int pirpin = 4;
int PIRstatus = 0;

void setup() {
  // put your setup code here, to run once:
pinMode(4, INPUT);
pinMode(5, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
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);
if (PIRstatus == HIGH){
  Serial.println("GERAKAN TERDETEKSI");
  digitalWrite(7, HIGH);
  delay(1000);
}
if(PIRstatus == LOW){
  Serial.println("TIDAK ADA GERAKAN");
  digitalWrite(7, LOW);
}
delay(500);

if (PIRstatus == HIGH){
  Serial.println("GERAKAN TERDETEKSI");
  digitalWrite(8, HIGH);
  delay(1000);
}
if(PIRstatus == LOW){
  Serial.println("TIDAK ADA GERAKAN");
  digitalWrite(8, LOW);
}
delay(500);
}

// konsep ini kita praktikkan pada kamar mandi  
//lampu otomatis digunakan untuk mengurangi konsleting
// apabila tangan kita lembab kita tidak perlu mematikan saklar