#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);
int i=0;
void setup() {
lcd.begin(16, 2);
lcd.print("hello, world!");
}
void loop() {
lcd.setCursor(0,1);
lcd.print(i);
i++;
if (i<10) //not always 10, at a random point
delay(1000);
else
delay(0);
}