Arduino Ethernet shield w5100

Arduino Ethernet Shield W5100: Overview

The Arduino Ethernet Shield W5100 allows an Arduino board to connect to the internet via the Ethernet protocol. It uses the WIZnet W5100 Ethernet chip, which supports up to four simultaneous socket connections. Key Features:

• WIZnet W5100 Ethernet chip

• Supports TCP and UDP protocols

• Enables connection to the internet or local network

• Compatible with most Arduino boards (Uno, Mega, Leonardo, etc.)

• Built-in microSD card slot for storing or serving files

• Connects using SPI (Serial Peripheral Interface)

🔌 How It Connects

• Uses SPI pins of the Arduino for communication (pins 10, 11, 12, 13 on Uno)

• You plug it on top of your Arduino like a shield

• Connects to your router or switch using an RJ45 Ethernet cable