const byte PINLED = 27;           
const byte PIRSENSOR = 4;        

void setup() {

  Serial.begin(115200);           
  pinMode(PINLED, OUTPUT);         
  pinMode(PIRSENSOR, INPUT);      
}

void loop() {
  bool state = digitalRead(PIRSENSOR);  
  Serial.println("Nilai terbaca: " + String(state)); 
  
  if(state == HIGH) {  
    digitalWrite(PINLED, HIGH);  
  } else {
    digitalWrite(PINLED, LOW);  
  }

  delay(100);  
}