This Ethernet Shield is based on the Wiznet W5100 Ethernet Chip, providing a reliable and straightforward way to connect your Arduino projects to the Internet. Compatibility Fits Arduino main boards including Duemilanove (168 or 328) and Mega 1280/2560 Also usable with other boards that support the Arduino Ethernet library Easy integration Accessible using the standard Arduino Ethernet library for simple setup and integration No need for custom network stack programming What it enables Adds network connectivity so your Arduino can access the Internet Supports hosting a small web server, fetching data from online services, and sending sensor readings to remote endpoints Key benefits Hardware TCP/IP stack for efficient and reliable networking Simple setup with broad compatibility across Arduino boards Enables Internet connectivity for a wide range of projects without complex software requirements Use scenarios Remote data logging Collect sensor data and post it to a web server or online database for later analysis. Web controlled projects Serve a basic web page or respond to HTTP requests to control relays, motors, or other devices. Network monitoring Send periodic status updates to a remote dashboard or monitoring service for realtime visibility. Notes This shield is designed to work with Arduino boards using the standard Ethernet library Based on the Wiznet W5100 chip, it provides a straightforward path to online functionality for your Arduino projects