[vcf-midatlantic] Kind of OT: RS-485 to DMX-512

Neil Cherry ncherry at linuxha.com
Fri Nov 30 20:54:00 EST 2018

On 11/30/18 4:36 PM, Martin Flynn via vcf-midatlantic wrote:
> Trying to get a lighting controller to talk to 1986 vintage microprocessor based lighting 
> control packs.
> The PHY layer of DMX-512 (lighting control protocol) is RS-485.
> Anyone have code samples that could be used as a starting point, or should I break down & 
> buy the  USB to DMX-512 cable?

Python has libraries (not sure that's what you want). There are also Arduino
libraries. You might be able to hack together a DMX sniffer with some RS485
Chips. I have a couple of USB RS485 dongles that would allow you to toss the
Python Library onto any modern computer.

Linux Home Automation         Neil Cherry       ncherry at linuxha.com
http://www.linuxha.com/                         Main site
http://linuxha.blogspot.com/                    My HA Blog
Author of:    	Linux Smart Homes For Dummies

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