#include <DHT.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);
const int DHTPIN=4;
const int DHTTYPE=22;
DHT dht(DHTPIN,DHTTYPE);
void setup() {
  // put your setup code here, to run once:
 dht.begin();
 lcd.init();
 lcd.backlight();
 Serial.begin(9600);
 pinMode(7, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 float temp=dht.readTemperature();
 int h=dht.readHumidity();
 lcd.scrollDisplayRight();
 delay(150);
 lcd.setCursor(0,0);
 lcd.print("temperature:");
 lcd.print(temp);
 lcd.setCursor(0,1);
 lcd.print("Humidity:");
 lcd.print(h);
 Serial.print("Temperature:");
 Serial.println(temp);
 Serial.print("HUMIDITY:");
 Serial.println(h);
 if(temp>=40||h>=80){
  digitalWrite(7,1);

 }else{
  digitalWrite(7,0);
 }

}