udp.c

udp.c

int incomingByte = 0;
int nov = 12;
int numberOfBytes = 0;
int rta = 13;

void getLastByte(){
  for(int i = 0; i < numberOfBytes; i++){
    incomingByte = Serial.read();
  }
}

void setup() {                
  pinMode(nov, OUTPUT);
  pinMode(rta, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  numberOfBytes = Serial.available();
  if(numberOfBytes > 0){
    getLastByte();    
    if(incomingByte == 'x'){
      digitalWrite(rta, HIGH);
    }
    else if(incomingByte == 'y'){
      digitalWrite(nov, HIGH);
    }
    else if(incomingByte == 'z'){
      digitalWrite(nov, HIGH);
      digitalWrite(rta, HIGH);
    }
  }
  delay(3000);
  digitalWrite(nov, LOW);
  digitalWrite(rta, LOW);
}