Database Users

My HD2 hardware mod- Wireless charing

I used a pixi charging back case (5.99usd) and touchstone charging base (9.99usd) to create this mod. You can find them on clearance at radioshack!
Can be made for other devices: ipods, iphones, bluetooth headset, etc...
Comment plz.
-Carnivore

Maybe some photos and more descriptions?
Im curious how this looks/working.

sure interesting, and most valuable as a proof-of-concept realization, even if I'de never go out with a setup like that

Hey, why do you use this microUSB port?
There's one marvelous thing about our HD2 : the dual-backplate setup
-> Use the golden plated contacts right next to the sim card.
They're used for the "old/weird" special car back-plate in order to make contact via the magnetic holder (aka the "original" car kit)
This way u'll be able to mod a plastic back plate with all the mechanism integrated, you just have to "make" two pins (and understand how the third middle one works) that connects to the HD2 motherboard
Hope that helps But i'm sure our HD2 will be the only one who will survive the wireless charging mod without too much trouble vs unibody etc

Nice
Yeah it looks nice but i don't think anybody is siriously going to use this do you??
Wy doing all this effort for making while you just can plug your charging cable in??
Anyways nice work. Good that people are trying to improve the phones usability.

keesmathot said:
Wy doing all this effort for making while you just can plug your charging cable in??
Click to expand...
Click to collapse
oh I bet he's had a lot of fun doing it That alone is more than enough of a reason

I tried doing something like this a little while back, the connectors next to the sim card can be used for charging which would make the whole thing much nicer and easier, it worked good, but the HD2 metal door blocked the signal so it would not charge, so I used it with a sillicon case on top, it was good but not the best, then I tried to hard wire it inside, opened the HD2, it got few dust specs behind the LCD from opening, I tried blowing them away and the whole screen died, well it was a sad story which eventually ended up on ebay, and I had to get a different one I WILL NOT TRY THIS AGAIN, i hope.

thats good of you to try. hope you find a compatible plastic back for it or some other solution.
ill be looking forward to your progress on this as i have a palm pre and an extra touchstone charger.

RedWave31 said:
Hey, why do you use this microUSB port?
There's one marvelous thing about our HD2 : the dual-backplate setup
-> Use the golden plated contacts right next to the sim card.
They're used for the "old/weird" special car back-plate in order to make contact via the magnetic holder (aka the "original" car kit)
This way u'll be able to mod a plastic back plate with all the mechanism integrated, you just have to "make" two pins (and understand how the third middle one works) that connects to the HD2 motherboard
Hope that helps But i'm sure our HD2 will be the only one who will survive the wireless charging mod without too much trouble vs unibody etc
Click to expand...
Click to collapse
The car kit's replacement back is also metal. But I will look into those 3 pins in back. Anyone know what they do exactly?

Carnivore9 said:
The car kit's replacement back is also metal. But I will look into those 3 pins in back. Anyone know what they do exactly?
Click to expand...
Click to collapse
they activate the navi-panel and charge your phone at the same time. Do they have the navi-panel for the TMOUS version? I'm not really sure, but yea, if you're able to use the 3 pins inside, then it'll free up your micro usb connector.

lude219 said:
they activate the navi-panel and charge your phone at the same time. Do they have the navi-panel for the TMOUS version? I'm not really sure, but yea, if you're able to use the 3 pins inside, then it'll free up your micro usb connector.
Click to expand...
Click to collapse
I actually was fooling around with a microusb charging head and found that if you ground one of the data wires, the navpanel will show up. I was a little confused at first since I've never used it before then figured out it was a hidden feature.

Contemplating using N7 as car head unit/nav system

As the title says I am very interested in using this tablet as a head unit replacement. I still have plenty of researching to do, but before I get too deep into it, I think there is one problem that should be addressed.
I wouldn't consider myself an audiophile, but I do like my music. So using the 3.5mm jack for audio simply will not do. I have seen a video of someone using a Turtle Beach audio adapter to get usb audio out of the N7, and then into the stereo/processing unit. This would be perfect for me, however I also need to be able to hook up an external drive for additional storage.
So my question is if it is possible to hook up the usb audio cable, and an external drive simultaneously to the N7. My idea right now is to hook up an OTG cable to the N7, then plug in a small non powered usb hub which would have both the external drive and usb audio cable hooked up to it. I am just not sure if this setup is possible, and before I purchase all the components I would like to have some confirmation that it will work like i think it will.( I will be using a rooted N7 with stickmount installed, I believe that is all I need to allow Host capabilities)
On a side note, I also plan to use the pogo pins to charge the device. I saw a video of someone using a hacked usb cable to charge the galaxy nexus with it, so i think that should work. (I just read a thread saying that the galaxy nexus can't charge through a pogo pin dock while having a OTG cable plugged...My dreams are being crushed.)
If you would like any more info about the specifics of the setup, I would be happy to share my ideas.
Sorry for the length of the post, I just want it to be clear what I am trying to do here.
Any information, or tips would be greatly appreciated.
Thank you.

