int motion_detected = 0;
unsigned long currentMillis = 0;
unsigned long previousMillis = 0;
int SENSOR_PIN = 19;
int motion_count = 0;
int LED_PIN = 33;
//int BUZZER_PIN = 4;
void setup() {
  // put your setup code here, to run once:
  pinMode(SENSOR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  //pinMode(BUZZER_PIN, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  motion_detected = digitalRead(SENSOR_PIN);
  currentMillis = millis();
  if (motion_detected) {
    if (currentMillis - previousMillis > 5000)
    {
      Serial.print("Time difference:");
      Serial.println(currentMillis - previousMillis);
      motion_count = motion_count + 1;
      Serial.println("MOTION DETECTED!!!");
      digitalWrite(LED_PIN, HIGH);
     // digitalWrite(BUZZER_PIN, HIGH);
      previousMillis = currentMillis;
    }
  }
  else {
    Serial.print("MOTION count= ");
    Serial.println(motion_count);
    digitalWrite(LED_PIN, LOW);
    //digitalWrite(BUZZER_PIN, LOW);
  }
}