UWB Ranging with the DecaWave DWM1000

[wholder]

I've been experimenting with the new DecaWave DWM1000 modules.  These offer a way to use Ultra Wideband pulse transmissions to perform ranging with up to 10 centimeter accuracy.  With 3 fixed "anchor" units and one roving "tag" module it's possible to do 2D tracking.  And, according to the manufacturer, they can also be used outdoors (within limits.)  Here's a link to an article describing my results, so far:

  https://sites.google.com/site/wayneholder/uwb-ranging-with-the-decawave-dwm1000

To get an idea of what's possible using this hardware and the open source Arduino library I'm using, see this guys video:

  https://www.youtube.com/watch?v=SwiUzBPI0zg

Wayne

[Ted Meyers]

Wow, that looks like a really good way to do tracking.  Should be great for testing,  Thanks for the heads-up on this.

Ted

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[jesse brockmann]

I agree.. Great work.  I read about these modules.   Looking forward to hearing more about it.

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[Ted Meyers]

One interesting point: in the video it appears that the guy doing the demo used 3 fixed ground stations to do the tracking, but really one would only need 2.  You do have to deal with left/right ambiguities, but in testing you probably already know which side the rover is on.

Also, looks like it has a range up to 300m; should be enough for what I want to do.

[Jon Russell]

I've just bought some too ... :-)

Does anyone have an eagle layout or breakout yet you would like to share ;-) 

Jon.

[Wayne (gmail)]

I have a breakout I'll put up a osh park as soon as I get back home (traveling at the moment)

Wayne

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[Jon Russell]

Hi,

Thanks.

There is a raw breakout on OSHpark already ...

https://oshpark.com/shared_projects/8M99bseq

I was hoping for an eagle file, so I could add a few things ... :-)

Jon.

[Wayne Holder]

My DWM1000 breakout is here:

  https://www.oshpark.com/shared_projects/95789Glk

It's smaller and cheaper than the other one mentioned ($3.50 to order 3 copies) and only breaks out the needed signal lines.  It includes a pull down resistor (R3) for the IRQ line, RX and TX LEDs (not currently supported by software) and a spot for a decoupling cap (C1)..

I don't use Eagle, so an Eagle file in unavailable.  The software I use for PCB design, Osmond PCB, is Mac only.  I'm happy to share the layout for for Osmond if someone want to give it a go.  It's a rather old school PCB layout tool, so it might not be to your tastes,

Wayne

On Wed, Mar 9, 2016 at 10:58 AM, Jon Russell <goo...@red-herring.co.uk> wrote:

Hi,

Thanks.

There is a raw breakout on OSHpark already ...

https://oshpark.com/shared_projects/8M99bseq

I was hoping for an eagle file, so I could add a few things ... :-)

Jon.

On Wednesday, March 9, 2016 at 6:36:59 PM UTC, wholder wrote:

To view this discussion on the web visit https://groups.google.com/d/msgid/diyrovers/aa27ab7b-918a-46ff-bc4a-fc283e2578f0%40googlegroups.com.

[Jon Russell]

Perfect. Thanks. I'll give it a go.

Jon.

[Nicholas Didkowsky]

Hi Wayne,

 
I have been checking out your blog recently, and you have a lot of awesome content posted. I'm a little late to the group, but I wouldn't mind trying out the layout for Osmond if you are still willing to share the files!

Nick