int pirpin = 2;
int led = 9;

void setup() {
  // put your setup code here, to run once:
Serial.begin(1900);
pinMode(led, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
int pirvalue = digitalRead(pirpin);

Serial.print("value : ");
Serial.print(pirvalue);
delay(200);

  if(pirvalue == 1)
  {
    Serial.println("terdeteksi pergerakan");
    digitalWrite(led, HIGH);
    delay(203);
  }else{
    digitalWrite(led, LOW);
  }
}