#include <DHT.h>
#include <LiquidCrystal.h>
//#include <DHT_U.h>

//LCD
int rs = 12;
int e = 11;
int d4 = 5;
int d5 = 4;
int d6 = 3;
int d7 = 2;

LiquidCrystal lcd(rs,e,d4,d5,d6,d7);

//DHT
#define Type DHT22
int dhtPin = 7;
DHT HT(dhtPin, Type);
int humidity;
float tempC;
float tempF;
int dt = 1;



//button
const byte buttonPin = 8;
const byte ledPin = 13;

boolean buttonState = LOW;
  
void setup(){
  
  pinMode(buttonPin , INPUT);	//Declaro como entrada pin 2
  pinMode(ledPin, OUTPUT);	//Declaro como salida pin 12
  Serial.begin(9600);
  lcd.begin(16,2);
  HT.begin();
}

void loop() {
  
  if (buttonState  == HIGH) {
    digitalWrite(ledPin, HIGH); 
    humidity = HT.readHumidity();
    tempC = HT.readTemperature();

    //lcd.clear();
    //delay(dt);

    lcd.setCursor(0,0);
    lcd.print("Humedad: ");
    lcd.print(humidity);
    lcd.print("%");

    lcd.setCursor(0,1);
    lcd.print("Temp.: ");
    lcd.print(tempC);
    lcd.print("*C");
    //lcd.clear();
    //delay(dt);  
    }
  else{
    digitalWrite(ledPin, LOW);  
    //lcd.clear();
    //digitalWrite(ledPin,LOW);

    humidity = HT.readHumidity();
    tempF = HT.readTemperature(true);

    lcd.setCursor(0,0);
    lcd.print("Humedad: ");
    lcd.print(humidity);
    lcd.print("%");

    lcd.setCursor(0,1);
    lcd.print("Temp.: ");
    lcd.print(tempF);
    lcd.print("*F");
    //lcd.clear();
    //delay(dt); 
    }

  // Sistema antirebote
  if (digitalRead(buttonPin ) == HIGH)  {
    delay(200);
    buttonState  = !buttonState;  
    }
    
}