#include <LiquidCrystal.h>
#include <Servo.h>

const int LDR_PIN = A0;          // Analog pin connected to LDR
const int POT_PIN = A1;          // Analog pin connected to potentiometer
const int RS_PIN = 12;           // Register select pin of LCD
const int EN_PIN = 11;           // Enable pin of LCD
const int D4_PIN = 5;            // Data pin 4 of LCD
const int D5_PIN = 4;            // Data pin 5 of LCD
const int D6_PIN = 3;            // Data pin 6 of LCD
const int D7_PIN = 2;            // Data pin 7 of LCD
const int SERVO_PIN = 9;         // Digital pin connected to servo motor

LiquidCrystal lcd(RS_PIN, EN_PIN, D4_PIN, D5_PIN, D6_PIN, D7_PIN);
Servo servoMotor;

void setup() {
  lcd.begin(16, 2);             // Initialize the LCD with 16 columns and 2 rows
  servoMotor.attach(SERVO_PIN);
}

void loop() {
  int lightIntensity = analogRead(LDR_PIN);      // Read the analog value from LDR
  int stabilityValue = analogRead(POT_PIN) / 4;  // Read the analog value from the potentiometer and divide by 4 for stability adjustment

  lcd.setCursor(0, 0);                           // Set the cursor to the first column of the first row
  lcd.print("Light Intensity:");
  lcd.setCursor(0, 1);                           // Set the cursor to the first column of the second row
  lcd.print(lightIntensity);

  if (lightIntensity < 250 + stabilityValue) {
    servoMotor.write(90);                        // Move the servo motor to 90 degrees
  } else {
    servoMotor.write(0);                         // Move the servo motor to 0 degrees
  }

  delay(1000);                                   // Wait for 1 second
}