int pirpin = 4;
int PIRstatus = 0;

void setup() {
pinMode(4, INPUT);
pinMode(5, OUTPUT);
Serial.begin(9600);
}
void loop() {
PIRstatus = digitalRead(pirpin);
if (PIRstatus == HIGH){
  Serial.println("GERAKAN TERDETEKSI");
  digitalWrite(5, HIGH);
  delay(1000);
}
if(PIRstatus == LOW){
  Serial.println("TIDAK ADA GERAKAN");
  digitalWrite(5, LOW);
}
delay(500);
}