#define Led 4
#define PIR 2

void setup() {
pinMode(Led, OUTPUT);
pinMode(PIR, INPUT);
Serial.begin(9600);

}

void loop() {
if (digitalRead(PIR) == HIGH); {
digitalWrite(Led, HIGH);
Serial.println("PIR ENCENDIDO");

  else { (digitalRead(PIR) == LOW);
digitalWrite(Led, LOW);
Serial.print("PIR APAGADO"); }
}