Wiznet makers

https://www.robocore.net/shields-arduino/arduino-shield-ethernet-w5500

W5500 Usage: The W5500 Ethernet controller is the core component of the Ethernet W5500 Shield, providing enhanced networking capabilities compared to its predecessor, the W5100. The W5500 supports up to 8 simultaneous connections and includes a 32KB buffer for TCP and UDP communication. This allows the shield to handle multiple network tasks efficiently. Additionally, the shield is equipped with a unique MAC address registered with the IEEE, ensuring no network conflicts.

Applications of the Ethernet W5500 Shield:

Network Projects:

• Web Server/Client: The shield supports web server/client architectures, enabling the development of projects that require web-based interfaces or communication.
• File Storage and Management: With a built-in MicroSD card slot (up to 32GB), the shield can store and manage files on a network server. The shield can detect the presence of a MicroSD card via Arduino code.

Compatibility:

• Arduino Boards: The shield is compatible with all Arduino boards, including those not adhering to the R3 standard. This ensures that existing projects using older Ethernet shields can be easily upgraded to the W5500 without major modifications.
• TCP/UDP Protocols: The shield supports multiple TCP/IP protocols, making it versatile for various network communication needs.

Unique Features:

• Multiple Connections: Supports up to 8 independent sockets simultaneously, doubling the capacity of previous versions.
• Indication LEDs: LEDs indicate power status, network link presence, full duplex connection, 100 Mb/s network presence, and Tx/Rx activity.
• Conflict-Free Operation: Each shield has a unique MAC address, ensuring no network conflicts.

Pin Configuration:

• Arduino UNO R3: Uses digital pins 4, 10, 11, 12, 13.
• Arduino Mega 2560 R3: Uses digital pins 4, 10, 50, 51, 52.

Important Considerations: Since the W5500 and MicroSD share the SPI bus, only one can be active at a time. When using both peripherals in your program, ensure proper library management. If not using one of the peripherals, explicitly deselect it by setting the appropriate pins to HIGH (MicroSD: pin 4, W5500: pin 10).

The Ethernet W5500 Shield is ideal for various network-related projects, offering robust and reliable performance with easy integration into existing Arduino setups.