#include "DHT.h"

#define DHTPIN 2     
#define DHTTYPE DHT22 

DHT dht(DHTPIN, DHTTYPE);

#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println(F("Temperature and Humidity Monitoring System"));

  dht.begin();

  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(2,0);
  lcd.print("welcome to");
  lcd.setCursor(1,1);
  lcd.print("SMART FARMING");
  delay(1000);
  lcd.clear();
  
}

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

  // Check if any reads failed and exit early (to try again).
  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 "));
  lcd.setCursor(0,3);
  lcd.print("temp:");
  lcd.println(temperature);
  lcd.setCursor(10,3);
  lcd.print("hum:");
  lcd.println(humidity);
  delay(2000);

}