#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; // select the input pin for the potentiometer 
int sensorValue = 0; // variable to store the value coming from the sensor
int outputValue;
void setup() {
  // put your setup code here, to run once:
  lcd.begin(16, 2);

}

void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(0, 1); 
  lcd.print("    ");
  sensorValue = analogRead(sensorPin); // print the number of seconds since reset: 
  lcd.setCursor(0, 1);
  lcd.print(sensorValue);
  delay(100);

  lcd.setCursor(0, 0); 
  lcd.print("       ");
  lcd.setCursor(0, 0); 
  outputValue = map(sensorValue, 0, 1023, 0, 5000);
  lcd.print(outputValue);
  lcd.print(" mV");
}