Replace Head Unit - Nexus 7 Q&A, Help & Troubleshooting

Been reading tons of threads about replacing my stock head unit with a Nexus 7.
Couple of things I can't seem to figure out.
1. I have a 2003 Toyota sequoia with JBL. I have a wiring harness adapter that will connect to the sound system (I think there is an existing stock amp). I want to use the micro USB to charge and for audio, and I ordered the splitter cable for that. Can I connect that directly to my existing amp or do I need a USB DAC?
2. My plan is to mount the Nexus in the dash, so that it is not removeable. Should I run a USB connection through a hub for doing updates?
3. Is it better to use a 2012 or 2013 model?
I plan to use it for music, GPS (probably waze), and as BT connection for my phone.
Thanks in advance for any insight.

Someone suggested this:
"you normally can't connect a USB DAC to the tablet and charge the tablet at the same time through the same microUSB port"
Does that sound right?

fuzzie said:
Someone suggested this:
"you normally can't connect a USB DAC to the tablet and charge the tablet at the same time through the same microUSB port"
Does that sound right?
Click to expand...
Click to collapse
Well, that somebody was wrong. My setup, thanks to Timur, charges my N7 and powers the DAC no problem.

I also would like to know. I read that someone used blisspop along with an additional kernel, but I cannot seem to find any install files for blisspop nexus 7 grouper.

Related

usb audio?

Whats the best ROM for USB audio to work flawlessly. My nexus 7 needs to be nothing but the head unit of my car hooked up to my fiio e10 USB DAC which will go to the amps of my car. Usb audio isn't working yet. Link me to the best ROM and kernel to do this please?
outputs
Is there such a thing? I thought that the nexus 7 had no outputs of any kind..
badge 214 said:
Is there such a thing? I thought that the nexus 7 had no outputs of any kind..
Click to expand...
Click to collapse
You need an otg cable. The only way it works is if I reboot the tablet with the otg hooked up to my Fiio E10 USB DAC. Ifni unplug the otg then my tablet freezes every time. It does that with my USB flash drive as well. I can't even access files on my flash drive. It sees the drive but it shows no files at all.
Bump. I need usb hot plug.

Micro-USB Extention Cable + Slimport = Success!

If you're wondering if it's possible to use a Micro-USB extension cable with a Slimport adapter the answer is yes! I have successfully used one to connect my Nexus 4 to a Slimport SP1002 adapter, then connect that via HDMI to my Pioneer SPH-DA100 car stereo.The bulky adapter with its myriad of connections and super short cable to connect to my phone is now hidden under the center console.
I can't post links yet, to find the cable I used Google "angledcables" micro-b usb extension
Just curious, why do you use MyDP to connect to your car's headunit? movies for the kids? GPS?
karasuhebi said:
Just curious, why do you use MyDP to connect to your car's headunit? movies for the kids? GPS?
Click to expand...
Click to collapse
GPS, and as a workaround for the poor audio output of the Nexus 4. Although the ability to watch Netflix while waiting in the car is nice, too.
theexgov said:
GPS, and as a workaround for the poor audio output of the Nexus 4. Although the ability to watch Netflix while waiting in the car is nice, too.
Click to expand...
Click to collapse
hmmm... this didnt work for me with
Black 3 Foot USB 2.0 USB Micro B Male 5 Pin to USB Micro B Female 5 Pin Cable
by YCS basics
from amazon
but I'll order the other one and try it because it would be so much better if i could extend the slimport rather than hang that whole thing from my phone
it works!!!!!!
The cable from amazon did not work but the cable from angledcables.com worked! Even though the envelope says usbfirewire.com, they have different models of micro usb cables
I got the 12 inch version of :
Item #: RR-MCB-EXT-XXG5
and i can CONFIRM it is WORKING for AppRadio 3 as an extension between the phone and Slimport adapter.
I suppose it's a hit or miss depending on if the company wired the 4th pin through (Which is usually used for OTG) or not. Slimport uses all 5 pins.
lopezk38 said:
I suppose it's a hit or miss depending on if the company wired the 4th pin through (Which is usually used for OTG) or not. Slimport uses all 5 pins.
Click to expand...
Click to collapse
After a few days I had to disconnect the extension because it makes things way too unstable. The slightest bump stops the video signal. You have to totally remove it and plug it back in before it works again. I might try a few things to fasten the connectors together but I might just go without it.
drinklime said:
After a few days I had to disconnect the extension because it makes things way too unstable. The slightest bump stops the video signal. You have to totally remove it and plug it back in before it works again. I might try a few things to fasten the connectors together but I might just go without it.
Click to expand...
Click to collapse
Sorry to revive an old thread. Did you get this sorted out?
I'm in same situation. I just got Pioneer AVH-x8500BHS and SlimPort adapter to mirror from my N5 to the x8500 HU.
But the Slimport is in my glovebox, I want to move it to my center console for easier access and better GPS signal.
I'm afraid all this plugging/unplugging of the SlimPort will eventually wear out the cable or the N5 port.
Anyone ever figure out a way to get the extension to work without it cutting in and out all the time?
theexgov said:
If you're wondering if it's possible to use a Micro-USB extension cable with a Slimport adapter the answer is yes! I have successfully used one to connect my Nexus 4 to a Slimport SP1002 adapter, then connect that via HDMI to my Pioneer SPH-DA100 car stereo.The bulky adapter with its myriad of connections and super short cable to connect to my phone is now hidden under the center console.
I can't post links yet, to find the cable I used Google "angledcables" micro-b usb extension
Click to expand...
Click to collapse
Hi there!I know this is old post,but can you please tell me if you remember,can you use de 2Din touchscreen by doing this or you also need to get another app?I am trying to get it going,but I have one Huawei Mate 20 pro and I have bought something similar to what you post here and is not working....any ideas?
Thank you!

