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

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int dirPin = 3;
const int stepPin = 2;
const int rainPin = A0;

void setup() {
pinMode(dirPin, OUTPUT);
pinMode(stepPin, OUTPUT);
lcd.init();
lcd.backlight();
Serial.begin(9600);
}

void loop() {
  int rainStatus = analogRead(rainPin);
  Serial.print("Rain Intensity: ");
  Serial.println(rainStatus);
  if (rainStatus > 500 ) {
      lcd.backlight();
      motor_start (200);
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Water");
      lcd.setCursor(0,1);
      lcd.print("Treatment On");
  }
  else if (rainStatus>10) {
      lcd.backlight();
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Its Raining");
      delay(1000);
  }
  else {
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("No Rain");
      delay(1000);
      lcd.noBacklight();
  }
}

void motor_start (int steps)
{
  digitalWrite(dirPin, LOW);

  for(int x= 0; x < steps; x++)
  {
    digitalWrite(stepPin, HIGH);
    delayMicroseconds(2000);
    digitalWrite(stepPin, LOW);
    delayMicroseconds(2000);
  } 
  delay(100);
}