Katie 1. Buzzer

SKEEM:

KASUTATUD KOMPONEENDID:

KOOD:

// Meloodiate mängimine.

// Käsk Arduino tone() - noote tihedus.

// Noodid:

// note 	frequency

// c     262 Hz

// d     294 Hz

// e     330 Hz

// f     349 Hz

// g     392 Hz

// a     440 Hz

// b     494 Hz

// C     523 Hz

const int buzzerPin = 9;

// pikkus on nootide ja pausite koguste summa

const int songLength = 18;

char notes[] = "cdfda ag cdfdg gf "; // tähed on noodid ja tühik on paus

// Rütmi seadistamine.

int beats[] = {1,1,1,1,1,1,4,4,2,1,1,1,1,1,1,4,4,2};

// "tempo" meloodia kiirus. Kui väiksem tempo_ siis suurem kiirus.

int tempo = 150;

void setup() 

{

  pinMode(buzzerPin, OUTPUT);

}

void loop() 

{

  int i, duration;

  for (i = 0; i < songLength; i++)

  {

    duration = beats[i] * tempo; 

    if (notes[i] == ' ')          // kui noot puudub

    {

      delay(duration);          

    }

    else                         

    {

      tone(buzzerPin, frequency(notes[i]), duration);

      delay(duration);          

    }

    delay(tempo/10);              // väike paus nootide vahel

  }

  while(true){}

}

int frequency(char note) 

{

  int i;

  const int numNotes = 8;  // nootide kogus

  char names[] = { 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'C' };

  int frequencies[] = {262, 294, 330, 349, 392, 440, 494, 523};

  // kui noot on olemas, siis tagastame selle tiheduse 

  for (i = 0; i < numNotes; i++)  

  {

    if (names[i] == note)       

    {

      return(frequencies[i]);    

    }

  }

  return(0); 

}

PRAKTILINE ÜLESANNE, BUZZERI KASUTAMINE:

SKEEM:

KASUTATUD KOMPONENDID:

• 22 juhtmed
• 1 pieso
• 1 resistoor
• 1 LCD ekraan
• 1 Arduino plaat
• 1 potentsioomeeter

KOOD:

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
const int buzzerPin = 9;
int tempo = 150;
const int NOTE_C4 = 262;
const int NOTE_D4 = 294;
const int NOTE_E4 = 330;
const int NOTE_F4 = 349;
const int NOTE_G4 = 392;
const int NOTE_A4 = 440;
const int NOTE_B4 = 494;
int sensorPin = 0;
int sensorValue = 0;
int Value_new;
String name1 = "Twinkle";
String name2 = "Jingle Bells";
String name3 = "have a good day";

int melody[] = {
  NOTE_C4, NOTE_C4, NOTE_G4, NOTE_G4, NOTE_A4, NOTE_A4, NOTE_G4,
  NOTE_F4, NOTE_F4, NOTE_E4, NOTE_E4, NOTE_D4, NOTE_D4, NOTE_C4
};

int durations[] = {
  4, 4, 4, 4, 4, 4, 2, // Первые 7 нот
  4, 4, 4, 4, 4, 4, 2  // Следующие 7 нот
};


void setup()
{
  Serial.begin(9600);
  lcd.begin(16, 2);
}


void music1(){
  int melodyLength = sizeof(melody) / sizeof(melody[0]);
  for (int i = 0; i < melodyLength; i++) {
    int noteDuration = 1000 / durations[i];  
    tone(buzzerPin, melody[i], noteDuration);  
    int pauseDuration = noteDuration * 1.3;  
    delay(pauseDuration);  
    noTone(buzzerPin);  
  }
}
  
void mucic1_name() {
  lcd.setCursor(0,0);
  lcd.clear();
  lcd.print(name1);
  for(int i =0; i<16-name1.length(); i++)
  {

    lcd.scrollDisplayRight();
    delay(200);
  } 
  lcd.clear();
  lcd.setCursor(15-name1.length(),1);
  lcd.print(name1);
  for(int j =1; j<16-name1.length(); j++)
  {

    lcd.scrollDisplayLeft();
    delay(200);
  }
  lcd.clear();


}  
  
void music2(){
  const int NOTE_E4 = 330;
  const int NOTE_G4 = 392;
  const int NOTE_A4 = 440;
  const int NOTE_B4 = 494;
  const int NOTE_D5 = 587;
  const int NOTE_E5 = 659;
  int melody[] = {
  NOTE_E4, NOTE_E4, NOTE_E4, 
  NOTE_E4, NOTE_E4, NOTE_E4, 
  NOTE_E4, NOTE_G4, NOTE_C4, NOTE_D4, NOTE_E4, 
  NOTE_F4, NOTE_F4, NOTE_F4, 
  NOTE_F4, NOTE_E4, NOTE_E4, 
  NOTE_E4, NOTE_E4, NOTE_D4, NOTE_D4, NOTE_E4, NOTE_D4, NOTE_G4 
};
  int durations[] = {
  4, 4, 4, 4, 4, 4, 2,
  4, 4, 4, 4, 4, 2,
  4, 4, 4, 4, 4, 4, 2,
  4, 4, 4, 4, 4
};
 int melodyLength = sizeof(melody) / sizeof(melody[0]);
  for (int i = 0; i < melodyLength; i++) {
    int noteDuration = 1000 / durations[i];  
    tone(buzzerPin, melody[i], noteDuration);  
    int pauseDuration = noteDuration * 1.3; 
    delay(pauseDuration); 
    noTone(buzzerPin);  
  }
}

void music2_name(){
  lcd.setCursor(0,0);
  lcd.clear();
  lcd.print(name2);
  for(int i =0; i<16-name2.length(); i++)
  {

    lcd.scrollDisplayRight();
    delay(200);
  } 
  lcd.clear();
  lcd.setCursor(15-name2.length(),1);
  lcd.print(name2);
  for(int j =1; j<16-name2.length(); j++)
  {

    lcd.scrollDisplayLeft();
    delay(200);
  }
  lcd.clear();

  
}

void goodbye() {
    lcd.setCursor(0,0);
  lcd.clear();
  lcd.print(name3);
  for(int i =0; i<16-name3.length(); i++)
  {

    lcd.scrollDisplayRight();
    delay(200);
  } 
  lcd.clear();
  lcd.setCursor(15-name3.length(),1);
  lcd.print(name3);
  for(int j =1; j<16-name3.length(); j++)
  {

    lcd.scrollDisplayLeft();
    delay(200);
  }
  lcd.clear();

  
}


void loop() {
 

   Value_new = analogRead(sensorPin);
    Serial.print(Value_new);
    Value_new = map(Value_new, 0, 1023, 1, 3);
  if (Value_new == 1) {
    music2_name();
    music2();
    delay(2000);
  }  else {
    goodbye();
  }
    
    
}

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