
Ethernet Shield W5100 R3 Mega for R3. W5100 Ethernet Chip: Based on Wiznet W5100 chip for reliable TCP and UDP network stack support. Micro-SD Card Slot: Includes a slot for storing files to be served over the network. Multi-Board Compatibility: Compatible with Duemilanove, Uno, Mega 1280, and Mega 2560 boards. Official Library Support: Directly supported by the official Ethernet Library for easy integration. Four Simultaneous Sockets: Supports up to four simultaneous socket connections for complex networking. SD Library Access: Can be accessed using the standard SD library for file management. Web Server Capability: Enables writing sketches to create simple web servers on the network. ESD Protection: Packed with ESD Type FUT6101 protection for safe transport.