#include <LiquidCrystal_I2C.h>
#include <DHT.h>

// what pin we're connected to
#define DHTPIN 6  
// DHT 22  (AM2302)  
#define DHTTYPE DHT22 
//// Initialize DHT sensor for normal 16mhz Arduino  
DHT dht(DHTPIN, DHTTYPE); 

// I2C address 0x27, 16 column and 2 rows
LiquidCrystal_I2C lcd(0x27, 16, 2); 
             
const int LED = 5;
const int BZR = 4;

//float h;  //Stores humidity value
float t; //Stores temperature value


void setup(void)
{
  dht.begin();
  Serial.begin(9600);
  lcd.init(); // initialize the lcd
  lcd.backlight();
  pinMode(LED, OUTPUT);
  pinMode(BZR, OUTPUT);
}

void loop(void)
{ 
  digitalWrite(LED, LOW);
  digitalWrite(BZR, LOW);
  lcd.clear();  // clear display
  t= dht.readTemperature(); // Read temperature
  // h = dht.readHumidity();  // Read humidity

  if(t >= 35.00){
    digitalWrite(LED, HIGH);
    digitalWrite(BZR, HIGH);
    
    lcd.setCursor(0, 0);         // move cursor to   (0, 0)
    lcd.print("Temp.: ");
    lcd.print(t);
    lcd.print((char)223); //shows degrees character
    lcd.print("C");

    lcd.setCursor(4,1);
    lcd.print("WARNING!!! ");
    delay(1000);                 // display the above for 1 second

    //print the temperature in Celsius
    Serial.print("Temperature: ");
    Serial.print(t);
    Serial.print((char)176);//shows degrees character
    Serial.print("C  |  ");
    Serial.println("WARNING");
  }
 
  else{
  
  lcd.setCursor(0, 0);         // move cursor to   (0, 0)
  lcd.print("Temp.: ");
  lcd.print(t);
  lcd.print((char)223); //shows degrees character
  lcd.print("C");

  lcd.setCursor(0,1);
  lcd.print("Fhrt.: ");
  lcd.print((t * 9.0) / 5.0 + 32.0);
  lcd.print((char)223); //shows degrees character
  lcd.print("F");
  delay(1000);                 // display the above for 1 second
 
  //print the temperature in Celsius
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print((char)176);//shows degrees character
  Serial.print("C  |  ");
  
  //print the temperature in Fahrenheit
  Serial.print((t * 9.0) / 5.0 + 32.0);
  Serial.print((char)176);//shows degrees character
  Serial.println("F");
  //delay(500);
  }
}