int pir = 32; 
int led = 33;   

int status_boton = 0;

void setup() {
  pinMode(led, OUTPUT);       
  pinMode(pir, INPUT);
  Serial.begin(115200);  
  digitalWrite(led, LOW);     
}

void loop() {
  status_boton = digitalRead(pir); 
  Serial.print("PIR= ");
  Serial.println(status_boton);     

  if (status_boton == HIGH) {         
    digitalWrite(led, HIGH);       
  } else {                           
    digitalWrite(led, LOW);         
  }
  delay(1000);
}