Product overview This Ethernet module uses the W5500 network controller to add wired LAN connectivity to microcontroller projects. It is a compact module designed for easy integration with Arduino and other development boards, and supports both 3.3V and 5V logic levels. The module is a newer version that replaces older W5100based modules and improves conversion rates and network performance. Key benefits Reliable wired network connectivity for microcontrollers: offloads TCP IP processing to the W5500 controller so your main processor can focus on application logic. Broad compatibility: works with Arduino and other development boards that support SPI communication, with logic level handling for both 3.3V and 5V systems. Improved performance over previous generation: upgraded from W5100 to W5500 to provide better data handling and conversion efficiency. Easy integration: compact footprint and straightforward connections make it suitable for prototypes and permanent installations alike. Stable and consistent operation: designed for continuous network use in embedded projects. Main features Function: provides LAN network access and hardware TCP IP offload via the W5500 controller. Compatibility: tailored for Arduino and compatible microcontroller boards; supports both 3.3V and 5V logic. Performance: upgraded from W5100 to W5500 for improved conversion rates and more efficient network handling. Form factor: compact module suitable for breadboard or PCB mounting and for use in spaceconstrained projects. Construction: standard PCB module designed for embedded electronics applications. Practical applications Remote data logging: collect sensor data on a microcontroller and send measurements to a server or database over Ethernet for reliable longterm logging. Home automation gateway: use the module to connect sensor and actuator nodes to a local network for centralized control and monitoring. Industrial monitoring and control: add wired network connectivity to controllers for deterministic, lowlatency communication in factory or lab environments. Why you might choose this module You need dependable wired Ethernet connectivity for an Arduino or similar microcontroller project. You require compatibility with either 3.3V or 5V logic without extra levelshifting hardware. You want the improved network handling offered by the W5500 compared to older W5100based modules. Integration notes Designed for use with microcontrollers that support SPI communication. Check pinout and wiring against your board to ensure correct connections for power, SPI signals, and network interfacing. This module provides a straightforward way to add robust LAN networking to embedded projects while maintaining compatibility with common development boards and logic levels.