#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
byte ZERO[] = {
  B01110,
  B10001,
  B10001,
  B10001,
  B10001,
  B10001,
  B10001,
  B11111,
};
byte ONE[] = {
  B01110,
  B10001,
  B10001,
  B10001,
  B10001,
  B10001,
  B11111,
  B11111,
};
byte TWO[] = {
  B01110,
  B10001,
  B10001,
  B10001,
  B10001,
  B11111,
  B11111,
  B11111,
};
byte THREE[] = {
  B01110,
  B10001,
  B10001,
  B10001,
  B11111,
  B11111,
  B11111,
  B11111,
};
byte FOUR[] = {
  B01110,
  B10001,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
};
byte FIVE[] = {
  B01110,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
};
void setup() {
  lcd.init();
  lcd.backlight();
  lcd.createChar(0, ZERO);
  lcd.createChar(1, ONE);
  lcd.createChar(2, TWO);
  lcd.createChar(3, THREE);
  lcd.createChar(4, FOUR);
  lcd.createChar(5, FIVE);
}
void loop() {
  int val = analogRead(A0);
  int printVal = map(val, 0, 1023, 0, 5);
  int printVal_2 = map(val, 0, 1023, 0, 100);
  lcd.setCursor(0,0);
  lcd.print(printVal_2);
  lcd.setCursor(0,1);
  lcd.write(printVal);
    lcd.setCursor(3,0);
  lcd.print("%");
  if(printVal_2 != 100){
    lcd.setCursor(2,0);
  lcd.print(" ");
  if(printVal_2 < 10){
    lcd.setCursor(1,0);
  lcd.print(" ");
  }
  }
}