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

#define I2C_ADDR1   0x27
#define I2C_ADDR2   0x25
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal_I2C lcd1(I2C_ADDR1, LCD_COLUMNS, LCD_LINES);
LiquidCrystal_I2C lcd2(I2C_ADDR2, LCD_COLUMNS, LCD_LINES);



#define DHTPIN 2
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);

  lcd1.init();
  lcd1.backlight();
  lcd2.init();
  lcd2.backlight();

  dht.begin();
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  // Serial.print(F("Humidity: "));
  // Serial.print(humidity);
  // Serial.print(F("%  Temperature: "));
  // Serial.print(temperature);
  // Serial.println(F("°C "));

  delay(2000);

  if (temperature > 0) {

    lcd1.setCursor(0, 1); lcd1.print("Temperature: ");
    lcd1.setCursor(0, 2); lcd1.print(temperature);
    // lcd1.setCursor(0, 1); lcd1.print("°C");
  }

  if (humidity > 0) {

    lcd2.setCursor(0, 1); lcd2.print("Humidity: ");
    lcd2.setCursor(0, 2); lcd2.print(humidity);
    // lcd2.setCursor(0, 1); lcd2.print("°C");
  }

  delay(2000);
}