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Open-Source Artnet LED controller! 2700+ leds @40fps

Open-source ArtNet LED controller using ESP32 + W5500, controls 2700+ WS281x LEDs at 40fps via Ethernet. Web UI, OTA updates, high stability and low latency.

Lihan__

Published June 25, 2025

86 UCC

10 WCC

5 VAR

Original source (new tab)

Open-Source Artnet LED controller! 2700+ leds @40fps

Components

Hardware components
W5500

WIZnet - W5500

x 1

WIZnet parts

Project description

🧩 Hardware Configuration MCU: ESP32-WROOM-32 module Ethernet Module: WIZnet W5500 (preferred over ESP32-ETH01 for higher stability and performance) LED Output: Up to 4 output ports, each supporting 4 ArtNet universes (16 universes total) Supported LEDs: WS2811, WS2812(B), WS2815 (800kHz, single-wire protocol) Power Design: 12V input stepped down to 5V via buck converter, fuse protection and screw terminals Debug Display: 128x32 OLED (optional) Status LED: RGB LED to visualize controller state 💻 Software Stack Development Environment: Arduino IDE (ESP32 Board Manager v2.0.17 or lower…

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