#include<LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);

const int analogPin = A0; // Throttle pin
const int ledCount = 10; // Amount of LEDs

int ledPins[] = { // Pins attatched to LEDs
  2, 3, 4, 5, 6, 7, 8, 9, 10, 11
};

void setup() {
  for (int led = 0; led < ledCount; led++) {
    pinMode(ledPins[led], OUTPUT);
  }
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Throttle [WIP]");
}

void loop() {
  int throttle = analogRead(analogPin);
  int ledLevel = map(throttle, 0, 1023, 0, ledCount);

  for (int led = 0; led < ledCount; led++) {
    if (led < ledLevel) {
      digitalWrite(ledPins[led], HIGH);
    }
    else {
      digitalWrite(ledPins[led], LOW);
    }
  }

  lcd.setCursor(0,3); // Adding space to end fixes repetition of % sign
  lcd.print("Power: " + (String)(throttle / 10.23) + "% ");
}