void setup() {
  pinMode(15,INPUT);
  Serial1.begin(115200);
  Serial1.println("Hello, Rapberry Pi Pico!");
}


void loop(){
  int pir = digitalRead(15);
  if (pir == HIGH)
  {
    Serial1.println("MOVEEMENT DETECTED");
    delay(500);
  }
  else
  {
    Serial1.println("NO MOVEMENT DETECTED");
    delay(500);
  }
}