Mạch Ethernet Shied W5100 Có Khe Thẻ Nhớ Cho Arduino UNO Mega Color: Blue Material: Electronic components Length: 7.6cm Width: 5cm Height: 3cm Function: Function: Arduino Ethernet expansion module with W5100 as the core can make Arduino a simple Web server or network control to read and write Arduino's digital and analog interfaces and other network applications. You can directly use the IDE in the Ethernet library file to achieve a simple Web server. Features: This version supports mini SD card (TF card) read and write. Can be used as server or client Directly plug puzzle board, no soldering required Packing List: 1 x Ethernet W5100 Network Expansion Board For Arduino MEGA