void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(4, INPUT_PULLUP);
}

void loop() {
  int a=digitalRead(4);
  Serial.println(a);
  if(a==HIGH)
  {

     Serial.println("Motion Detected");
  }
if(a==LOW)
  {

    Serial.println("Motion Not Detected");
  }


  delay(10); // this speeds up the simulation
{
    digitalWrite("Motion Detected");
    Serial.print("เปิดก๊อก");
    delay(3000);
}else
{
    digitalWrite("Motion Not Detected");
    Serial.print("ปิดก๊อก");
}