#include <LiquidCrystal.h>
#include <DHT.h>
int rs=27, e=26, d4=23, d5=22, d6=21, d7=19, led=18;
float t=0, h=0;
LiquidCrystal lcd(rs, e, d4, d5, d6, d7);
#define DHTTYPE DHT22
#define dht_pin 12
DHT dht(dht_pin, DHTTYPE);
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  lcd.begin(16, 2);
  dht.begin();
  pinMode(led, OUTPUT);
}

void loop() {
  lcd.setCursor(0,0);
  // put your main code here, to run repeatedly:
  t=dht.readTemperature();
  h=dht.readHumidity();
  lcd.print("Temp=");
  lcd.print(t);
  lcd.setCursor(0, 1);
  lcd.print("Hum=");
  lcd.print(h);
  if(t>35 || h<30)
  {
    digitalWrite(led, HIGH);
    delay(500);
  }
  else{
    digitalWrite(led, LOW);
    delay(500);
  }
   // this speeds up the simulation
}