#include <LiquidCrystal_I2C.h>    
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup()
{
  lcd.init();                       // initialize the 16x2 lcd module
  lcd.createChar(7, gauge_empty);   // middle empty gauge
  lcd.createChar(1, gauge_fill_1);  // filled gauge - 1 column
  lcd.createChar(2, gauge_fill_2);  // filled gauge - 2 columns
  lcd.createChar(3, gauge_fill_3);  // filled gauge - 3 columns
  lcd.createChar(4, gauge_fill_4);  // filled gauge - 4 columns
  lcd.createChar(0, warning_icon); // warning icon - just because we have one more custom character that we could use
  lcd.backlight();
}


void loop()
{
  lcd.print("hai");            // enable backlight for the LCD module

}