/*#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x3F for a 16 chars and 2 line display

void setup() {
  lcd.init();
  lcd.clear();         
  lcd.backlight();      // Make sure backlight is on
  
  // Print a message on both lines of the LCD.
  lcd.setCursor(2,0);   //Set cursor to character 2 on line 0
  lcd.print("Hello world!");
  
  lcd.setCursor(2,1);   //Move cursor to character 2 on line 1
  lcd.print("LCD Tutorial");
}

void loop() {
}*/
#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);

const int relayPin = 7;

void setup() {
  // Initialize serial communication
  Serial.begin(9600);

  // Initialize LCD
  lcd.init();
lcd.backlight();

  // Initialize relay pin as an output
  pinMode(relayPin, OUTPUT);

  // Check if RTC is running and initialize
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

}

void loop() {
  // Get current date and time from RTC
  DateTime now = rtc.now();
  
  lcd.setCursor(0, 0);
  lcd.print("Time: ");
  lcd.print(now.hour());
  lcd.print(":");
  lcd.print(now.minute());

  // Check if the current time is within the desired watering schedule
  if (now.hour() == 20 && now.minute() == 0 || (now.hour() == 19 && now.minute() == 36)) {
    // Turn on the relay to activate the water pump
    lcd.clear();
    digitalWrite(relayPin, HIGH);

    // Display message on LCD
    lcd.clear();
    lcd.print("Watering plants");

    // Wait for 30 seconds
    delay(10000);

    // Turn off the relay
    digitalWrite(relayPin, LOW);
  }

  // Update the LCD display with the current time
  lcd.setCursor(0, 0);
  lcd.print("Time: ");
  lcd.print(now.hour());
  lcd.print(":");
  lcd.print(now.minute());
}