#include <LiquidCrystal.h>
const int rs = 13, en = 12, d4 = 11, d5 = 10, d6 = 9, d7 = 8;

LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
int sensorPin = A0; 

void setup() {
lcd.begin(16, 2);
}

void loop() {
  int val = analogRead(sensorPin);
  val = map(val, 0, 1023, 0, 5000);
  analogWrite(9, val);

// print the number of seconds since reset:
lcd.setCursor(0, 1);
lcd.print(val);
lcd.println("mV");
lcd.setCursor(0, 0);
lcd.print(" LATIFAH R ");
}