#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

#define LM35_PIN 34
#define ONE_WIRE_BUS 4
#define PIN_POT 14
int valorAnalogico;
int entradaAnalogica;
int salidaAnalogica;
float tempC;

#define LED_R 5 //se le asigna el valor de pwm
#define LED_G 19
#define LED_B 18

void setup() {
  Serial.begin(9600);
 
  Wire.begin();
  lcd.init();        
  lcd.backlight();

  pinMode(LED_R, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_B, OUTPUT);
 
}

void loop() {

  
  valorAnalogico = analogRead(PIN_POT);
  tempC = map(valorAnalogico, 0, 4095, 10, 50);
  Serial.println(valorAnalogico);
  /*float voltaje=entradAnalogica * (3.3 / 4095.0);
  float tempC= voltaje*100;
  entradAnalogica=analogRead(LM35_PIN);*/
  //Serial.print("Valor");
  //Serial.println(entradAnalogica);

  lcd.setCursor(1, 1);
  lcd.print("Temp: ");
  lcd.print(tempC);
  lcd.print(" C");

  delay(1000);
  
  if(tempC<20){
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_G, LOW);
    digitalWrite(LED_B, HIGH);
    

  } else if (tempC>=20 && tempC<=30){
    digitalWrite(LED_R, LOW);
    digitalWrite(LED_G, HIGH);
    digitalWrite(LED_B, LOW);
    

  } else{
    digitalWrite(LED_R, HIGH);
    digitalWrite(LED_G, LOW);
    digitalWrite(LED_B, LOW);
     
  }

}