// include the Stepper and LiquidCrystal_I2C libraries
#include <Stepper.h>
#include <LiquidCrystal_I2C.h>

// define the step and direction pins
#define stepPin 5
#define dirPin 4

// create a Stepper object
Stepper myStepper(200, stepPin, dirPin);

// define the push button pins
#define buttonPin1 2
#define buttonPin2 3

// define the potentiometer pin
#define potPin A0

// create a LiquidCrystal_I2C object
LiquidCrystal_I2C lcd(0x27, 16, 2); // change the address and size of your LCD

// define the current state of the push buttons
int buttonState1 = LOW;
int buttonState2 = LOW;

// define the speed variable
int speed = 0;

void setup() {
  // set the step and direction pins as outputs
  pinMode(stepPin, OUTPUT);
  pinMode(dirPin, OUTPUT);

  // set the push button pins as inputs
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);

  // set the potentiometer pin as an input
  pinMode(potPin, INPUT);

  // initialize the LCD
  lcd.init();
  lcd.backlight();

  // print the initial message on the LCD
  lcd.setCursor(0, 0);
  lcd.print("Motor stopped");
}

void loop() {
  // read the state of the push buttons
  buttonState1 = digitalRead(buttonPin1);
  buttonState2 = digitalRead(buttonPin2);

  // read the value of the potentiometer
  speed = analogRead(potPin);

  // map the potentiometer value to the motor speed range
  speed = map(speed, 0, 1023, 0, 100);

  // if button 1 is pressed, rotate the motor clockwise
  if (buttonState1 == HIGH) {
    digitalWrite(dirPin, HIGH); // set the motor direction
    myStepper.setSpeed(speed); // set the motor speed
    myStepper.step(200); // rotate the motor one full revolution
    lcd.clear(); // clear the LCD screen
    lcd.setCursor(0, 0); // set the cursor at the first row
    lcd.print("Clockwise"); // display the direction of rotation
  }
  // if button 2 is pressed, rotate the motor counterclockwise
  else if (buttonState2 == HIGH) {
    digitalWrite(dirPin, LOW); // set the motor direction
    myStepper.setSpeed(speed); // set the motor speed
    myStepper.step(200); // rotate the motor one full revolution
    lcd.clear(); // clear the LCD screen
    lcd.setCursor(0, 0); // set the cursor at the first row
    lcd.print("AntiClockwise"); // display the direction of rotation
  }
  // otherwise, stop the motor
  else {
    digitalWrite(dirPin, LOW); // set the motor direction to stop
    digitalWrite(stepPin, LOW); // set the step pin to low to stop the motor
    lcd.clear(); // clear the LCD screen
    lcd.setCursor(0, 0); // set the cursor at the first row
    lcd.print("Motor stopped"); // display the message for stopped motor
  }

  // display the motor speed on the second row of the LCD
  lcd.setCursor(0, 1); // set the cursor at the second row
  lcd.print("Speed: "); // display the text for speed
  lcd.print(speed); // display the actual speed value
}