#define PIR 15
#define LED 12
int state = LOW;

void setup() {
  Serial.begin(115200);
  pinMode(LED, OUTPUT);
  pinMode(PIR, INPUT);
}

void loop() {
  if(digitalRead(PIR) == HIGH ) {
    digitalWrite(LED, HIGH);
    if (state == LOW) {
      Serial.println("Gerakan Terdeteksi!");
      state = HIGH;
    }
  } else {
    digitalWrite(LED, LOW);
    if(state == HIGH) {
      Serial.println("Tidak Ada Gerakan!");
      state = LOW;
    }
  }
}