#define pinPIR 2
int nilai = 0;

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

void loop() {
  // put your main code here, to run repeatedly:
  nilai = digitalRead(pinPIR);
  if (nilai == LOW) {
    Serial.println("Nobody");
  } else {
    Serial.println("SETAN!");
  }
  delay(500);
}