int pinLed = 33;
int pinSig = 32;//pino do sensor
int estadoDoSensor = 0;


void setup() {
 pinMode(pinLed, OUTPUT);
 pinMode(pinSig, INPUT);
}

void loop() {
 estadoDoSensor = digitalRead(pinSig);
 if (estadoDoSensor) {
  digitalWrite(pinLed, 1);
  delay(1000);
 } else {
  digitalWrite(pinLed, 0);
 }
 delay(30);
}