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


const byte numRows = 4;
const byte numCols = 4;
char keymap[numRows][numCols] = {
  {'1','2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};
byte rowPins[numRows] = {27, 13, 22, 4};
byte colPins[numCols] = {33, 25, 26, 14};
Keypad keypad = Keypad(makeKeymap(keymap), rowPins, colPins, numRows, numCols);


LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);

  
  Wire.begin(18, 5);
  lcd.begin(16, 2);
  lcd.home();
  lcd.backlight();
  lcd.print("sohail");
  delay(1000);
  lcd.clear();
}

void loop() {
  // Read key from keypad
  char key = keypad.getKey();
  if (key != NO_KEY) {
    // Print key to Serial monitor
    Serial.println(key);

    // Print key to LCD
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print(key);
  }
}