I think my dreams are also crushed, I believe the pogo pins are a pin-out extension of the usb port, not a separate port, therefore using OTG would ****-block charging, which is disappointing.
You could however use one of these in your car http://www.slashgear.com/seagate-goflex-satellite-wi-fi-hard-drive-gets-android-app-01168797/ which would provide 500GB of storage accessible whilst your nexus 7 is charging, combine that and a pocketwifi device to act as a router and provide internet access it would be perfect
if you had an AC power inverter or appropriate power supply for DC to the unit (saves inverting then converting again), you could use this one http://www.ccpu.com.au/show_prod.php?class_id=disk-ext&prod_id=STAM1000200

would be very awesome, looking forward to updates.

Thanks for the info.
That is deeply saddening that you can not use both at the same time, although I guess it does make sense for the purposes of a dock. So it looks like now the only way I can still use a plugged in external hdd, usb audio, and be able to charge the device at the same time is if I can do all of that through the mini usb port in conjunction with a usb hub...but i think that is unlikely. does anyone know for sure?
And thank you for bringing up those wifi hard drives. I didn't want to use them, something about having it plugged into the device directly just makes me feel better...although now I will have to seriously consider them.
Also, if anyone has any info regarding tablet install you think may be useful, feel free to post the link. Even if it is not directly related to the N7, it could still be useful info, and maybe get some gears turning in our heads.
I just became a member so I am not allowed to post links yet :silly:
I will still keep my hopes up about using this device, though! It is my favorite 7 inch tablet by far.

What about usb powered hubs?

Wololo7 said:
What about usb powered hubs?
Click to expand...
Click to collapse
Can the Nexus output digital audio, charge, and read an external HDD, via powered usb hub from its one micro usb port? If it could then all my problems would be solved! Until I encounter my next problem, of course. :silly:

Sounds very interesting indeed. I look forward to seeing what can be done.

Wololo7 said:
What about usb powered hubs?
Click to expand...
Click to collapse
Nope. Did not work for me.
I thought about using the Nexus 7 as my car nav system as well. I stumbled across an issue where I want to mount external USB drive AND charge the tablet at the same time. I could not get the tablet to charge with a powered USB drive. I believe the tablet is going into host mode to read the USB drive, and thus disallowing any kind of power to charge itself.
Please someone prove me wrong.. I really like this tablet. It is the perfect size for the car.
Another issue I found... Using polarized sunglasses + nexus 7 (landscape mode) = completely black screen. This may or may not convince you to continue with this project. I am certainly looking at different options..

Im thinkin about this too. But not to completly replace my headunit but only to slap it on for long drives
Sent from my SPH-D710 using Tapatalk 2

voidshado said:
Another issue I found... Using polarized sunglasses + nexus 7 (landscape mode) = completely black screen. This may or may not convince you to continue with this project. I am certainly looking at different options..
Click to expand...
Click to collapse
I noticed this, too. Disappointing. My HTC EVO View works fine, though.

Very interested in this. I've actually been working on this very project. I'm near completion (sort of) actually, but I'm having a separate electrical issue currently so its been on hold for the last week or so. At this point I've run sound via the 3.5 mm jack, but if a USB solution is found, I'd be all over that. I guess I settled for the 3.5 mm jack as previously, I tended to stream Pandora and various music through the aux jack on my phone anyways. Probably more than 90% of the time actually. I may look into the Seagate GoFlex Satellite WiFi HDD for external storage since charging and USB OTG at the sime time at this point seems impossible/difficult. I have a pair of polarized oakleys that i usually wear, and havent noticed the screen blacking out yet, but I'll have to see when I get home tonight.

