#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

const int ledPin = 2;     // LED pin

void setup()
{
  Wire.begin(23, 22); // Initialize the I2C communication with SDA pin 23 and SCL pin 22.
  Serial.begin(9600); /// Initialize the serial communication at a baud rate of 9600 bits per second.
  lcd.init();       // initialize the lcd 
  lcd.backlight();    // turn on the backlight
  pinMode(ledPin, OUTPUT); 
}

void loop()
{
  int16_t i = analogRead(34);
// Use the ternary operator to determine the moisture status based on the value of 'i'.
// If 'i' is less than 300, set 'msg' to "DRY"; if 'i' is greater than 700, set 'msg' to "WET"; otherwise, set 'msg' to "OK".
String msg = i < 300 ? "DRY" : i > 700 ? "WET" : "OK";

  lcd.clear();
  lcd.print("Soil: ");
  lcd.print(msg);
  if(i<=300){
  digitalWrite(ledPin, HIGH); // will turn on the LED(motor) if the soil is dry (i<300)
  }
  else {
  digitalWrite(ledPin, LOW);
  }

  lcd.setCursor(0, 1);  // Set cursor to the first column and second row
  lcd.print("SensorValue:");
  lcd.print(i);

  delay(500); 

}