#include "DHT.h"
#include <LiquidCrystal.h>
#define DHTPIN A2     // DHT PIN 2
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
#define rs 13
#define rw 12
#define en 11
#define d4 10
#define d5 9
#define d6 8
#define d7 7

#define ledh 2
#define ledm 3


#define buzz A5

LiquidCrystal lcd(rs, rw, en, d4, d5, d6, d7);

void setup() {
  
  pinMode(ledh, OUTPUT);
  pinMode(ledm, OUTPUT);
  
  lcd.begin(16,2);
  Serial.begin(9600);
  Serial.println("DHT 22 test!");
  dht.begin();
}




void loop() {

  float h = dht.readHumidity();
  
  float t = dht.readTemperature();
  
  float hic = dht.computeHeatIndex(t, h, false);

  switch (int(t))
  {
    case  30 :
    digitalWrite(ledm, HIGH);
    break;

    case  25 :
    digitalWrite(ledh, HIGH);
    break;

    default :
    digitalWrite(ledm, LOW);
    digitalWrite(ledh, LOW);
    break;
}
  Serial.print("Temp : ");
  Serial.print(t);
  Serial.print("°C Hum : ");
  Serial.print(h);
  Serial.print("% Heat Index : ");
  Serial.print(hic);
  Serial.println("°C");

  lcd.setCursor(0,0);
  lcd.print("Temp : ");
  lcd.print(t);
  lcd.print(char(223));
  lcd.print("C");


  lcd.setCursor(0,1);
    lcd.print("hum : ");
    lcd.print(h);
    lcd.print("%");
    delay(1000);
  }