int pirPin = 35;

void setup(){
  Serial.begin(115200);
  pinMode(pirPin, INPUT);
}

void loop()
{
  int val = analogRead(pirPin);
  while (val >= 0 && val <=255)
  {
    if(val >= 100)
    {
      Serial.println("Motion Detected");
    }
    
    else if(val <= 100)
    {
      Serial.println("Motion Not Detected");
    }
    delay(1000);
  }
  
}