Light control with DMX/RDM: set address

Projects Programming
1

Hello,

I have 2 daisy chained light fixtures that I want to control individually from an Arduino Mega.

The lights just have a while dimmable LED but don't have a physical way to set the DMX address. The manufacturer states that the address can be set using RDM. Once the addresses are set, I can control them with regular DMX commands.

This is an overview of the setup:
DMX-RDM-schematic

I first looked into the DMX/RDM library from Conceptinetics but to my limited knowledge it has limited RDM support. I did get it to control a single fixture easily (just DMX control to address 1).

Then I looked at the DMXSerial2 library (Using Arduino for sending and receiving DMX RDM) I think it will be compatible with the Conceptinetics shield, but the code is a little overwhelming. I have some experience using DMX, but I'm new to RDM and the single example file shows a demo for a receiving RDM client. I didn't find any info on setting up a DMX master using RDM.

Does someone here have experience how to set the addresses through RDM?

All the best,
Elias

2

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