#include <LiquidCrystal_I2C.h>
#include "DHT22.h"

LiquidCrystal_I2C lcd(0x27, 20, 4);

DHT22 dht22(4, 2, 3, 4, 5);

void setup() {
  
  Wire.begin();

  lcd.init();
  
  lcd.clear();

  lcd.setCursor(0, 0);
  lcd.print("Temperature");
  lcd.setCursor(12, 0);
  lcd.print("Humidity");
  lcd.setCursor(0, 1);
  lcd.print("Max");
  lcd.setCursor(0, 2);
  lcd.print("Aver");
  lcd.setCursor(0, 3);
  lcd.print("Min");
}

void loop() {

  dht22.reading();

  for (int i = 1; i < 4; i++) {

    for (int j = 5; j < 18; j++) {

      lcd.setCursor(j, i);
      lcd.write(254);
    }
  }

  lcd.setCursor(5, 1);
  lcd.print(dht22.getMaxTemperature());
  lcd.setCursor(5, 2);
  lcd.print(dht22.getAverTemperature());
  lcd.setCursor(5, 3);
  lcd.print(dht22.getMinTemperature());

  lcd.setCursor(12, 1);
  lcd.print(dht22.getMaxHumidity());
  lcd.setCursor(12, 2);
  lcd.print(dht22.getAverHumidity());
  lcd.setCursor(12, 3);
  lcd.print(dht22.getMinHumidity());

  delay(1000);
}