byte buttonPin = 27;
byte Buzzer = 25;
bool buzzerState= false;
#include <LiquidCrystal.h>
LiquidCrystal lcd(18, 5, 17, 16, 4, 0);
void updateLcd(int data)
{
  lcd.clear();
  lcd.setCursor(0,0);
  // int analogdata = analogRead(potPin);
  
  lcd.print("buttonState:");
  lcd.println(data);
}


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(Buzzer, OUTPUT);
  lcd.begin(16,2);
}

void loop() {
  // lcd.clear();
  // String text_1 = "Buzzer oN";
  // int len_1 = text_1.length();
  // Serial.println(len_1);
  // String text_2 = "Buzzer OFF";
  // int len_2 = text_2.length();
  // Serial.println(len_2);
  // lcd.setCursor((16-len_1)/2,0);
  // lcd.print(text_1);
  // lcd.setCursor((16-len_2)/2,1);
  // lcd.print(text_2);

  // put your main code here, to run repeatedly:
  byte buttonState=digitalRead(buttonPin);
  Serial.print("buttonState: ");
  Serial.println(buttonState);
  if(buttonState==LOW)
  {
    buzzerState=!buzzerState;
    if(buzzerState)
    {
      lcd.clear();
      digitalWrite(Buzzer, HIGH);
      Serial.println("BUZZER on");
      lcd.setCursor(5,0);
      lcd.print("buzzer on");

    }
    else
    {
      lcd.clear();
      digitalWrite(Buzzer, LOW);
      Serial.println("Buzzer off");
      lcd.setCursor(5,0);
      lcd.print("buzzer off");

    }
  }
  delay(1000); // this speeds up the simulation
}