int PIR = 4;
int statusPin = 0;


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

}

void loop()
  // put your main code here, to run repeatedly:
{
statusPin = digitalRead(PIR);
if (statusPin == HIGH)
{
Serial.println("Gerakan terdeteksi");
}
else
{
  Serial.println("Tidak ada gerakan");
}
}