Published 8 Oct 2026

Arduino Ethernet Shield 2

\\ {{ :electronic:boards:shield:.jpg?200|Overview}} ^ Shield Description || ^Model|**Ethernet Shield 2**| ^Manufacturer|Arduino| ^Brand|Arduino| ^Clone of|-| ^Arduino compatibility|Uno| ^Type|Ethernet| ^Voltage|5V| ^Current| | ^Software| | ===== Overview ===== An ethernet networking interface. ===== Features ===== * Wiznet W5500 ethernet chip with internal 32K buffer * Provides a network (IP) stack capable of both TCP and UDP * Connection speed: 10/100Mb * Supports up to eight simultaneous socket connections * Uses SPI on digital pins 10, 11, 12, and 13 (pins 50, 51, and 52 on the Mega), and pin 4 for the SD card * Micro‐SD card slot \\ ---- ===== Examples ===== {{electronic:boards:shield:.jpg?800|Overview}} ====== References and Additional Resources ====== * {{electronic:boards:shield:a000024_web.pdf|Arduino Ethernet Shield 2}} * http://arduino.cc/en/Main/ArduinoEthernetShield * https://www.arduino.cc/en/uploads/Main/arduino-Ethernet-Shield2-V2-rd.zip Eagle files in Zip * https://www.arduino.cc/en/uploads/Main/arduino-Ethernet-Shield2-V2-sch.pdf Schematics in PDF

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