#include <LiquidCrystal.h>

const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);  // Setup lcd
int i = 1;
int num = 12; // table for the number
void setup() {
  // put your setup code here, to run once:
  lcd.begin(16, 2); // Setup columns and rows of the LCD  
}

// Prints table of 12
void loop() {
  // put your main code here, to run repeatedly: 
  // Print num * i = value
  lcd.print(String(num) + "*" + String(i) + "=" + String(num * i));
  delay(500); // delay
  lcd.clear();  // Clear LCD
  lcd.setCursor(0, 0);  // Reset LCD cursor
  i++;  // Increment LCD value
  delay(100); // delay
}