int Status = 21;
int sensor = 22;
void setup() {
  Serial.begin(9600);
  pinMode(sensor, INPUT);   
  pinMode(Status, OUTPUT);
}

void loop() {
  long state = digitalRead(sensor);
    if(state == HIGH) {
      digitalWrite (Status, HIGH);
      Serial.println("Motion detected!");
      delay(1000);
    }
    else {
      digitalWrite (Status, LOW);
      Serial.println("Motion absent!");
      delay(1000);
      }
}