Product description
The W5100 network extension module enables rduino to become a simple Web server or network applications such as reading and writing rduino's digital and analog interfaces over the network. A simple Web server can be implemented using library files directly in the IDE.
At the same time, this version supports mini SD card (TF card) read and write
The expansion board is stackable and plugs directly into the rduino, as well as our other expansion boards.