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

#include <DHT.h>
#define DHTPIN 2
#define DHTTYPE DHT22
#define LEDPIN 8
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // put your setup code here, to run once:

pinMode(LEDPIN, OUTPUT);
lcd.init();
lcd.clear();
lcd.backlight();

dht.begin();
Serial.begin(9600);

}

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

float humi = dht.readHumidity();
float temp = dht.readTemperature();

lcd.setCursor(0,0);
lcd.print("Temp ");
lcd.setCursor(7,0);
lcd.print(temp);
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(humi);
lcd.setCursor(13,1);
lcd.print("%");

if (temp > 30.0 || humi < 40.00) {
  digitalWrite(LEDPIN, HIGH);
} else {
  digitalWrite(LEDPIN, LOW);
}
delay(1000);

}