BNS Curso Arduino

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/* Cap-19 BUZZER´s PASIVOS Y ACTIVOS */

CLASE

LAMINAS

SKETCH Lab -11

Prueba Buzzer Pasivos

/*******************************************

*******************************************

*** TONO PARA BUZZER PASIVO ***

*** Ing. Brain Naser Soto ***

*** ***

*** WWW.NASER.CL ***

*******************************************

******************************************/

int Buzzer =5;

int i=0;

void setup(){

pinMode (Buzzer, OUTPUT); // Salida al Buzzer

}

void loop() {

for (i=0; i<255; i++){

analogWrite (Buzzer, i);

delay (50);

}

delay (2000);

}

SKETCH Lab -11a

Activación Buzzer Activo

*******************************************

*** BUZZER ACTIVO ***

*** Ing. Brain Naser Soto ***

*** ***

*** WWW.NASER.CL ***

*******************************************

******************************************/

void setup()

{

pinMode (2, INPUT); // Switch, Pull Up

pinMode (5, OUTPUT); // Salida al Buzzer

}

void loop() {

boolean sw = digitalRead (2);

if (sw == LOW){

digitalWrite (5, HIGH); // enciende el buzzer

delay (500); // espera medio segundo

digitalWrite (5,LOW); // Apaga el Buzzer

delay (200); // 0,2 segundos de espera a la próxima presión del Switch

}

SKETCH Lab -11b

Buzzer Activo Tren de Tonos

/********************************************

********************************************

*** BUZZER ACTIVO Lab 11b. Tren de Tonos ***

*** Ing. Brain Naser Soto ***

*** ***

*** WWW.NASER.CL ***

********************************************

*******************************************/

void setup()

{

pinMode (2, INPUT); // Switch, Pull Up

pinMode (5, OUTPUT); // Salida al Buzzer

}

void loop() {

boolean sw = digitalRead (2);

if (sw == LOW)

{

for (int b=0; b<4; b++){

digitalWrite (5, HIGH); // enciende el buzzer

delay (300); // espera medio segundo

digitalWrite (5,LOW); // Apaga el Buzzer

delay (300); // 0,2 segundos de espera a la próxima presión del Switch

}

SKETCH Lab -11c

Buzzer Pasivo Generación de Tonos

/********************************************

********************************************

*** BUZZER PASIVO Lab 11c. Tonos ***

*** Ing. Brain Naser Soto ***

*** ***

*** WWW.NASER.CL ***

********************************************

*******************************************/

// función tone (pin,frecuencia,duracion);

// función noTone (pin);

//** pin, puede ser cualquiera, no requiere PWM

//** frecuencia, debe expresarse en Hz.

//** duración, en mS.

int pausa = 150;

void setup()

{

pinMode (2, INPUT); // Switch, Pull Up

pinMode (5, OUTPUT); // Salida al Buzzer

}

void loop() {

tone (5,1000,500);

delay (pausa);

tone (5,1500,500);

delay (pausa);

tone (5,2000,500);

delay (pausa);

tone (5,2500,500);

delay (pausa);

tone (5,3000,500);

delay (pausa);

tone (5,3500,500);

delay (pausa);

}

SKETCH Lab -11d

Buzzer Pasivo - Feliz Cumpleaños

Happy Birthday

Connect a piezo buzzer or speaker to pin 11 or select a new pin.

More songs available at https://github.com/robsoncouto/arduino-songs

Robson Couto, 2019

#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 REST 0

// change this to make the song slower or faster

int tempo = 140;

// change this to whichever pin you want to use

int buzzer = 11;

// notes of the moledy followed by the duration.

// a 4 means a quarter note, 8 an eighteenth , 16 sixteenth, so on

// !!negative numbers are used to represent dotted notes,

// so -4 means a dotted quarter note, that is, a quarter plus an eighteenth!!

int melody[] = {

// Happy Birthday

// Score available at https://musescore.com/user/8221/scores/26906

NOTE_C4,4, NOTE_C4,8,

NOTE_D4,-4, NOTE_C4,-4, NOTE_F4,-4,

NOTE_E4,-2, NOTE_C4,4, NOTE_C4,8,

NOTE_D4,-4, NOTE_C4,-4, NOTE_G4,-4,

NOTE_F4,-2, NOTE_C4,4, NOTE_C4,8,

NOTE_C5,-4, NOTE_A4,-4, NOTE_F4,-4,

NOTE_E4,-4, NOTE_D4,-4, NOTE_AS4,4, NOTE_AS4,8,

NOTE_A4,-4, NOTE_F4,-4, NOTE_G4,-4,

NOTE_F4,-2,

};

// sizeof gives the number of bytes, each int value is composed of two bytes (16 bits)

// there are two values per note (pitch and duration), so for each note there are four bytes

int notes = sizeof(melody) / sizeof(melody[0]) / 2;

// this calculates the duration of a whole note in ms

int wholenote = (60000 * 4) / tempo;

int divider = 0, noteDuration = 0;

void setup() {

// iterate over the notes of the melody.

// Remember, the array is twice the number of notes (notes + durations)

for (int thisNote = 0; thisNote < notes * 2; thisNote = thisNote + 2) {

// calculates the duration of each note

divider = melody[thisNote + 1];

if (divider > 0) {

// regular note, just proceed

noteDuration = (wholenote) / divider;

} else if (divider < 0) {

// dotted notes are represented with negative durations!!

noteDuration = (wholenote) / abs(divider);

noteDuration *= 1.5; // increases the duration in half for dotted notes

}

// we only play the note for 90% of the duration, leaving 10% as a pause

tone(buzzer, melody[thisNote], noteDuration * 0.9);

// Wait for the specief duration before playing the next note.

delay(noteDuration);

// stop the waveform generation before the next note.

noTone(buzzer);

}

void loop() {

// no need to repeat the melody.

// iterate over the notes of the melody.

// Remember, the array is twice the number of notes (notes + durations)

for (int thisNote = 0; thisNote < notes * 2; thisNote = thisNote + 2) {

// calculates the duration of each note

divider = melody[thisNote + 1];

if (divider > 0) {

// regular note, just proceed

noteDuration = (wholenote) / divider;

} else if (divider < 0) {

// dotted notes are represented with negative durations!!

noteDuration = (wholenote) / abs(divider);

noteDuration *= 1.5; // increases the duration in half for dotted notes

}

// we only play the note for 90% of the duration, leaving 10% as a pause

tone(buzzer, melody[thisNote], noteDuration * 0.9);

// Wait for the specief duration before playing the next note.

delay(noteDuration);

// stop the waveform generation before the next note.

noTone(buzzer);

}

Otras canciones para Buzzer Pasivos, aquí