// Example testing sketch for various DHT humidity/temperature sensors
// Written by ladyada, public domain
#include <LiquidCrystal.h>
#include "DHT.h"

#define DHTPIN 3    // what pin we're connected to
// Uncomment whatever type you're using!
#define DHTTYPE DHT11   // DHT 11
//#define DHTTYPE DHT22   // DHT 22  (AM2302)
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

// Connect pin 1 (on the left) of the sensor to +5V
// Connect pin 2 of the sensor to whatever your DHTPIN is
// Connect pin 4 (on the right) of the sensor to GROUND
// Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor

LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

DHT dht(DHTPIN, DHTTYPE);

void setup() {

  Serial.begin(9600);

   lcd.begin(16,2);
  lcd.clear();

  lcd.setCursor(0, 0);

  Serial.println("Firmware version 1.0.6");

  lcd.print("Firmware version");

  lcd.setCursor(0, 1);

  lcd.print("1.0.6");

  delay(2000);

  lcd.clear();

Serial.println(" _______          __         __              ");
Serial.println("|   _   |.----.--|  |.--.--.|__|.-----.-----.");
Serial.println("|       ||   _|  _  ||  |  ||  ||     |  _  |");
Serial.println("|___|___||__| |_____||_____||__||__|__|_____|");
Serial.println(" _____  __         __ __          __ ");
Serial.println("|     ||__|.-----.|__|  |_.---.-.|  |");
Serial.println("|   | ||  ||  _  ||  |   _|  _  ||  |");
Serial.println("|_____||__||___  ||__|____|___._||__|");
Serial.println("           |_____|                   ");
Serial.println(" _______               __                        ");
Serial.println("|     __|.--.--.-----.|  |_.-----.--------.-----.");
Serial.println("|__     ||  |  |__ --||   _|  -__|        |__ --|");
Serial.println("|_______||___  |_____||____|_____|__|__|__|_____|");
Serial.println("         |_____|                                 ");
Serial.println("  ");
Serial.println("Digital Thermometer/Hygrometer");

delay(2000);

  Serial.println("Loading...");

  lcd.print("Loading...");

  delay(3000);

  dht.begin();


}



void loop() {
  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  float t = dht.readTemperature();

  // check if returns are valid, if they are NaN (not a number) then something went wrong!
  if (isnan(t) || isnan(h)) {
    Serial.println(". Failed to read from DHT11 sensor");
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("  SENSOR ERROR");
    lcd.setCursor(0, 1);
    lcd.print(" Failed to read");
    delay(3000);
  } else {
    Serial.print("Humid: ");
    Serial.print(h);
    Serial.print("% ");
    Serial.print("Temp: ");
    Serial.print(t);
    Serial.println(" C");

lcd.clear();

    lcd.setCursor(0, 0);

lcd.print("Humid: ");

lcd.print(h);

lcd.print("%");

lcd.setCursor(0, 1);

lcd.print("Temp:  ");

lcd.print(t);

lcd.print("C");

  }
}