#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x3F for a 16 chars and 2 line display
int seg[]={12,14,27,26,25,33,32};//a~g
int tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x67};
unsigned time_current;
int t1;
int i,j,k,s,t,f;
void setup() {
  for(j=0;j<7;j++)
  {
    pinMode(seg[j], OUTPUT);
    digitalWrite(seg[j], HIGH);
  }
  lcd.init();
  lcd.clear();         
  lcd.backlight();      // Make sure backlight is on
  
  // Print a message on both lines of the LCD.
  lcd.setCursor(2,0);   //Set cursor to character 2 on line 0
  lcd.print("Hello world!");
  
  lcd.setCursor(2,1);   //Move cursor to character 2 on line 1
  lcd.print("LCD Tutorial");
}

void display(int a)
{
 for(i=0;i<7;i++)
 {
  if(a%2==0)
  {
    digitalWrite(seg[i], HIGH);
  }
  else
  {
    digitalWrite(seg[i], LOW);
  }
  a=a/2;
 }

}
void loop() 
{
 //lcd.setCursor(2,0); 
 time_current=millis();
 if((time_current-t1)>500)
 {
  t1=time_current;
  k++;
  if(k>9)k=0;
 }
  display(tab[k]);

 
}