W5100 Ethernet Shield for Arduino

Stackable shield with Wiznet W5100 chip enables 10/100Mbps Ethernet (TCP/UDP/IPv4, 4 sockets) + microSD slot—plugs directly on Uno/Mega (SPI pins 10–13), Arduino Ethernet library support. Ideal for first-year engineering students building web servers/sensors with data logging.

RJ45 PoE-ready; LEDs (link/full/100M/TX/RX/COLL); 3.3V internal (5V tolerant).

Pins Used

• Uno: 10 (CS W5100), 4 (SD), 11–13 (SPI).
• Mega: 50–52 (SPI), 53 (CS), 49 (SD), 4.

Note: Product size and dimensions may vary (~69x54mm).

Disclaimer: The images shown are for illustration purposes only and may not be an exact match.