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W5100 Ethernet Shield with Micro SD Card Slot for Arduino
W5100 Ethernet Shield adds wired internet connectivity to Arduino projects using the Wiznet W5100 controller. It supports TCP/IP communication and features an onboard micro SD card slot for data logging and file storage—ideal for IoT, web servers, and network-based applications.
W5100 Ethernet Shield with Micro SD Card Slot for Arduino
The W5100 Ethernet Shield is a powerful network expansion board designed to add reliable wired internet connectivity to your Arduino projects. Based on the Wiznet W5100 Ethernet controller, this shield enables seamless TCP/IP communication, making it ideal for IoT applications, web servers, data logging, and remote monitoring systems.
Equipped with an integrated micro SD card slot, the W5100 Ethernet Shield allows local data storage for logs, web pages, or configuration files. The shield connects directly to Arduino boards using standard SPI pins and supports popular boards such as Arduino UNO, Mega, and compatible models.
With easy library support and stable performance, this Ethernet shield is perfect for students, hobbyists, and professionals working on network-enabled embedded systems.
Key Features:
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Based on Wiznet W5100 Ethernet controller
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Supports TCP, UDP, HTTP, FTP, and DHCP protocols
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RJ45 Ethernet port with 10/100 Mbps support
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Built-in micro SD card slot for data storage
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Uses SPI interface for fast communication
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Compatible with Arduino UNO, Mega, and similar boards
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Ideal for IoT, web server, and data logging projects
Applications:
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IoT and smart automation systems
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Arduino-based web servers
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Network data logging and monitoring
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Home and industrial networking projects
This W5100 Ethernet Shield with SD card slot is a reliable and cost-effective solution for bringing network functionality to your Arduino projects.

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