int pirpin = 2;
int PIRstatus = 0;

void setup() {
  // put your setup code here, to run once:
pinMode(2, INPUT);
pinMode(4, OUTPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
PIRstatus = digitalRead(pirpin);
if(PIRstatus == HIGH){
  Serial.println("Ada Gerakan");
  digitalWrite(4, HIGH);
  delay(30);
}
else{
  Serial.println("Tidak Ada Gerakan");
  digitalWrite(4, LOW);
}
delay(300);
}