WIZNET5500 Ethernet Module for Arduino

Arduino WIZnet W5500 Ethernet Module

Overview

The Arduino WIZnet W5500 Ethernet Module is a powerful and flexible solution for adding Ethernet connectivity to your Arduino projects. With its high-speed network interface and minimal software overhead, this module is perfect for Internet of Things (IoT) applications, remote monitoring, and any project requiring robust wired network communication.

Key Features

• Ethernet Controller: WIZnet W5500

  • Supports TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocols

  • 10/100 Mbps Ethernet with auto-negotiation

• Network Interface

  • RJ45 connector with integrated magnetics

• SPI Interface

  • Standard Arduino SPI interface with data rates up to 80 MHz

  • Compatible with MISO, MOSI, SCK, and SS pins

• Power Supply

  • Operates at 3.3V or 5V

  • Typical power consumption: 132 mA at 3.3V

• Memory

  • 32 KB internal buffer for data transmission and reception

• Dimensions

  • Compact PCB size of 30mm x 25mm

  • Standard 2.54mm pin header for easy integration

Functional Description

The WIZnet W5500 Ethernet Module leverages the W5500 chip to provide a reliable Ethernet interface. By offloading the TCP/IP stack, the chip reduces the workload on the microcontroller, enhancing overall system performance. With support for multiple simultaneous connections, this module enables complex networking tasks such as web server hosting, remote data logging, and real-time control.

Pinout and Connections

• VCC: Power supply (3.3V or 5V)

• GND: Ground

• MISO: SPI Master-In Slave-Out

• MOSI: SPI Master-Out Slave-In

• SCK: SPI Clock

• SS: SPI Slave Select (configurable, typically D10 on Arduino)

• RESET: Hardware reset pin

• INT: Interrupt pin (for handling specific events)

Software Integration

The WIZnet W5500 Ethernet Module is supported by a comprehensive library available in the Arduino IDE. This library provides an easy-to-use API for network configuration, data transmission, and reception. Key functions include:

• Ethernet.begin(mac, ip): Initializes the Ethernet interface with the specified MAC and IP addresses.

• EthernetClient: Class for handling client connections.

• EthernetServer: Class for creating a server.

• EthernetUDP: Class for handling UDP communication.

Application Examples

1. Web Server: Host a web page to display sensor data and control actuators.

2. Data Logger: Send sensor data to a remote server for storage and analysis.

3. Remote Control: Operate devices over the network using a smartphone or computer.

The Arduino WIZnet W5500 Ethernet Module offers a reliable and straightforward way to add Ethernet connectivity to your projects. Its high-speed SPI communication, extensive protocol support, and easy software integration make it an ideal choice for network-enabled applications. Enhance your Arduino projects with robust Ethernet capabilities using this versatile module.