Russound RNET to Sonos Bridge

Check out PART 2, which goes into more details >

Here’s a sneak peak at my latest project — the RNET to Sonos Bridge. All coded using an Arduino and Ethernet Shield. What this little device allows you to do is control a Sonos device using any Russound whole house audio system that supports RNET sources. It allows next, previous, play, pause and I’m working on playlist access and support. Current track metadata gets sent to these keypads as a multi-field message.

I’m pretty much code complete but I’m running into a few memory issues… The Arduino only has <2K of available RAM that I can work with. I have an Arduino Mega (which offers 8K) on order to see if that solves things. I think I can still optimize my code to make it work with the 328.

I’ll post more when I get it 100% stable.

Update: Got it working! With about 500bytes left of RAM on the 328 chipset… this was a fun little project. Below is a video:

Also running on E6 Color Keypads:

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You’re currently reading “Russound RNET to Sonos Bridge,” an entry on mavromatic.

Published:: Thursday, July 22nd, 2010 at 10:10 am

Author:: Danny Mavromatis

Category:: Hacks & Mods, Home Automation, Home Improvement, Home Theater

Tags:: arduino, ethernet shield, home audio, Home Automation, rnet, russound, uno

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Welcome to mavromatic! My goal is to bring to your attention the latest DIY projects, the greatest home automation and home theater products. As well as, the occasional offbeat entry, to spice things up a bit.

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Danny Mavromatis

Hi Anthony,

Now sure if I will release all the source since it has taken me hours of trial and error and I'm an entrepreneur, however, the Sonos uses the standard uPnP spec. This is a great starter post: http://blog.fupps.com/2010/03/16/sonos-pause-sw... which provides code to play/pause a Sono with Arduino. I have done a lot more work to expand on the control (using full uPnP spec) and feedback as well as fit everything onto the 328 chipset + add RNET support. Feel free to ping me offline via email...

Cheers!
Danny

P.S. I'm now thinking of expanding control via a RNET to iTunes remote (via IP)
Anthony

Cool stuff Danny! If you're not going to post source anywhere any chance you'd be available for hire to help me with my sonos integration? Is your arduino plugged into the network somehow? I'd like to try to set up a little testbed curious what pieces I will need to do the arduino > sonos piece?
Anthony

I'd be curious to see how you are interfacing on the sonos side. I am trying to tie my clipsal keypads to sonos to do simple things like control volume / mute / etc. Will you be sharing any of the source for this project? I've never done anything with the arduino but am a java developer and imagine I could get my head around it pretty quickly.
Danny Mavromatis

Yes, Sonos is uPnP based and I have created a "bridge" from RNET (which is RS232) and I "listen" for keypad events which are setup as an "RNET Peripheral Source (Like the Russound ST (tuners) or iBridge). Essentially, I'm posing as an RNET source. What made me do this was I wanted access to a Pandora source and Sonos was the best system (cost and control). Hence, I developed this little device.

I found my earlier memory leak... now testing edge cases like when network issues happen. I'm using a CAV6.6 for my testing and will be trying it out on the Sphere Controller with color keypads next!
Anthony

This is very interesting. Mind posting some more details? How exactly are you interfacing to Sonos? I assume over upnp or something?

Russound RNET to Sonos Bridge

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