Physik

I=U:R

U=RxI

R=U:I

I=Stomstärke (Wird in A angegeben)

R=Widerstand (Wird in Ω angegeben)

U=Spannung (Wird in V angegeben)

void setup()
{
  pinMode(13,OUTPUT);
  pinMode(7,INPUT);
}
void loop()
{
  if(digitalRead(7) == HIGH)
  {
    tone(2,262,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,330,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,392,1600);delay(1620);
    tone(2,392,1600);delay(1620);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,392,3200);delay(3240);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,440,800);delay(810);
    tone(2,392,3200);delay(3240);
    tone(2,349,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,349,800);delay(810);
    tone(2,330,1600);delay(1620);
    tone(2,330,1600);delay(1620);
    tone(2,294,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,294,800);delay(810);
    tone(2,262,3200);delay(3240);
    }
  else
  {
    tone(2,344,1000);delay(1100);
  }
}

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