int motion = 0;
int pir = false;

void setup() {
  Serial.begin(9600);
  pinMode(motion, INPUT);
  for(int i = 1; i <= 13; i++){
    pinMode(i, OUTPUT);
  }
}

void loop() {
  int val = digitalRead(motion);
  if(val == HIGH){
  Serial.println("Te");
    if(!pir){
    Serial.println("Motion!");
    pir = true;
    for(int i = 1; i <= 13; i++){
      digitalWrite(i, HIGH);
      delay(200);
      digitalWrite(i, LOW);
    }
    delay(100);
    for(int i = 13; i >= 1; i--){
      digitalWrite(i, HIGH);
      delay(200);
      digitalWrite(i, LOW);
    }
  }
  else{
    if(pir){
      Serial.println("No Motion!");
    }
    pir = false;
  }
  }
}