[Noisebridge-discuss] arduino dmx receiver

[Mitch Altman]

Hi Robb, 

Any sketch that works on an old Arduino board will also work on any new one.  

Best, 
Mitch. 

From: sf99er at gmail.com
Date: Thu, 31 Mar 2016 13:56:33 -0700
Subject: Re: arduino dmx receiver
To: pp at myelin.nz
CC: maltman23 at hotmail.com; noisebridge-discuss at lists.noisebridge.net

thx for the responses

@PhilIP nice boards! (your pic rendered) are those mathertels? 
my usb>rs-485(dmx) adapter/converter has 3 connectors (grd, D+ & D-) which connect to a neutrik xlr panel connector (see attached). 
​
@Mitch although there are lots of posts/pages describing how to code dmx on arduinos, most of the work has been done related to transmitting dmx (mostly on pre-uno versions, which are very hard to find) and not receiving it. the few libraries for receiving dmx are quite old & don't seem to be very straight forward, i.e. require editing hardwareserial.cpp at a keyword that does not actually exist in the file (ArDMX). 
thanks for the invite to hhn. food not bombs just brought me a wheelchair, so i might be able to take you up on it soon.

cheers
~r

lulzlux - ASK (Activist Support Krewe)

On Thu, Mar 31, 2016 at 1:32 AM, Phillip Pearson <pp at myelin.nz> wrote:
I sent the following response but it may have gotten rejected by the list software because of the embedded image:
I've been working on DMX stuff for a little bit... have been soldering up DMX interface boards at NB tonight, in fact!
[picture of DMX boards removed]
Is your FTDI to RS485 adapter designed for DMX output -- i.e. on one end it has a female XLR connector that would plug into one of the boards above?
Can you email me a photo of your setup so I can get a better idea of how the RS485 modules are wired up?

Cheers,Phil
On Thu, Mar 31, 2016 at 1:18 AM, Mitch Altman <maltman23 at hotmail.com> wrote:



Hi Robb, 

If you don't get an answer here, try searching for "Arduino DMX" you'll find plenty that people have worked out.  Also, please come to Circuit Hacking Monday, every Monday at 7:30pm, where people help each other with everything hardware. 

Cheers, 
Mitch. 

From: sf99er at gmail.com
Date: Wed, 30 Mar 2016 21:35:49 -0700
To: noisebridge-discuss at lists.noisebridge.net
Subject: [Noisebridge-discuss] arduino dmx receiver

hey gang,
anyone know how to code an arduino to receive dmx and output pwm to leds? i think i've tried everything on the arduino site's dmx page but nothing seems to work.

my setup is qlcplus > ftdi to rs-485 adapter > ttl to rs-485 module > arduino

i will come sweep, mop & dust noisebridge, when my broken foot heals, if someone can point me in the right direction.

thx for being there
 ~r


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