#include <LiquidCrystal.h>

// initialize the library by associating any needed LCD interface pin
// with the ESP32 pin number it is connected to
const int rs = 14, en = 27, d4 = 26, d5 = 25, d6 = 33, d7 = 32;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// define the pin used to read the potentiometer value
const int potPin = A0;

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Clear the display of the LCD.
  lcd.clear();
  // Display a message on the LCD
  lcd.setCursor(0, 0);
  lcd.print("Potentiometer");
  lcd.setCursor(0, 1);
  lcd.print("Value:");

  // start serial communication
  Serial.begin(9600);
}

void loop() {
  // read the value of the potentiometer
  int potValue = analogRead(potPin);
  
  // display the potentiometer value on the LCD
  lcd.setCursor(7, 1);
  lcd.print(potValue);

  // print the potentiometer value to the serial monitor
  Serial.print("Potentiometer value: ");
  Serial.println(potValue);

  delay(100); // wait a bit before reading the potentiometer again
}