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【Ethernet Shield for Arduino】Based on the Wiznet W5100 Ethernet chip, the Ethernet Shield allows Arduino boards to connect to the internet.
【Standard RJ45】The Ethernet shield features a standard RJ-45 connection with an integrated line transformer and Power over Ethernet.
【Onboard SD Card Slot】Onboard micro SD card slot, which can be used to store files for serving over the network.
【Wide Compatibility】Compatible with Arduino, Crowduino, and Mega (using Ethernet library).
The Arduino-compatible Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100ethernet chip . The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP. It supports up to four simultaneous socket connections. Use the Ethernet library to write sketches which connect to the internet using the shield. The ethernet shield connects to an Arduino board using long wire-wrap headers which extend through the shield. This keeps the pin layout intact and allows another shield to be stacked on top.
The Ethernet Shield has a standard RJ-45 connection, with an integrated line transformer and Power over Ethernet enabled.
There is an onboard micro-SD card slot, which can be used to store files for serving over the network. It is compatible with the Arduino, Crowduino and Mega (using the Ethernet library). The onboard microSD card reader is accessible through the SD Library. When working with this library, SS is on Pin 4.
There is also the w5200 Ethernet Shield for you.