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From Impossible to Reality: W5500-Based 12,288 LED Control System

This project uses W5500 hardware offload to drive 12,288 LEDs at 30 FPS with zero frame drops or latency.

Grace_Koo

Published January 28, 2026

112 UCC

25 WCC

11 VAR

Original author: Kavinda MadhubhashanaOriginal source (new tab)

From Impossible to Reality: W5500-Based 12,288 LED Control System

Components

Hardware components
W5500

WIZnet - W5500

x 1

WIZnet parts

Project description

The cover image of this article was generated by Gemini. This report analyzes the "High-Performance ArtNet Controller" project, where an engineer overcame the technical skepticism that "it cannot be done with the RP2350" by adopting the WIZnet W5500 to achieve professional-grade performance. 1. Project Introduction: What Was Built? This project was conducted by Sri Lankan embedded engineer Kavinda Madhubhashana, with the goal of developing a "High-Performance LED Display Controller" used for large-scale stage lighting or media facades. Project Goal: To receive video signals (ArtNet protocol)…

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