const int BUTTON_PIN = 7;
const int RELAY_PIN = 8;
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(RELAY_PIN, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int buttonState = digitalRead(BUTTON_PIN);

if(buttonState == LOW){
  Serial.println("The button is being pressed");
  digitalWrite(RELAY_PIN, HIGH); //turn on
}
else{
  if(buttonState == HIGH){
    Serial.println("The button is unpressed");
    digitalWrite(RELAY_PIN,LOW); //turn off
  }
}
}