#include <Wire.h>
#include <LiquidCrystal_I2C.h>

const int PinButton = 6;
boolean on = false;
int buttonState = 0;
int position1;

LiquidCrystal_I2C lcd(0x3F, 16, 2);

void setup() {
  pinMode(PinButton, INPUT);
  lcd.begin();
  lcd.noBacklight();
  Serial.begin(9600);

}

void loop() {
  buttonState = digitalRead(PinButton);
  if (buttonState == HIGH) {
    if (on==true) {
      on=false;
    } else{
      on=true;
    }

  }

  if (on == true) {
    lcd.setBacklight((uint8_t)1);
    lcd.setCursor(0,0);
    lcd.print("Greenhill School");

    // for (position1 = 0; position1 < 16; position1++)
  // {
    // lcd.scrollDisplayLeft();
    // delay(250);
  // }
  }
    else {
      lcd.noBacklight();
    }

    // lcd.clear();
    delay(500);
  }