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Ham

Ham

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#195604 26-Apr-2016 14:14
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I thought I'd share my experience with this... I've had a Nexus 7 running in the dash of my car for about 6 months now. It's a pretty good solution as it does GPS, reversing camera, media playing, engine monitoring/diagnostics etc, has a much better screen resolution than any android based headunit that I've seen and runs more recent OS.

There was a lot of trial and error in getting everything to work... The nexus 7 will fit in most double DIN sized headunit holes.. In my case I have a built in headunit plus a double DIN hole where I removed the factory Japanese Nav and installed the Nexus. Looks factory. I can post some pictures if anyone's interested.

Parts required were:
Nexus 7 (Rooted, purpose built kernel for OTG mode while charging and some other awesome features) ~$225 Amazon & ~$25 for the kernel from the developer
High current 5v power supply ~$10 Aliexpress
Various USB cables/adapters/OTG/hub ~$25 Aliexpress
USB video grabber for reversing camera and associated app ~$15 Aliexpress
A few relays ~$10 Aliexpress
Audio Integration with factory stereo (aux mode) $ will vary greatly based on vehicle

Has anyone else tried a system like this?

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trig42
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  #1542202 26-Apr-2016 14:18
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Sounds like a great solution.

 

Can you post pics and how you got it all running?


 
 
 

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Andib
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  #1542228 26-Apr-2016 14:34
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I've been meaning to do this with my 05 Legacy (replacing the Dual DIN Jap GPS in the Dash).

 

I presume you're using Timur Kernal?

 

Do you mind sharing what charger you ordered? the one I used couldn't give enough power to charge the tablet while the GPS was on so a long trip would mean it would go flat.





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Ham

Ham

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  #1542237 26-Apr-2016 14:46
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Andib:

I've been meaning to do this with my 05 Legacy (replacing the Dual DIN Jap GPS in the Dash).


I presume you're using Timur Kernal?


Do you mind sharing what charger you ordered? the one I used couldn't give enough power to charge the tablet while the GPS was on so a long trip would mean it would go flat.



Correct. The kernel ups the charging rate to a maximum of 1400ma. Try to find a 5amp supply to power accessories as well, or use a powered USB hub. No problem maintaining battery with GPS. I also have an 05 Legacy. Perfect fit with the 2013 Nexus. I'll get some pictures/video when I get a chance.



itey
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  #1543155 28-Apr-2016 07:50
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which reversing camera did you buy? how does it work? via wifi or something?


Jaxson
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  #1543162 28-Apr-2016 08:18
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Pictures, pictures wink


nickb800
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  #1543181 28-Apr-2016 09:07
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What are you doing with the relays in this setup?

 

Also, pictures please


Ham

Ham

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  #1543383 28-Apr-2016 13:15
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itey:

which reversing camera did you buy? how does it work? via wifi or something?



The car had a factory reverse camera which I integrated into the system with a USB video grabber (easycap) which then plugs into a USB hub, then the Nexus. There are a couple of options for apps to use and to trigger when the car is put in reverse.
I also have a wifi reversing camera installed on my caravan which I use when towing so I can see what's behind me.



Ham

Ham

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  #1543386 28-Apr-2016 13:18
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nickb800:

What are you doing with the relays in this setup?


Also, pictures please



I use relays to electronically unplug the nexus from the 5v output of the power supply. I found simply removing the 12v supply from behind the power supply to be unreliable.

Pictures are coming although they will be quite boring as it looks 100% factory when it's not powered up.

MadEngineer
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  #1543392 28-Apr-2016 13:28
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Do you have to manually switch to the app that shows the camera when reversing or does this happen automatically somehow?




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Ham

Ham

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  #1543395 28-Apr-2016 13:32
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MadEngineer: Do you have to manually switch to the app that shows the camera when reversing or does this happen automatically somehow?


Automatically. Either triggered by a relay that powers up the easycap, or software detecting a video signal. There is a app included in the kernel that supports the former but I use an app on the play store called easycap viewer as I've had better results with it.

Ham

Ham

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  #1544913 1-May-2016 16:35
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Pictures as requested:










Jaxson
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  #1544936 1-May-2016 17:28
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Damn man, that fits perfectly.

 

 

 


Well done!


gedc
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  #1544966 1-May-2016 18:13
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That looks sweet. really sweet. Nice job


nakedmolerat
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  #1544972 1-May-2016 18:36
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Dude that is da best!

Job well done!

And that reverse camera is superb!

That reverse camera - is it full screen? It looks a bit distorted in the pic.

toyonut
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  #1544982 1-May-2016 19:16
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What did you use for the mount? Looks great. Did you build it yourself? Have been following soundman on youtube and would love to get the ipad kit and build it into my car. 





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http://www.vultr.com/?ref=7033587-3B


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