Description
The Ethernet W5100 R3 Ethernet & SD Shield is a powerful expansion board that enables your Arduino to connect to the internet using a wired Ethernet connection.
Built around the reliable W5100 Ethernet chip, this shield supports TCP/IP protocols, allowing your Arduino to function as a web server, client, or network interface for IoT applications.
In addition to networking capabilities, the shield features a built-in microSD card slot, making it easy to store and retrieve data such as logs, sensor readings, and web files.
It is fully compatible with Arduino Uno and other standard boards, stacking directly on top for a clean and efficient setup. Whether you’re building a web server, remote monitoring system, or data logging project, this shield is an essential tool.
Key Features
- Based on W5100 Ethernet chip
- Supports TCP/IP networking protocols
- RJ45 Ethernet port for wired connection
- Built-in microSD card slot for data storage
- Easy integration with Arduino boards
- Stackable design compatible with Arduino shields
- Stable and reliable performance
Technical Specifications
- Chipset: W5100
- Operating Voltage: 5V
- Interface: SPI communication
- Ethernet Speed: 10/100 Mbps
- SD Card Support: MicroSD (FAT16/FAT32)
- Compatible Boards: Arduino Uno, Mega, and similar
- Network Protocols: TCP, UDP, ICMP, IPv4
- Connector: RJ45 Ethernet port
- PCB Type: Shield (R3 form factor)
Package Includes
- 1 × Ethernet W5100 R3 Ethernet & SD Shield
Applications
- IoT and smart home systems
- Web server projects
- Remote monitoring systems
- Data logging with SD card
- Industrial and automation networking
Note
Ensure proper SPI pin configuration when using both Ethernet and SD card functions. Compatible libraries are available in the Arduino IDE for easy setup.
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