LCD_Temperature

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#include <LCD.h>
#include <dht11.h>

dht11 DHT11;
#define DHT11PIN 8    // Temperature sensor
#define I2C_ADDR 0x27 // I2C address 
#define BACKLIGHT_PIN 3 

#define En_pin 2  // PIN  6 of circuit PCF8574  (Named P2) 

#define Rw_pin 1  // PIN  5 of circuit PCF8574  (Named P1)

#define Rs_pin 0  // PIN  4 of circuit PCF8574  (Named P0) 

#define D4_pin 4  // PIN  9 of circuit PCF8574  (Named P4)  

#define D5_pin 5  // PIN 10 of circuit PCF8574  (Named P5)  

#define D6_pin 6  // PIN 11 of circuit PCF8574  (Named P6)  

#define D7_pin 7  // PIN 12 of circuit PCF8574  (Named P7) 


// We create a new LiquidCrystal_I2C called lcd

LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin); 

/*! List of parameters of this constructor method

    @param      lcd_Addr[in] I2C address of the IO expansion module. For I2CLCDextraIO,
    the address can be configured using the on board jumpers.
    @param      En[in] LCD En (Enable) pin connected to the IO extender module
    @param      Rw[in] LCD Rw (Read/write) pin connected to the IO extender module
    @param      Rs[in] LCD Rs (Reset) pin connected to the IO extender module
    @param      d0[in] LCD data 0 pin map on IO extender module
    @param      d1[in] LCD data 1 pin map on IO extender module
    @param      d2[in] LCD data 2 pin map on IO extender module
    @param      d3[in] LCD data 3 pin map on IO extender module
    */

void setup(void){

   
  lcd.begin(16,2);               // initialize the lcd 
   
  // Switch on the backlight
  
 lcd.setBacklightPin(BACKLIGHT_PIN, POSITIVE);  
 lcd.setBacklight(HIGH);
}

void loop(void){

  lcd.home ();                   // go home
  DHT11.read(DHT11PIN);         //  initialize the temperature sensor
  lcd.print("Temperature: ");
  lcd.print(int(DHT11.temperature * 1.8 + 32)); // print and convert to F
  lcd.print("F"); 
  lcd.setCursor ( 0, 1 );        // go to the next line
  lcd.print ("Humidity: ");
  lcd.print(DHT11.humidity);
  lcd.print("%"); 
  delay(1000);

}