#include <Stepper.h>
#include <LiquidCrystal.h>

const int stepsPerRevolution = 200;

LiquidCrystal lcd(13, 12, 5, 4, 3, 2);

Stepper Stepper1(stepsPerRevolution, 8, 9, 10, 11); 

int preValue=0;
int open;

void setup() 
{
  Stepper1.setSpeed(50);

  pinMode(A0, INPUT);

  Serial.begin(9600);

  // initialize the LCD
  lcd.begin(16, 2);
  //lcd.backlight();
  lcd.setCursor(3, 0);
  lcd.print("MULTITTECH"); //print a label on the LCD
  lcd.setCursor(0, 1);
  lcd.print("Initializing.");
  delay(600);
  lcd.setCursor(0, 1);
  lcd.print("Initializing..");
  delay(600);
  lcd.setCursor(0, 1);
  lcd.print("Initializing...");
  delay(600);
  lcd.setCursor(0, 1);
  lcd.print("Initializing....");
  delay(600);
  lcd.setCursor(0, 1);
  lcd.print("Initializing.....");
  delay(1000);
  lcd.clear();
}

void loop() 
{
  int potential_value=analogRead(A0);
  int value=map(potential_value,0,1023,0,200);
  
  Serial.println(value);
  Stepper1.step(value-preValue);
  preValue=value;
  open=value/2;

  // clear the LCD display
  lcd.clear();

  //print the Angle Position on the LCD
  lcd.setCursor(0,0);
  lcd.print("Revolution: ");
  lcd.print(preValue);
  lcd.setCursor(0,1);
  lcd.print("Open Valve: ");
  lcd.print(open);
  lcd.setCursor(15,1);
  lcd.print("%");

  delay(100);
  }