#include <LiquidCrystal.h>
LiquidCrystal lcd(2,3,4,5,6,7);
void setup()
{
    lcd.begin(16, 2);
}

void loop()
{
  int m=analogRead(0);
  lcd.setCursor(0,0);
  lcd.print("ADC=");
  lcd.print(m); 
  float vin=m*4.88;
  lcd.print(",V=");
  lcd.print(vin);
  lcd.print("mV");
  Serial.print("mV ==>");
  float tmp=map(m,20,358,-40,125);
  lcd.setCursor(4,1);
  lcd.print(tmp);
  lcd.print(" *C ");
    
  delay(1000);
}