Please download the code link here;https://github.com/passion-tech/Hello-tech/blob/master/Soil_moisture_Sensor_with_Relay___Lcd.ino
Download i2c LiquidCrystal Zip file ; https://github.com/passion-tech/Hello-tech/blob/master/LiquidCrystal_I2C-1.1.2.zip
Download i2c Scanner Code here;https://github.com/passion-tech/Hello-tech/blob/master/i2c-scanner.ino