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I think i found the answer to the host + charge at the same time question: http://mehrvarz.github.com/otg-power-nexus7.html I'm excited!

Mine drained the battery too fast aswell.. even using several different types of 2.1A charger... my tab is getting sent back to google for replacement as the USB port has stopped working...

Hey, I've updated the blog to show you how i did it. It is reasonably easy to remove, that dash panel just pops off in 2 seconds and the tablet can then be removed. As for audio, at the moment its going from the headphone jack to my amps in the boot but i have a USB DAC and a DSP to bring up...

has there been any progress on the USB OTG and charging at the same time issue? this thread is kinda hard to follow being 50+ pages long

Ah right, well i took a micro USB -> usb male cable and chopped off the micro end and bared the wires, tinned them with a soldering iron so the strands stay together and then touch them on the pogo connections. If i ever get it working then i will buy the pogo pins from digikey and build them...

I've used a variety of chargers (all in the car though) i havn't tried the original charger that came with the N7 yet though... might be something to try.

Thanks :D im not 1000% sure but i have been playing with it to no avail. Might be due to the charging circuit being so damn fussy about chargers and cables, etc. p.s. i love the old GC8 series WRX, my favourite shape of all of them!

All has been taken into consideration. I didn't realize about the polarization but it looks fine through my sunglasses from all angles including the back seats. I'm not too worried about the battery since it is always on charge. I may remove it if it swells due to temperature though. The...

Thanks heaps for your advice, i appreciate the assistance! it's doing my head in... I have replaced all the RCA leads to test it.. it still whines when i use a brand new cable directly plugged into the side of the amp in the boot. I'll have another poke around when i get home. p.s. it seems to...

Theres 2 issues. 1. The system is noisy without anything plugged in and 2. The nexus is also noisy and it adds to it. The nexus plugged into my hifi setup at home (or even really good headphones) still is noisy

pretty much exactly what i used. as well as inline RCA ones on the amps

Amps are grounded using 4G cable straight to a very clean ground point on the chassis (scrubbed with wirebrush and sandpaper), the nexus when running on battery AND when running on the charger still buzzes but the ground for that is through the charger and once again, straight to the chassis...

It's not a slide in/out setup like i would love it to be but the plastic surround around it easily pulls off and the tab can then be removed. When i get home, i'll get some more pics of how it is held in place, etc.

Looks like he is using a bluetooth -> OBDII engine diagnostics cable and the android car home app. I've toyed with this before too and it's setup on my Nexus 7 now :D

Heh yeah, mine has a brandt alarm system on it with a keypad which may pose a challenge but not something that i am totally unfamiliar with ;P p.s. that sounds dodgy... I have spent many hours messing with that stupid alarm system to avoid having to tow the car back to subaru head office when...

I'll get to work. what a cool idea! "get in the car, tap it with S3, brooom!"

Hey guys/gals, Thought i would share my most recent project with you all in the hopes of getting some advice and feedback and showing off my install :p This will be an incremental build thread, i'll add to it as i get more pics and work my way through some issues. I have installed a...

Nice install! i've never had the courage to break out the bondo! I've installed the Nexus 7 in my WRX too. The trick to getting USB charging to work via a cig adapter is to put a USB hub inline. I pulled apart a tomtop GPS charger and wired it into the factory stereo wiring then plugged a USB...