04-15-2014, 11:44 AM | #113 | |
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Two things. What head unit do you have? Where are you charging your nexus from?
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04-15-2014, 11:48 AM | #114 |
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04-15-2014, 11:56 AM | #115 | |
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Have you tried charging the nexus from the headunit? Sometimes the usb chargers can create the whine since they are not isolated from grounding issues as well as the head unit. And it looks like your head unit has two usbs. How did you spend so much on your build? Honest question not trying to troll. I was way below the cafi cost.
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04-15-2014, 12:09 PM | #116 | |
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My initial build cost was around $550, but I have a 32 GB LTE Nexus 7 (with 200 MB of free data from T-Mobile every month), and those were about $120-150 more than a 16 GB non-LTE Nexus 7 at the time. The rest of the price is the head unit, cables, adapters, and about $25 of software. Since then, I've also bought a USB DAC (~$20), a USB OTG adapter (~$5), a spare center bezel to modify (~$65), a USB hub (~$5), various magnets/bonding agents (~$5), and some brackets for mounting (~$5). Even without the spare bezel and the added cost of the LTE model of the tablet, I still would've spent in the neighborhood of $450, and I'd still have these nagging issues, all without the added convenience of free data on my tablet (can't do a hotspot on my phone). |
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04-15-2014, 12:21 PM | #117 | |
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As for the usb cable issue. I utilize my front port to charge my nexus. There is plenty of room to push the head unit further back. And charge from there. It may solve your grounding issue. Also I have been using my Nexus through hot weather and I have had zero issues. We were hitting over 100 degrees in ambient temperature at my parents house (who live in the desert) recently. (So in the car the temperature was much higher) The nexus is a pretty hardy tablet. Now I did not test cold temperatures (I live in San Diego) but I would be surprised if the nexus was not be able to handle it. I also have yet to hear about any nexus 7's blowing up due to temperature issues, but then again Im not scouring the net for it. If I ever run into any issues. I will definitely post about it for the benefit of others.
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04-15-2014, 01:02 PM | #118 | |||
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If you charge/use a Li-Ion battery below a certain temperature, it can cause a substantial loss of total battery capacity. This isn't something I currently have to deal with, but it's worth noting for our northern friends. |
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04-15-2014, 04:05 PM | #119 |
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^ you should not have even started this type of install with all of your pedantic worrying.
You can open up the nexus 7 and have it run straight power from the car, without even using the battery. Others have done it. Lots of options out there.
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04-15-2014, 04:11 PM | #120 |
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Worrying about a Li-ion battery exploding and/or catching fire in a Louisiana summer is hardly a minor cause for concern. I am sorry for trying to list some reasons why people shouldn't drop $400-500 in a project that might not turn out like they'd hoped.
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04-15-2014, 04:15 PM | #121 | |
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I think my issue lies with how you are delivering your message. Someone else on the forum (forget who) disabled the internal battery/has it charging a different way, sounds like a safer option.
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04-15-2014, 04:33 PM | #122 | |
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It would need to be completely removed though, wouldn't it? At the point where you're ripping apart a $200+ tablet to solve one problem in a list of problems that are inherent to many/most 2nd generation Nexus 7 installs, and there's an option that costs around the same price, why is it such a bad thing to bring up a very similar alternative that addresses most of those issues? |
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04-15-2014, 05:04 PM | #123 | |
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In other words not much to worry about. As for your costs your costs are your costs. If you look at my break down with accurate prices its around $300. (with links) Not the $400-500 you are quoting. If you are paying that much for your tablet, you are not trying very hard to look for a lower price. A lot of your issues stem from the fact that you did not want to spend extra money on a rom. You should of realized that by going with a 2nd gen Nexus you would not have the support you needed or you would have to drop some extra cash. As for the bezel work. All of the work I did is reversible and does not damage the bezel. (Even removing the rear top clip does not affect how the bezel works or looks. If you were replace the nexus with another headunit it would fit with no issues with my design. As for your headunit not having enough room. I think I state if you angle your head unit or really try to push it as far back as possible you have INCHES to spare. On the cold weather it will reduce battery capacity but my setup never drops from 100% anyway. (its an non factor) Honestly Prog. It seems like a lot of issues you have had was due to the fact this install may have been over your head. Maybe I am wrong, but I know that a lot of people (myself included), have not had issues with utilizing a nexus in the car. Th point of this thread was to offer an install that would not give you any issues. If you were to deviate from this install (which you have) there is no guarantee that it would work as well as my install.
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04-15-2014, 06:27 PM | #124 | |||||||
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This is your thread and your install, and I did not mean for this to go on for so long, so I'll end with this: in your original reply to me, you said: Quote:
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04-15-2014, 06:54 PM | #125 | |
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And I actually like the ca-fi but its expensive. I just want to make sure people are aware that your costs were different because of the choices you made. You wanted to use your nexus as both a tablet and a head unit. Im just using my tablet as a head unit so using the gen 1 is perfectly fine for its use. If money was no object I would probably go with the ca-fi. Less chances of issues, but $200 bucks is a lot of money for me.
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04-16-2014, 09:23 AM | #126 | |
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That's actually a fairly good (and important point). I indeed still want and need head unit functionality (minus AM/FM radio). If only these head unit manufacturers would make an Android app that doesn't require you to touch the head unit... |
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