#define pin_LDR A0
int pin_LED = 5;
int Sensor_LDR;


void setup() {
  Serial.begin(9600);
  pinMode(pin_LDR, INPUT);
  pinMode(pin_LED, OUTPUT);
}

void loop() {
  Sensor_LDR = digitalRead(pin_LDR);
  
  Serial.print("Valor lido: ");
  Serial.println(Sensor_LDR);

  delay(100);

  if(Sensor_LDR == 1){
    digitalWrite(pin_LED, HIGH);
  }else{
    digitalWrite(pin_LED, LOW);
  }

}