#include <dht.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define dataPin 8  // Defines pin number to which the sensor is connected
#define relayPin 4 // Defines the pin for the relay

dht DHT; // Creates a DHT object

// Define the I2C address for the LCD
#define I2C_ADDR 0x27 // You may need to change this address based on your LCD

// Define LCD dimensions
#define LCD_COLS 16
#define LCD_ROWS 2

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLS, LCD_ROWS);

void setup()
{
  Serial.begin(9600);
  lcd.begin(LCD_COLS, LCD_ROWS);

  // Set the relay pin as OUTPUT
  pinMode(relayPin, OUTPUT);
}

void loop()
{
  // Uncomment whatever type you're using!
  int readData = DHT.read22(dataPin); // DHT22/AM2302
  // int readData = DHT.read11(dataPin); // DHT11

  float t = DHT.temperature; // Gets the values of the temperature
  float h = DHT.humidity;    // Gets the values of the humidity

  
  // Display the results on the LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(t);
  lcd.print((char)176);
  lcd.print("C | ");
  lcd.print((t * 9.0) / 5.0 + 32.0);
  lcd.print((char)176);
  lcd.println("F");

  lcd.setCursor(0, 1);
  lcd.print("Humidity: ");
  lcd.print(h);
  lcd.print(" %");

  // Printing the results on the serial monitor
  Serial.print("Temperature = ");
  Serial.print(t);
  Serial.print(" ");
  Serial.print((char)176);
  Serial.print("C | ");
  Serial.print((t * 9.0) / 5.0 + 32.0);
  Serial.print(" ");
  Serial.print((char)176);
  Serial.println("F ");
  Serial.print("Humidity = ");
  Serial.print(h);
  Serial.println(" % ");
  Serial.println("");

  // Check if temperature is below 40
  if (t < 40)
  {
    // Activate the relay
    digitalWrite(relayPin, HIGH);
  }
  else
  {
    // Deactivate the relay
    digitalWrite(relayPin, LOW);
    Serial.println("Relay deactivated!");
  }

  if (h < 50)
  {
    digitalWrite(relayPin, LOW);
    Serial.println("the floar is dry");

  lcd.clear();
  lcd.setCursor(0, 1);
  lcd.print()


  }
 
  delay(2000); // Delays 2 seconds
}