Programa para controle de um display de 7 segmentos com Buzzer

 

Montagem do Circuito:

/*

 * programa para controlar um display de 7 segmentos

 *   C4

 * B3  D5

 *   A2

 * E6  G8

 *   F7   H9

 */

#define A2 2

#define B3 3

#define C4 4

#define D5 5

#define E6 6

#define F7 7

#define G8 8

#define H9 9

int tempo = 1000;

#define buzzer 12

void setup() {

pinMode(A2,OUTPUT);

pinMode(B3,OUTPUT);

pinMode(C4,OUTPUT);

pinMode(D5,OUTPUT);

pinMode(E6,OUTPUT);

pinMode(F7,OUTPUT);

pinMode(G8,OUTPUT);

pinMode(H9,OUTPUT);

pinMode(buzzer,OUTPUT);

}

void loop() {

  tempo = tempo - 50;

  for (int i = 0; i < 10; i++) {

    

    switch (i) {

    

  case 0:

  zero();

  break;

  

  case 1:

  um();

  break;

  

  case 2:

  dois();

  break;

  

  case 3:

  tres();

  break;

  

  case 4:

  quatro();

  break;

  

  case 5:

  cinco();

  break;

  

  case 6:

  seis();

  break;

    

  case 7:

  sete();

  break;  

  

  case 8:

  oito();

  break; 

   

  case 9:

  nove();

  break;

    }

  //limpa();

  Buzzer(2500);

  delay(tempo);  

}

}

void limpa(){

  digitalWrite(A2, LOW);

  digitalWrite(B3, LOW);

  digitalWrite(C4, LOW);

  digitalWrite(D5, LOW);

  digitalWrite(E6, LOW);

  digitalWrite(F7, LOW);

  digitalWrite(G8, LOW);

  digitalWrite(H9, LOW);

}

void zero(){

  digitalWrite(A2, LOW);

  digitalWrite(B3, HIGH);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, HIGH);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, HIGH);

  

}

void um(){

  digitalWrite(A2, LOW);

  digitalWrite(B3, LOW);

  digitalWrite(C4, LOW);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, LOW);

  digitalWrite(F7, LOW);

  digitalWrite(G8, HIGH);

  

}

void dois(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, LOW);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, HIGH);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, LOW);

  

}

void tres(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, LOW);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, LOW);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, HIGH);

  

}

void quatro(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, HIGH);

  digitalWrite(C4, LOW);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, LOW);

  digitalWrite(F7, LOW);

  digitalWrite(G8, HIGH);

  

}

void cinco(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, HIGH);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, LOW);

  digitalWrite(E6, LOW);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, HIGH);

}

void seis(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, HIGH);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, LOW);

  digitalWrite(E6, HIGH);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, HIGH);

  

}

void sete(){

  digitalWrite(A2, LOW);

  digitalWrite(B3, LOW);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, LOW);

  digitalWrite(F7, LOW);

  digitalWrite(G8, HIGH);

  

}

void oito(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, HIGH);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, HIGH);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, HIGH);

  

}

void nove(){

  digitalWrite(A2, HIGH);

  digitalWrite(B3, HIGH);

  digitalWrite(C4, HIGH);

  digitalWrite(D5, HIGH);

  digitalWrite(E6, LOW);

  digitalWrite(F7, HIGH);

  digitalWrite(G8, HIGH);

}

void ponto(){

  digitalWrite(H9, HIGH);

}

void Buzzer(int Freq){

  tone(buzzer,Freq,100);

}