#include <LiquidCrystal.h>
#include <dht.h>


int RS = 13;
int EN = 12;
int D4 = 11;
int D5 = 10;
int D6 = 9;
int D7 = 8;
int buzzer = 6;
int Rled = 5;
int Bled = 4;
int datapin = 7;
dht DHT;
LiquidCrystal lcd (RS, EN, D4, D5, D6, D7);
int count = 0;




void setup() {

  lcd.begin(16, 2);
  lcd.setCursor(3, 0);
  lcd.print("WELCOME TO");
  delay(1000);

  lcd.setCursor(0, 0);
  lcd.print("  BN ABDULSALAM ");
  delay(100);
  lcd.setCursor(0, 1);
  lcd.print("  ELECT ELECT  ");
  delay(1000);
  lcd.clear ();

  lcd.setCursor(2, 0);
  lcd.print("CALL US ON");
  delay(100);
  lcd.setCursor(0, 2);
  lcd.print("  08120460354");
  delay(1000);
  lcd.clear ();


}

void loop () {
  int readData = DHT.read22 (datapin);
  float TEMP = DHT.temperature;
  float HUMI = DHT.humidity;


  if (TEMP > 30) {

    {
      digitalWrite(buzzer, HIGH);
      digitalWrite(Bled, HIGH);
    }
    lcd.setCursor(0, 0);
    lcd.print ("TEMP:  ");
    lcd.print (TEMP);
    lcd.setCursor(0, 1);
    lcd.print ("TEMP TOO HIGH   ");
    delay(1000);
    lcd.clear ();


  }

  if (TEMP < 30) {
    { digitalWrite (buzzer, LOW);
      digitalWrite(Bled, LOW);
    }
    lcd.setCursor(0, 0);
    lcd.print ("TEMP:  ");
    lcd.print (TEMP);
    lcd.setCursor(0, 1);
    lcd.print ("TEMP TOO LOW    ");
    delay(1000);
    lcd.clear ();
    }



  if (HUMI > 50) {
    {
      digitalWrite(Rled, HIGH);

    }
    lcd.setCursor(0, 0);
    lcd.print ("HUMI:  ");
    lcd.print (HUMI);
    lcd.setCursor(0, 1);
    lcd.print ("HUMI TOO HIGH   ");
    delay(1000);

  }
  else if (HUMI < 50) {
    {
      digitalWrite(Rled, LOW);
    }
  }

}