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|
|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|
|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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