// Deteksi Gerakan
// Menggunakan Sensor PIR dan 
// Indikator LED

int led = 13;                
int pir = 2;               
int state = LOW;             
int val = 0;                    

void setup() {
  pinMode(led, OUTPUT);      
  pinMode(pir, INPUT);     
  Serial.begin(9600);
}

void loop() {
  val = digitalRead(pir);  
  if (val == HIGH) {            
    digitalWrite(led, HIGH);
    Serial.println("Gerakan Terdeteksi!!"); 
    if (state == LOW) {
      state = HIGH;
    } delay(250);
  } else {
    digitalWrite(led, LOW);
    Serial.println("Tidak Terdeteksi Gerakan . . .");
    if (state == HIGH) {
      state = LOW;
    } delay(1000);
  }
}