#define PIR_PIN 2
#define LED_PIN 8

unsigned long lastMotionTime = 0;
const long timeout = 5000;   // 5 seconds

void setup() {
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  int motion = digitalRead(PIR_PIN);

  if(motion == HIGH) {
    lastMotionTime = millis();
    digitalWrite(LED_PIN, HIGH);   // Worker active
  }

  if(millis() - lastMotionTime > timeout) {
    digitalWrite(LED_PIN, LOW);    // Worker inactive
  }
}