include <Keypad.h>
#include <LiquidCrystal_I2C.h>

#include <Servo.h>
#define ROW_NUM     4  // keypad four rows
#define COLUMN_NUM  4  // keypad three columns

char keys[ROW_NUM][COLUMN_NUM] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

byte pin_rows[ROW_NUM] = {12, 14, 27, 26};   // ESP32 pin: GPIO12, GPIO14, GPIO27, GPIO26 connected to the row pins
byte pin_column[COLUMN_NUM] = {25, 33, 13, 32};  // ESP32 pin: GPIO25, GPIO33, GPIO32 connected to the column pins


Keypad keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27 (from DIYables LCD), 16 column and 2 rows


int cursorColumn = 0;

const String password_1 = "1234"; // change your password here
String input_password;