[Q] Cannot connect phone to car via USB

This a rather specific issue, but none of the forums for my car were able to give me an answer. I drive a 2013 Hyundai Sonata GLS.
So I just recently switched from iPhone to Android, and I have been having a **** of a time getting the phone to connect to the car via the USB port in my 2013 GLS. With my iPhone, it was as simple as plug n play...not so much with the Android (it's a Verizon LG G2, for what it's worth), as every time I plug in the USB cable, I get "Connection Error" on the screen, and then it just switches back to whatever audio mode I was in before.
I know the USB port actually says "iPod" underneath it specifically, but the owner's manual vaguely hints at a universal USB music mode...I've gone through the menus and tinkered with some of the options, but am unable to find a solution. I really do not want to use Bluetooth. I will buy a car charger and aux cable and just have two connections if need be, but I gotta believe there's a way to have a non-iOS device hooked up through the USB port and be able to play music through it. I don't even need metadata to show up on the screen, just a simple connection would do it!
I am running AOKP 4.4.2. This issue persists even with MTP USB mode activated.

[Q] Nexus 7 car install general questions

Am beginning my project to install a 2012 N7, 32 gig, wifi only, in my 2006 Scion xB double DIN as a replacement for the stock head unit. I am keeping the stock speakers for now. I am adding an external amp.
I've done head unit swaps over the years so I know how to open up the dash, remove the existing unit, and how to wire up a regular head unit.
Here's question #1. I am going to use Timur's kernel (using USB ROM for Nexus 7) so that I can use a USB hub and the OTG cable. The OTG cable micro USB will plug into the N7 micro USB port, but the other end of the OTG cable has two plugs. One is a regular USB (female), which I will need to gender change so I can plug into my powered USB hub. The third plug is a micro USB female. Is that third plug needed to bring power or data back to the N7? And if so, what does it get plugged in to?
To power the hub I plan to use a buck converter connected to a dedicated 12v line. The converter will step the voltage down to 5v 3a to power the USB hub. The only thing coming off the hub will be the N7 and a USB 3.0 thumbdrive that will hold my music library.
The second q concerns heat. I'm in S Texas. Has anyone experimented with leaving the back of the N7 off and adding a heat sink to the battery, or adding some sort of insulation, or diverting AC air from the existing ductwork (for when the car and AC are on)? Just looking for ideas.
Thanks in advance for any and all help.
bob.lehardy said:
Am beginning my project to install a 2012 N7, 32 gig, wifi only, in my 2006 Scion xB double DIN as a replacement for the stock head unit. I am keeping the stock speakers for now. I am adding an external amp.
I've done head unit swaps over the years so I know how to open up the dash, remove the existing unit, and how to wire up a regular head unit.
Here's question #1. I am going to use Timur's kernel (using USB ROM for Nexus 7) so that I can use a USB hub and the OTG cable. The OTG cable micro USB will plug into the N7 micro USB port, but the other end of the OTG cable has two plugs. One is a regular USB (female), which I will need to gender change so I can plug into my powered USB hub. The third plug is a micro USB female. Is that third plug needed to bring power or data back to the N7? And if so, what does it get plugged in to?
