#include <LiquidCrystal_I2C.h>
#include <Wire.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
 lcd.init();
 lcd.backlight();
}

void loop() {
  progressIndicator();
}


void progressIndicator() {
  int progressPos = 3;


  for(int i=0; i < 100; i++) {
    lcd.setCursor(0,0);
    lcd.print("Progress: " + String(i) + "%");

    lcd.setCursor(2, 1);
    lcd.print("[");
    lcd.setCursor(13, 1);
    lcd.print("]");

    delay(100);

    if((i%10) == 0 && i != 0) {
      lcd.setCursor(progressPos, 1);
      lcd.print("=");
      if (progressPos <= 12) {
        progressPos += 1;
      }
    }


    }
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("Done!");
    delay(1000);
    lcd.clear();
}