Keyestudio W5100 Ethernet Shield for Arduino UNO R3 and Mega 2560
The keyestudio W5100 Ethernet Shield gives you an easy way to get your Arduino online. It can turn your Arduino into a simple web server or use the internet to read and write its digital and analog outputs or inputs. It is directly supported by the official Arduino Ethernet Library, and it also supports the read & write of mini SD card (TF card). The shield adopts a stackable design, so you can directly plug it to your Arduino board. It’s also compatible with our other keyestudio shields.
Compatible with Arduino Mega2560/Uno R3
Adds a micro-SD card slot, can be used to store files for serving over the network
Also compatible with Arduino Duemilanove and Mega series