#define LDR 35
#define red 25

void setup () {
pinMode (red, OUTPUT);
pinMode (LDR, INPUT);
Serial.begin (115200);
}

void loop () {
  int ldr = analogRead(LDR);

  Serial.print("A luminosidade em luxes equivale a: ");
  float luxes = (0.519*ldr);
  Serial.println(luxes);

  if (ldr >= 1500){
    digitalWrite(red,1);
    Serial.print("LUZ LIGADA\n\n");
    delay(2000);
  }
  else if (ldr < 1500){
      digitalWrite(red,0);
      Serial.print("LUZ DESLIGADA\n\n");
      delay(2000);
    }
}