#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#include <RTClib.h>

#define DHT_PIN 8
#define RELAY_PIN 9

#define DHT_TYPE DHT22

DHT dht(DHT_PIN, DHT_TYPE);
RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 20, 4); // Adjust the I2C address if needed

void setup() {
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW); // Initialize relay off

  dht.begin();
  Wire.begin();
  rtc.begin();

  lcd.begin(20, 4);
  lcd.print("Smart Irrigation");
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  DateTime now = rtc.now();
  int currentHour = now.hour();
  int currentMinute = now.minute();

  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.print(temperature);
  lcd.print("C  Humidity: ");
  lcd.print(humidity);
  lcd.print("%");

  delay(1000);
}