#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2

#define soil 3
#define Red 4
#define green 5
#define Relay 6
int val;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  // Init
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  pinMode(3, INPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);

  // Print something
  lcd.setCursor(0, 0);
  lcd.print("Automatic Plant");
  lcd.setCursor(0, 1);
  lcd.print("watering system");
  delay (5000);
  lcd.clear();
  
}


void loop() {
  val= digitalRead(soil);
  if(digitalRead(soil) == LOW){
Serial.println(val);
digitalWrite(Red, HIGH);
digitalWrite(green,LOW);
digitalWrite(Relay,HIGH);
  lcd.setCursor(0, 0);
  lcd.print("Soil is dry");
  lcd.setCursor(0, 1);
  lcd.print("Pump will on ");
} else {
digitalWrite(Red, LOW);
digitalWrite(green, HIGH);
digitalWrite(Relay, LOW);
  
  lcd.setCursor(0, 0);
  lcd.print("Soil is wet now");
  lcd.setCursor(0, 1);
  lcd.print("Pump will off");
  
delay(500);
}
}