How to Build a Dual-Port Art-Net v4 / sACN to DMX512/RDM Node with WIZnet W5500 on ESP32-S3?
ESP-NODE-2RDM is an ESP32-S3 Art-Net v4 / sACN (E1.31) node that outputs two DMX512/RDM ports with multi-source merging. It uses a WIZnet W5500 SPI-Ethernet.
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Components
Hardware components
WIZnet - W5500
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Project description
Project intro ESP-NODE-2RDM is a “network DMX node” that receives lighting data over Ethernet/Wi-Fi and outputs it as two independent DMX512/RDM ports. It targets professional environments (stage, architectural, broadcast, theatre) where you need deterministic output timing, multi-controller workflows, and remote configuration. On the network side, it supports Art-Net v4 (UDP port 6454) and sACN (ANSI E1.31) with multicast capability—two common ways consoles/media servers deliver DMX universes over IP. On the DMX/RDM side, it implements: DMX output at ~44 Hz, 512 channels per port DMX input…
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