Arduino Code For Mini Piano

 

#define T_C 262

#define T_D 294

#define T_E 330

#define T_F 349

#define T_G 392

#define T_A 440

#define T_B 493

const int C = 10;

const int D = 9;

const int E = 8;

const int F = 7;

const int G = 6;

const int A = 5;

const int B = 4;

const int Buzz = 11;

const int LED = 13;

void setup()

{

  pinMode(LED, OUTPUT);

  pinMode(C, INPUT);

  digitalWrite(C,HIGH);

  

  pinMode(D, INPUT);

  digitalWrite(D,HIGH);

  

  pinMode(E, INPUT);

  digitalWrite(E,HIGH);

  

  pinMode(F, INPUT);

  digitalWrite(F,HIGH);

  

  pinMode(G, INPUT);

  digitalWrite(G,HIGH);

  

  pinMode(A, INPUT);

  digitalWrite(A,HIGH);

  

  pinMode(B, INPUT);

  digitalWrite(B,HIGH);

   digitalWrite(LED,LOW);

}

void loop()

{

  while(digitalRead(C) == LOW)

  {

    tone(Buzz,T_C);

    digitalWrite(LED,HIGH);

  }

  while(digitalRead(D) == LOW)

  {

    tone(Buzz,T_D);

    digitalWrite(LED,HIGH);

  }

  while(digitalRead(E) == LOW)

  {

    tone(Buzz,T_E);

    digitalWrite(LED,HIGH);

  }

  while(digitalRead(F) == LOW)

  {

    tone(Buzz,T_F);

    digitalWrite(LED,HIGH);

  }

  while(digitalRead(G) == LOW)

  {

    tone(Buzz,T_G);

    digitalWrite(LED,HIGH);

  }

  while(digitalRead(A) == LOW)

  {

    tone(Buzz,T_A);

    digitalWrite(LED,HIGH);

  }

  while(digitalRead(B) == LOW)

  {

    tone(Buzz,T_B);

    digitalWrite(LED,HIGH);

  }

  noTone(Buzz);

  digitalWrite(LED,LOW);

}