#include <LiquidCrystal.h>

const int ldr = A0; 
LiquidCrystal lcd(12, 11, 10, 9, 8, 7); 

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2); 
  lcd.setCursor(2, 0);   
  lcd.print("|Sensor LDR|");   
  lcd.setCursor(0, 1);  
  lcd.print("Valor: ");  
}

void loop() {
  int ldrvalor = analogRead(ldr);    
  lcd.print(ldrvalor  * 0.0048);  
  delay(1000);
  lcd.clear();
  lcd.setCursor(2, 0);   
  lcd.print("|Sensor LDR|");   
  lcd.setCursor(0, 1);  
  lcd.print("Valor: ");  
}