#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup()
{
lcd.init();
lcd.backlight();
}
void loop() {
int value = analogRead(A3);
Serial.println(value);
lcd.setCursor(2, 0);
lcd.print("Potentiometer");
lcd.setCursor(3, 1);
lcd.print("Value : " + (String(value)));
delay(400);
lcd.clear(); // ล้างหน้าจอ
}