  if (digitalRead(BTN1)==HIGH)
   {
    melodyY(2,0,34);
    melodyY(1,34,56);
    melodyY(1,0,34);
     melodyY(1,56,68);
  }
  Btn2Read();
}

Downloadable files

Play musical notes using tone() 🔊🎶🎶🎶

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drakerdg

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