#include <LiquidCrystal.h>
LiquidCrystal LCD = LiquidCrystal(5,7,9,10,11,12);
const int ledC= 4;
const int ledF= 6;
float tempF = 20.0; 
float tempC = 45.0; 

void setup() 
{
LCD.begin(16,2);

pinMode(ledC, OUTPUT);
pinMode(ledF, OUTPUT);


digitalWrite(ledC, LOW);
digitalWrite(ledF, LOW);
}
void loop() 
{
  int voltaje = analogRead(A0);
  float vol= (voltaje * 5)/1023.0;
  float temp= vol * 100;

  LCD.setCursor(2,0);
  LCD.print("Temp: ");
  LCD.print(temp, 2);

  LCD.setCursor(0, 1);
  LCD.print(" "); 

  if (temp <= tempF) 
  {
    LCD.setCursor(0, 1);
    LCD.print("Temp Fria:"); 
    digitalWrite(ledF, HIGH);
    digitalWrite(ledC, LOW);
  } 

  else if (temp >= tempC) 
  {
    LCD.setCursor(0, 1);
    LCD.print("Temp Caliente:"); 
    digitalWrite(ledC, HIGH);
    digitalWrite(ledF, LOW);
  } 
  else 
  {
    LCD.setCursor(2,1);
    LCD.print("Temp Normal:"); 
    digitalWrite(ledC, LOW);
    digitalWrite(ledF, LOW);
  }
  delay(1000);
}