int Sensor; 
int LDR=A0;
int LED = 8;
void setup () {
Serial.begin(9600);
pinMode(LDR,INPUT);
pinMode(LED,OUTPUT);
}

void loop () {
  Sensor=digitalRead(LDR);
Serial.print("Valor Lido:");
Serial.println(Sensor);
delay(150);
if(Sensor == 1) {
  digitalWrite(LED, HIGH);
}
else{
  digitalWrite(LED, LOW);
}
}