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

LiquidCrystal_I2C LCD(0x27,16,2);

const byte numRows = 4;
const byte numCol = 4;

byte datacount=0;

char Keymap[numRows][numCol]=
{
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}

};

byte rowpin[numRows] = {10,9,8,7};
byte colpin[numCol] = {6,5,4,3};

//Keypad CustomKeypad = Keypad(maKeKeymap(Keymap),rowpin,colpin numRows,numClo)
Keypad customKeypad = Keypad(makeKeymap(Keymap),rowpin,colpin,numRows,numCol);


void setup() {
  // put your setup code here, to run once:
LCD.init();
LCD.backlight();

};

void loop() {
  // put your main code here, to run repeatedly:

char customKey = customKeypad.getKey();

LCD.setCursor(3,0);
LCD.print("CHEK HERE ");

if(customKey){

  LCD.setCursor(datacount,1);
  LCD.print(customKey);
  datacount++;
}
if (customKey) {
LCD.print(customKey);

};

if(customKey=='D'){LCD.clear();}

if(datacount>8)
  {datacount=0;}
};