#define LDR A0
#define LED 10
int data , y;
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0X27, 16, 2);
void setup()
 {
pinMode(LED, OUTPUT);
lcd.init();
lcd.backlight();
lcd.clear();


 }

void loop() {
data=analogRead(LDR);
lcd.setCursor(5,0);
lcd.print(data);
delay(500);
lcd.clear();
y=map(data,0,1023,255,0);
analogWrite(LED,y);


}