#include "Adafruit_LEDBackpack.h"
Adafruit_7segment led_display1 = Adafruit_7segment();
void setup()
{
  led_display1.begin();
}

void loop()
{
  for (int i = 0; i <= 1200; i++)
  {  
    led_display1.println(i);
    led_display1.writeDisplay();
    delay(100);
  }
}