int sensorValue = LOW;
long previousMillis = 0;
int sensorPin = 3;
long interval = 1000;

void setup() {
  pinMode(sensorPin, INPUT);
  Serial.begin(9600);
}

void loop() {
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis > interval) {
    previousMillis = currentMillis;
    sensorValue = digitalRead(sensorPin);
    if (sensorValue == HIGH) {
      Serial.println("Moving detected");
    } else {
      Serial.println("Not Moving");
    }
  }
}