Noteiro BL700 , Arduino e Interface Teclado

Ah legal nao sabia que seria tranquilo assim, você me ajudou muito, no caso o noteiro trabalha com notas de 2,5, 10, 20, 50, teria que usar da seguinte forma?

case 2: digitalWrite(LED, HIGH); //caso 2 reais, pisca LED no pino 13 duas vezes
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
contador = 0; //zera o contador
break;

case 5: digitalWrite(LED, HIGH); //caso 2 reais, pisca LED no pino 13 tres vezes
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000)
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
contador = 0; //zera o contador
break;

case 10: digitalWrite(LED, HIGH); //caso 2 reais, pisca LED no pino 13 quatro vezes
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW); delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW); delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
contador = 0; //zera o contador
break;

case 20: digitalWrite(LED, HIGH); //caso 2 reais, pisca LED no pino 13 cinco vezes
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
contador = 0; //zera o contador
break;

case 50: digitalWrite(LED, HIGH); //caso 50 reais, pisca LED no pino 13 seis vezes
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
delay(1000);
digitalWrite(LED, HIGH);
delay(1000);
digitalWrite(LED, LOW);
contador = 0; //zera o contador
break;