Ethernet Shield W5500 with Russia

wiki : https://wiki.iarduino.ru/page/wiki-ethernet-shield-w5500/

pecification:

• Supply voltage: 5V;
• Interface: SPI;
• Network protocols: TCP, UDP;
• Network interfaces: 10Mbps / 100Mbps;
• Internal buffer size: 32 kB;
• Operating modes: duplex / half duplex;
• LED indication;