Ethernet W5100 Development Board for Arduino – Full TCP/IP Network Module Bring reliable network connectivity to your Arduino and embedded projects with the W5100 Ethernet Development Board. Built around the WIZnet W5100 chip, this module offers a complete hardware-based TCP/IP stack that simplifies Ethernet communication for microcontrollers. Key Features Integrated W5100 Chip: Provides built-in TCP/IP protocol handling, greatly reducing the processing load on your main MCU. Multiple Protocol Support: Supports TCP, UDP, ICMP, IPv4, ARP, IGMP, and PPPoE for flexible network communication. High-Speed SPI Interface: Ensures fast and efficient data transfer between your Arduino and the Ethernet module. Four Independent Sockets: Capable of maintaining up to four simultaneous network connections. LED Indicators: Power, link, and data transmission LEDs make monitoring device status quick and easy. Easy Integration: Fully compatible with Arduino and other microcontrollers; ideal for IoT, automation, and remote monitoring projects. Flexible Power Supply: Operates on 3.3V or 5V, suitable for different systems. Compact Design: Approx. 7cm x 5.4cm x 2.4cm, saving valuable space in your project. Applications DIY IoT devices and home automation Network-enabled sensors and controllers Remote data logging projects Prototyping and student electronics projects