const int BUTTON_PIN = 14;
const int RELAY_PIN = 15;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW);
}

void loop() {
  int buttonState = digitalRead(BUTTON_PIN);
  if(buttonState == 0){
    digitalWrite(RELAY_PIN, HIGH);
  }else{
    digitalWrite(RELAY_PIN, LOW);
  }
  delay(1000); // this speeds up the simulation
}