Introduction: Arduino Tutorial 7: Super Mario Bros Theme With Buzzer

Il buzzer è un dispositivo che emette semitoni con una qualità grezza, sotto forma di onda quadra,è impiegato tutt'ora nei pc per indicare gli errori del sistema o del bootloader.

The buzzer is a semitone device with crude quality,in the form of square wave, it is still used on PCs to indicate system or bootloader errors.

Step 1: Progettazione / Design

Il collegamento del buzzer ad Arduino è molto semplice:
Un terminale (quello nero) va a GND, mentre l'altro (quello rosso) va ad un pin di Arduino a scelta (nel mio caso è il 10) .

Materiale Occorrente:

  • Buzzer.

The connection of the buzzer to Arduino is very simple:

A terminal (the black one) goes to GND, while the other (the red one) goes to an Arduino pin of choice (in my case it's 10).

Material Required:
  • Buzzer.

Step 2: Programmazione/Programming

In questo programma vengono usate solo due funzioni specifiche:

  • "tone(nomebuzzer,freq);" dopo aver inserito il nume del pin del buzzer, definiamo la frequenza del suono emesso;
  • "notone(nomebuzzer);" viene fermata la generazione di frequenze sonore, non viene più emesso alcun suono.

Il programma quindi genererà una frequenza sonora di 1000Hz per 1 secondo, ci sarà un'altro secondo di latenza senza alcun suono e poi si ripeterà questo ciclo.

Only two specific functions are used in this program:
  • "tone (namebuzzer, freq);" after inserting the pin number of the buzzer, we define the frequency of the sound emitted;
  • "notone (namebuzzer);" the generation of sound frequencies is stopped, no sound is output anymore.

The program then generates a 1000Hz sound frequency for 1 second, there will be another second of latency without any sound and then repeat this cycle.

#define buzzer  10        //Il buzzer è  connesso al pin 10
void setup()
{
pinMode(buzzer,OUTPUT);
}
void loop()
{
tone(buzzer,1000);     //Si sente un tono sul pin 10 con una frequenza di 1000Hz
delay(1000);               //aspetta  1 secondo
noTone(buzzer);            //non suona
delay(1000);               //aspetta  1 secondo
}

Step 3: Super Mario Bros Theme

Attraverso una forma più sofisticata di programma, andremo a generare la sigla di Super Mario Bros, assegnando ad ogni Nota una frequenza diversa.

Il pin di Arduino per il buzzer è il 10.

ATTENZIONE: Questo non è un programma scritto da me, bensì da un'altro utente.


Through a more sophisticated form of program, we will create the Super Mario Bros Theme, assigning each note a different frequency.
The Arduino's pin of buzzer is 10.
ATTENTION: This is not a program written by me, but by another user.
#define NOTE_B0  31
#define NOTE_C1  33
#define NOTE_CS1 35
#define NOTE_D1  37
#define NOTE_DS1 39
#define NOTE_E1  41
#define NOTE_F1  44
#define NOTE_FS1 46
#define NOTE_G1  49
#define NOTE_GS1 52
#define NOTE_A1  55
#define NOTE_AS1 58
#define NOTE_B1  62
#define NOTE_C2  65
#define NOTE_CS2 69
#define NOTE_D2  73
#define NOTE_DS2 78
#define NOTE_E2  82
#define NOTE_F2  87
#define NOTE_FS2 93
#define NOTE_G2  98
#define NOTE_GS2 104
#define NOTE_A2  110
#define NOTE_AS2 117
#define NOTE_B2  123
#define NOTE_C3  131
#define NOTE_CS3 139
#define NOTE_D3  147
#define NOTE_DS3 156
#define NOTE_E3  165
#define NOTE_F3  175
#define NOTE_FS3 185
#define NOTE_G3  196
#define NOTE_GS3 208
#define NOTE_A3  220
#define NOTE_AS3 233
#define NOTE_B3  247
#define NOTE_C4  262
#define NOTE_CS4 277
#define NOTE_D4  294
#define NOTE_DS4 311
#define NOTE_E4  330
#define NOTE_F4  349
#define NOTE_FS4 370
#define NOTE_G4  392
#define NOTE_GS4 415
#define NOTE_A4  440
#define NOTE_AS4 466
#define NOTE_B4  494
#define NOTE_C5  523
#define NOTE_CS5 554
#define NOTE_D5  587
#define NOTE_DS5 622
#define NOTE_E5  659
#define NOTE_F5  698
#define NOTE_FS5 740
#define NOTE_G5  784
#define NOTE_GS5 831
#define NOTE_A5  880
#define NOTE_AS5 932
#define NOTE_B5  988
#define NOTE_C6  1047
#define NOTE_CS6 1109
#define NOTE_D6  1175
#define NOTE_DS6 1245
#define NOTE_E6  1319
#define NOTE_F6  1397
#define NOTE_FS6 1480
#define NOTE_G6  1568
#define NOTE_GS6 1661
#define NOTE_A6  1760
#define NOTE_AS6 1865
#define NOTE_B6  1976
#define NOTE_C7  2093
#define NOTE_CS7 2217
#define NOTE_D7  2349
#define NOTE_DS7 2489
#define NOTE_E7  2637
#define NOTE_F7  2794
#define NOTE_FS7 2960
#define NOTE_G7  3136
#define NOTE_GS7 3322
#define NOTE_A7  3520
#define NOTE_AS7 3729
#define NOTE_B7  3951
#define NOTE_C8  4186
#define NOTE_CS8 4435
#define NOTE_D8  4699
#define NOTE_DS8 4978
 
