#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);


#include <DHT.h>
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);


void setup() {
  // put your setup code here, to run once:
  pinMode(23, OUTPUT);
lcd.init();
lcd.clear();         
lcd.backlight();

dht.begin();

Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
float humidity = dht.readHumidity(); 
float temperature = dht.readTemperature();

lcd.setCursor(0,0);   
lcd.print("Temp :");
lcd.setCursor(7,0);   
lcd.print(temperature);

lcd.setCursor(13,0);   
lcd.print((char)223);
lcd.setCursor(14,0);   
lcd.print("C");

  
lcd.setCursor(0,1);  
lcd.print("Humi : ");

lcd.setCursor(7,1);  
lcd.print(humidity);
lcd.setCursor(12,1);   
lcd.print(" %");

if (temperature >= 40){
  Serial.println("bat den");
 digitalWrite(23, LOW);  // turn the LED on (HIGH is the voltage level)
 
}

else
 {
  Serial.println("tat den");
   digitalWrite(23, HIGH);  // turn the LED on (HIGH is the voltage level)
 }

if (humidity <= 60 ){
  
  Serial.println("DKS");
  
}

delay(1000);
}