This W5500 ethernet module available at Lazada for less than USD6
Just search for W5500
Connect through SPI
7 connections needed from the ethernet module
(5V, GND, MISO, MOSI, SCK, RST & SS) to Arduino Mega 2560
Arduino Mega 2560 pinout
Connection in action
Get an example code from https://www.arduino.cc/en/Reference/Ethernet
Make sure to compile with Ethernet2.h because this module is using W5500 chip
End result, it works!








