int led2 = 13;
int led = 12;
int ldr = A0;
int cahaya = 0;
int pir = 2;
int gerak = 0;

void setup() {
Serial.begin(9600);
pinMode(led, OUTPUT);
pinMode(ldr, INPUT);
pinMode(pir, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
cahaya = analogRead(A0);
gerak = digitalRead(2);
if ((cahaya > 500) && (gerak == HIGH)) {
digitalWrite(led, HIGH);
digitalWrite(led2, HIGH);
Serial.println("cahaya terpenuhi =");
Serial.print(cahaya);
}
else{
  digitalWrite(led, LOW);
  digitalWrite(led2, LOW);
  Serial.println(cahaya);
  Serial.print("cahaya tidak terpenuhi");
}
delay(1000);
}