byte inSer, str;
void setup() {
   pinMode(A5, OUTPUT);
   pinMode(A4, OUTPUT);
   pinMode(A3, OUTPUT);
   Serial.begin(9600);
   Serial.println("Kontrol LED via PC");
}
  
void loop() {
  inSer = Serial.read();//membaca kode A5CII
  str = char (inSer);//Mengubah data A5CII ke string
  switch(str){
  case('1'):
    digitalWrite(A5, HIGH);delay(1000);digitalWrite(A5, LOW);
    digitalWrite(A4, HIGH);delay(1000);digitalWrite(A4, LOW);
    digitalWrite(A3, HIGH);delay(1000);digitalWrite(A3, LOW);
    digitalWrite(A4, HIGH);delay(1000);digitalWrite(A4, LOW);
    digitalWrite(A5, HIGH);delay(1000);digitalWrite(A5, LOW);
    Serial. println("BLINK1"); break;
  case('2'):
    digitalWrite(A5, HIGH);digitalWrite(A4, HIGH);digitalWrite(A3, HIGH);delay(1000);
    digitalWrite(A5, LOW);digitalWrite(A4, LOW);digitalWrite(A3, LOW);delay(1000);
    digitalWrite(A5, HIGH);digitalWrite(A4, HIGH);digitalWrite(A3, HIGH);delay(1000);
    digitalWrite(A5, LOW);digitalWrite(A4, LOW);digitalWrite(A3, LOW);delay(1000);
    Serial. println("BLINK2"); break;
 
  }
}