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Old 11-21-2018   #26
 
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Default Re: HDMI or USb via OTG

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Originally Posted by naiku View Post
How is the Nvidia Shield with OTG + charging though? Sure the mini HDMI can be used for the audio, but unless it can also support a USB flash drive, steering wheel controls etc it becomes difficult to use in a car. Although, I believe the Shield tablet has a MicroSD slot, so that rules out the flash drive, using HDMI would I believe negate the need for a USB-DAC, so then it's just the steering wheel controls (Joycon) that need to be plugged in via USB.
The charging is good, and I've tested Auto Sleeper to turn the tablet off with the ignition. I'm not concerned about steering wheel controls as I normally use the touchscreen and my car doesn't have wheel controls, so I can't really say as far as that is concerned.

Not that steering wheel controls would help with MX Player, Kodi, and etc anyway.

Also I'll likely be using an external touchscreen as well and mirror the tablet, which so far has tested to be possible.

Yes, you should be able to remove the battery if you like and power it directly, but likely mine will be dockable like others have done and I can just remove it from my RAM Mount tablet holder as I have USB & HDMI connectors fixed in place to make it simple.

I haven't decided about a more permanent mount, as I'd ideally like to mirror the tablet to the permanent touch display and just hide the tablet.
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Old 11-21-2018   #27
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Default Re: HDMI or USb via OTG

Hmmm I might have to look into a Shield Tablet to replace my Nexus 7, especially if I can either use OTG + Charging at the same time or better yet hard wire the battery for direct power. For me steering wheel controls are an absolute must, primarily I am using them with Poweramp (volume, play, pause, track forward/back) but I am fairly confident they will be simple to set up on the Shield.

I think for now I am going to grab the dimensions of the Shield tablet and see how much modification will be needed to my Nexus mount to fit the Shield (I made a fiberglass tray that the Nexus sits in, a trim ring then magnetically snaps over the front to make it look factory). Assuming it will fit, and I see no reason it won't, I have seen a 10" iPad mounted in the same dash, just had to relocate some controls, then it's just checking into the battery removal some more and going from there.

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Old 11-21-2018   #28
 
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Default Re: HDMI or USb via OTG

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Originally Posted by naiku View Post
Hmmm I might have to look into a Shield Tablet to replace my Nexus 7, especially if I can either use OTG + Charging at the same time or better yet hard wire the battery for direct power. For me steering wheel controls are an absolute must, primarily I am using them with Poweramp (volume, play, pause, track forward/back) but I am fairly confident they will be simple to set up on the Shield.

I think for now I am going to grab the dimensions of the Shield tablet and see how much modification will be needed to my Nexus mount to fit the Shiel

Sure, sounds good. There are some RAM Mount tablet cups that fit the ends of the Shield tablet essentially perfectly and I have the part number for those. They can be used in custom mounting situations as they're sold separately.

The Shield is still popular despite being out of production and is often found on eBay or Swappa.com.

I plan to custom mount it (or the external touchscreen) slightly above my stock/aftermarket radio location, rather than inside the dash.

Although this isn't Android or on a tablet, projects like this might potentially open ideas for the steering wheel control interface solution etc.: Carberry.it

I tried the Nexus 7 but sold it after discovering that USB limits what I get get in terms of digital audio out when USB is used.

Android USB DAC adapters are generally limited to stereo and audio is upscaled after a certain Android release. However, HDMI makes full passthrough possible and I've tested it successfully.
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Old 11-23-2018   #29
 
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i love how everyones getting in on this. How I wish a conversqtion such as this had popped up on a google search when Id first started.

For the guys just joining us, I began an overhaul of the interior of my truck nearpy two years ago, beginning qith the steering wheel cover. Unfortunatly, a year and a half later, mt truck was on blocks with a blown motor, tranny, and missing the keys thanka to local shops. So, I was then stranded in a new town 700 mikes from home where i knew no one, and now had to ride. Luckily, an elderly relative whod been impressed that id worked my @$$ off starting age 10, to buy that truck myself new in 99 when I was 15, and never owned or driven another civilian vehicle.....gifted me a 96 Camry with 90k miles on it. It seems her son was the one who "borrowed" aaid truck while I was overseas, taking it from 13k miles to 260k miles. but i digress....

So, swithching the intended focal point if the build to the Camry had its own challenges, which took enough attention that I hadnt looked into the tablet idea well enoughw. Samsung Galaxy Tab A 10.1" with the 30-pin port, RCA Voyager 10", Lenovo 8", and now....the Nextbook Flexx 11.6".All had ine feature or another that made the install unworkable, from host mode, to just being a S*****Y tablet (cough*RCA*). The Flexx I LOVE, not only because it was $3 in a thrift store bwcause the LCD connector had popped off inside. SCORE. But windowz lack of a decent dashboard app is a deal breaker, also. Im not writing custom ROMs at this point, or partitioning, or hooking it to whatever the hell ia was Marvin the Martian was always lookin for....so, a place where guys who have succeeded or at least gave it hell, can chime in with little compatibility and workaround issues thwyve discovered. Im hoping we can keep the rocket scientists off of here *cough* and keep it simple. its for the Layman. Guys who need a quick list of options....not how to attenuate a wifi signal using a tripod mounted flux capacitor. Thats what irritated me in my hunt, having to sort through what looked like dissertations to get to anything practically useful. so how bout it?

Anyway. new news. I didnt trade the Flexx, bu5 found a gey on Letgo whos got one and seems open to a trade for some hardware for a NAS build. Wants a SFF enclosure. Shooot....its gotta be a trick. Ill give him something with LEDs, water cooled, and more acrylic than their mamas nails. Its the 16GB...but hey, thats what docks are for. Same one that SDR reciever, car performance bluetooth reciever, and Aux inputs are plugge into.
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Old 2 Weeks Ago   #30
 
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I use a Bluetooth Reciever about the side of a little box of matches. Has a micro USB input for the 5v that it wants, and a 3.5mm output for the 2 channel audio. For some time I have had a 12v cigarette lighter charge adapter to convert the cars 12v to the 5v, then a short USB to MICRO USB into the Reciever. Plus a short AUX to RCA cable, and into my amp and later on into a DSP. So coupled with a magnetic mount inset into the upper center console, and a tablet with wireless charge if capability, I don’t have to plug in sh**.

That’s for a $10 Reciever. Pay a little more and you can get the transmitter (another itty bitty box) and the Reciever both. Double that, and use a DOUBLE usb cigarette charger, and I suppose you could have 4 channel audio.... the possibilities are endless.sub channel, ect
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