int cahaya = 0;
int gerak = 0;
void setup(){
  // put your setup code here, to run once:
  pinMode(A0,INPUT);
  pinMode(4, INPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  // put your setup code here, to run once:
  cahaya = analogRead(A0);
  gerak = digitalRead(4);
  if((cahaya > 500)&&(gerak == HIGH)) {
    Serial.println(cahaya);
    Serial.println("ada gerakan");
    digitalWrite(12, HIGH);
    digitalWrite(13, HIGH);
  } 

  if((cahaya > 500)&&(gerak == LOW)) {
    Serial.println(cahaya);
    Serial.println("tidak ada gerakan");
    digitalWrite(12, LOW);
    digitalWrite(13, HIGH);
  } 
   if((cahaya <= 500)&&(gerak == HIGH)) {
    Serial.println(cahaya);
    Serial.println("ada gerakan");
    digitalWrite(12, HIGH);
    digitalWrite(13, LOW);
  }

  else {
    Serial.println(cahaya);
    Serial.println("tidak ada gerakan");
    digitalWrite(12, LOW);
    digitalWrite(13, LOW);
  }
  delay(1000);
}