int ledPin=13;
int inputPin=2;
int pirstate=LOW;
int val=0;


void setup() {
  // put your setup code here, to run once:
pinMode(ledPin, OUTPUT);
pinMode(inputPin, INPUT);
Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
val=digitalRead(inputPin);
if(val==HIGH){
digitalWrite(ledPin, HIGH);
if(pirstate==LOW){
  Serial.println("Gerakan Terdekteksi");
  pirstate=HIGH;

}
}else{
  digitalWrite(ledPin, LOW);
  if(pirstate==HIGH){
    Serial.println("Tidak ada Gerakan Terdekteksi");
    pirstate=LOW;
  }
}
}