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

#define rs 12
#define rw 11
#define en 10
#define d4 9
#define d5 8
#define d6 7
#define d7 6
#define LEDH 2
#define LEDG 3


#define DHTPIN 13
#define DHTTYPE DHT22

LiquidCrystal lcd(rs, rw, en, d4, d5, d6, d7);
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16,2);
  dht.begin();
  Serial.begin(115200);
  delay(10);
  lcd.clear();
  pinMode(LEDH, OUTPUT);
  pinMode(LEDG,OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:

  float hum = dht.readHumidity();
  float temp = dht.readTemperature();
  float hic = dht.computeHeatIndex(temp, hum, false);


  switch (int (temp))
    {
      case 29:
      digitalWrite(LEDH, HIGH);
      //digitalWrite(LEDG, LOW);
      break;

      case 20:
      digitalWrite(LEDG, HIGH);
      //digitalWrite(LEDH, LOW);
      break;

      default:
      digitalWrite(LEDH, LOW);
      digitalWrite(LEDG, LOW);
      break;
    }

  Serial.print("Temp : ");
  Serial.print(temp);
  Serial.print("°C Hum : ");
  Serial.print(hum);
  Serial.print("% Heat Index : ");
  Serial.print(hic);
  Serial.println("°C");
  
  lcd.setCursor(0,0);
  lcd.print("Temp : ");
  lcd.print(temp);
  lcd.print(char(223));
  lcd.print(" C");
 
  lcd.setCursor(0,1);
  lcd.print("hum : ");
  lcd.print(hum);
  lcd.print("  % ");

  delay(1000);

}