To power the hub I plan to use a buck converter connected to a dedicated 12v line. The converter will step the voltage down to 5v 3a to power the USB hub. The only thing coming off the hub will be the N7 and a USB 3.0 thumbdrive that will hold my music library.
The second q concerns heat. I'm in S Texas. Has anyone experimented with leaving the back of the N7 off and adding a heat sink to the battery, or adding some sort of insulation, or diverting AC air from the existing ductwork (for when the car and AC are on)? Just looking for ideas.
Thanks in advance for any and all help.
Click to expand...
Click to collapse
Timurs kernel is old. Use kangaroo rom or any 4.4.2 rom and kangaroo or oxydo kernel in the kangaroo thread there is a power manager app that will allow the tablet to fast charge and turn on and off with ignition. If your worried about heat buy a 12 volt fan and power it up with 12 volt from car. The micro usb female is for power use the cable that came with the n7 Power it with a 2amp or more 5v power car charger(i bought a samsung branded) works great. You dont need a hub if your only gonna power a flash drive. Micro male to tablet, full size female to flash drive ,micro female to nexus charging cable to usb car charger plug.
The GPS WiFi Bluetooth and NFC antennas are all on the back cover so none of them will work without it. So that means no sat nav or internet. I wouldn't worry about cooling it the tablet is meant to function with the back on in a variety of conditions. If you want you could cut a hole in the back there is a copper sheet that is the Nexus's heat sync. Maybe hook up a CPU or graphics card heat sync out a desktop. Or even just stick it to the plastic back its bound to do something.
Sent from one of my 47 iPads running android C3P0

Dash install noob - Any experts willing to advise?

I have a Nexus 7 (2012) that I want to do a dash install with. I would like to retain my head unit (already relocated) for audio, and I have a few questions.
I mainly want the following features:
-USB Tether
-Bluetooth OBD
-Airstream (or otherwise) phone calls from iPhone through Nexus
-WIFI backup camera
-Bluetooth keyboard?
From what I've been reading it appears Timur's ROM is the way to start. It looks like with an OTG cable and a usb hub I can easily do usb tether.
I have a bluetooth keyboard that has its own USB dongle, I'm wondering if with that dongle I can be connected to the keyboard and the obd transmitter simultaneously
I saw an app that was available years ago to support airstream, but it seems to have disappeared. Does anyone know a way I can have the audio/mic go through my nexus for phone calls while driving? (Right now I use Bluetooth through my head unit)
I found the following parts, is there anything I need to avoid? Or anything I'm missing?
Tendak (Pack of 2) Micro USB 2.0 On-The-Go (OTG) Cord Cable Adapter with USB Power for Cell Phone Tablets
ORICO MPU-5S Auto Universal converter car inverter 12V 5 port smart charger for iphone 5 5S Car Charger Adapter By AFUNTA
Turtle Beach Audio Advantage Micro II USB Analog & Digital Audio Adapter
I'm still trying to do more research on backup cameras, and the possibility of a dash camera. If anyone has any input on any of this I would greatly appreciate it! Thanks in advance and I look forward to being a more active member of the community!

Categories

Resources