int LED = 10;
int LED2 = 9;
int LDR = A0;
void setup() {
  pinMode(LED, OUTPUT);

}

void loop() {
  int cahaya = analogRead(LDR);
  if (cahaya > 170)
  {
    digitalWrite(LED, HIGH);
    digitalWrite(LED2, HIGH);
  }
  else
  {
    digitalWrite(LED, LOW);
    digitalWrite(LED2, HIGH);
  }

}