#define melodyPin 10
//Mario main theme melody
int melodia[] = {
  NOTE_E7, NOTE_E7, 0, NOTE_E7,
  0, NOTE_C7, NOTE_E7, 0,
  NOTE_G7, 0, 0,  0,
  NOTE_G6, 0, 0, 0,
 
  NOTE_C7, 0, 0, NOTE_G6,
  0, 0, NOTE_E6, 0,
  0, NOTE_A6, 0, NOTE_B6,
  0, NOTE_AS6, NOTE_A6, 0,
 
  NOTE_G6, NOTE_E7, NOTE_G7,
  NOTE_A7, 0, NOTE_F7, NOTE_G7,
  0, NOTE_E7, 0, NOTE_C7,
  NOTE_D7, NOTE_B6, 0, 0,
 
  NOTE_C7, 0, 0, NOTE_G6,
  0, 0, NOTE_E6, 0,
  0, NOTE_A6, 0, NOTE_B6,
  0, NOTE_AS6, NOTE_A6, 0,
 
  NOTE_G6, NOTE_E7, NOTE_G7,
  NOTE_A7, 0, NOTE_F7, NOTE_G7,
  0, NOTE_E7, 0, NOTE_C7,
  NOTE_D7, NOTE_B6, 0, 0
};
//Mario main them tempo
int tempo[] = {
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
 
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
 
  9, 9, 9,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
 
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
 
  9, 9, 9,
  12, 12, 12, 12,
  12, 12, 12, 12,
  12, 12, 12, 12,
};
//Underworld melody
int underworld_melody[] = {
  NOTE_C4, NOTE_C5, NOTE_A3, NOTE_A4,
  NOTE_AS3, NOTE_AS4, 0,
  0,
  NOTE_C4, NOTE_C5, NOTE_A3, NOTE_A4,
  NOTE_AS3, NOTE_AS4, 0,
  0,
  NOTE_F3, NOTE_F4, NOTE_D3, NOTE_D4,
  NOTE_DS3, NOTE_DS4, 0,
  0,
  NOTE_F3, NOTE_F4, NOTE_D3, NOTE_D4,
  NOTE_DS3, NOTE_DS4, 0,
  0, NOTE_DS4, NOTE_CS4, NOTE_D4,
  NOTE_CS4, NOTE_DS4,
  NOTE_DS4, NOTE_GS3,
  NOTE_G3, NOTE_CS4,
  NOTE_C4, NOTE_FS4, NOTE_F4, NOTE_E3, NOTE_AS4, NOTE_A4,
  NOTE_GS4, NOTE_DS4, NOTE_B3,
  NOTE_AS3, NOTE_A3, NOTE_GS3,
  0, 0, 0
};
//Underwolrd tempo
int underworld_tempo[] = {
  12, 12, 12, 12,
  12, 12, 6,
  3,
  12, 12, 12, 12,
  12, 12, 6,
  3,
  12, 12, 12, 12,
  12, 12, 6,
  3,
  12, 12, 12, 12,
  12, 12, 6,
  6, 18, 18, 18,
  6, 6,
  6, 6,
  6, 6,
  18, 18, 18, 18, 18, 18,
  10, 10, 10,
  10, 10, 10,
  3, 3, 3
};
 
void setup(void)
{
  pinMode(3, OUTPUT);
  pinMode(13, OUTPUT);
 
}
void loop()
{
  //sing the tunes
  sing(1);
  sing(1);
  sing(2);
}
int song = 0;
 
void sing(int s) {
  
  song = s;
  if (song == 2) {
    Serial.println(" 'Underworld Theme'");
    int size = sizeof(underworld_melody) / sizeof(int);
    for (int thisNote = 0; thisNote < size; thisNote++) {
 
      int duratanota = 1000 / underworld_tempo[thisNote];
 
      buzz(melodyPin, underworld_melody[thisNote], duratanota);
 
      
      int pauseBetweenNotes = duratanota * 1.30;
      delay(pauseBetweenNotes);
 
      
      buzz(melodyPin, 0, duratanota);
 
    }
 
  } else {
 
    Serial.println(" 'Mario Theme'");
    int size = sizeof(melodia) / sizeof(int);
    for (int thisNote = 0; thisNote < size; thisNote++) {
 
     
      int duratanota = 1000 / tempo[thisNote];
 
     buzz(melodyPin, melodia[thisNote], duratanota);
 
      
      int pauseBetweenNotes = duratanota * 1.30;
      delay(pauseBetweenNotes);
 
        buzz(melodyPin, 0, duratanota);
 
    }
  }
}
 
void buzz(int targetPin, long frequency, long length) {
  digitalWrite(13, HIGH);
  long delayValue = 1000000 / frequency / 2; <br>
<p>long numCycles = frequency * length / 1000;</p><p>for (long i = 0; i < numCycles; i++) { <br>    digitalWrite(targetPin, HIGH); 
    delayMicroseconds(delayValue); 
    digitalWrite(targetPin, LOW); 
    delayMicroseconds(delayValue); 
  }
  digitalWrite(13, LOW);
 
}</p>