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Ethernet Shield‏‎

The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100/W5200 ethernet chip providing a network (IP) stack capable of both TCP and UDP. Use the Ethernet library to write sketches which connect to the internet via a RJ45 Ethernet jack.

Seeeduino Ethernet Ethernet Shield V1.0 Ethernet Shield V2.0

Here lists the comparison among various versions of Ethernet Shield:

Parameter Seeeduino Ethernet Ethernet Shield V1.0 Ethernet Shield V2.0
Working Voltage +6.2V~+13V +5V +5V
Control Mode armed with a MEGA328P chip (do not need seeeduino/Arduino) Control by seeeduino/Arduino Control by seeeduino/Arduino
TCP/IP Ethernet Controller Wiz5100 Wiz5100 Wiz5200
power supply mode Extern power 5V pin of Arduino/Seeeduino 5V pin of Arduino/Seeeduino
Standard Shield Yes No Yes
SD Card Socket Support Micro SD card in FAT16 or FAT32, maximum storage is 2GB. No Support Micro SD card in FAT16 or FAT32, maximum storage is 2GB.
Grove Connector UART and IIC Connector No UART and IIC Connector
**Ethernet jack ** Minimal RJ45 Standard RJ45 Minimal RJ45

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