buzzer無源蜂鳴器

int sp=2;
int i,j;
int notes[]={262,294,329,349,392,440,493,523};
int delaytime1=300;
int delaytime2=50;
void setup()
{
  for(i=0;i<8;i++)
  {
    tone(sp,notes[i],300);
    delay(delaytime1);
    noTone(sp);
    delay(delaytime2);
  }
}
void loop()
{
}