On charging & usb host mode at the same time..
Has anybody tried this:
1. Setup a powered USB hub plugged into the Micro OTG cable
2. hack the cable from right after the OTG cable to where it plugs into the hub, so that the voltage pins are exposed
3. solder in the voltage pins to a usb connector so you can plug in a normal charger [5V 2A]
4. check to see if you can use the USB hub and charge at the same time
I currently have a Asus transformer TF101 and the primary use is watching clips off a 500GB usb HDD. I really, really want to get a N7 and sell my TF101, but if charging & simultaneous host mode is not possible, I would be slightly hesitant to buy it, even though it is really a awesome tablet from what I hear.
so if anyone has any info on that, I would greatly appreciate it!

ahavens17 said:
At this point I've run sound via the 3.5 mm jack, but if a USB solution is found, I'd be all over that. I guess I settled for the 3.5 mm jack as previously, I tended to stream Pandora and various music through the aux jack on my phone anyways.
Click to expand...
Click to collapse
I know a lot of people that the 3.5 mm jack for audio. And It really does sound just fine. It is just that I am planing on investing a lot in amps/speakers, so I don't want my weakest link to be my inputs right out of the gate. Although, this tablet is making it pretty difficult to not use that jack.
I would be interested to see your project whenever you finish, or if you have information up of of the process now, that would be interesting to look at.
Thanks again everyone for all the info! I still have a shred of hope for using this tablet in my car!

pikachu2000 said:
I know a lot of people that the 3.5 mm jack for audio. And It really does sound just fine. It is just that I am planing on investing a lot in amps/speakers, so I don't want my weakest link to be my inputs right out of the gate. Although, this tablet is making it pretty difficult to not use that jack.
I would be interested to see your project whenever you finish, or if you have information up of of the process now, that would be interesting to look at.
Thanks again everyone for all the info! I still have a shred of hope for using this tablet in my car!
Click to expand...
Click to collapse
I'm running 4 Polk 6" speakers that replaced the stock ones in my car (just replaced them all last year when I blew one of the stock ones), and a cadence 4 channel amp to power the speakers. Nothing top of the line, and no subwoofer or anything as of yet. Picked up the cabling from monoprice, with all of it being their "premium" selection. It all seems pretty heavy duty and solid. Only ran me around 30 bucks. I just have an 02 Mitsubishi Lancer that I'm putting this in. The dash is originally a single din so it's taken quite a bit of modification to get it to fit. More than I originally anticipated. Just a hobby project I've wanted to do for sometime and when the nexus 7 came along I jumped on it. I'll post some pics when I have a chance but at this point it looks far from professional. lol.
Also, I pulled out the Nexus 7 last night and had my polarized glasses on, no screen blackening that was mentioned previously for me. Maybe a little distortion/filter over the screen at certain angles, but still viewable.
I think this thread is great. I'd love to see/hear what other people are doing or what ideas come about from this.

Thank you, I am really glad this thread has spiked some interest, and that other people have similar ideas. I will start up my research again and come back to post any new info when I can. Gotta keep this thread going strong!

pikachu2000 said:
I would be interested to see your project whenever you finish, or if you have information up of of the process now, that would be interesting to look at.
Click to expand...
Click to collapse
I created a thread with the few pictures I took along the way, as well as the semi-finished project. The only thing I believe I still need to do at this point is get a screen protector. (Tablet still has the plastic cover on it from when it was in the box!) Other things may come up in the future, (such as adding an OTG cable if someone figures out a way to charge simultaneously) but this is it finished for the time being.
http://forum.xda-developers.com/showthread.php?p=29824916#post29824916

Thanks for making a thread! That is very cool, I like your setup a lot. Is the tablet meant to stay in the car permanently, or do you plan on taking it out often?

Alright, I haven't had much time to find much new information. But I was just thinking if I can't have it charge from the usb port and run usb audio out at the same time, then maybe I could take off the rear cover of the N7 and cut a hole in it, where the camera was supposed to go, and route positive an negative wires directly to the battery...then I could use a hacked usb cable to charge it...? Just the thought of that is scary, but I don't plan on taking out the N7 ever, it will always stay in the car.
Just a thought, let me know what you think.
Additional info: I am going to be putting this in an 02 e46 BMW 325xi. And I will use a modified double din face plate. In my head the final setup looks beautiful, but we'll see how it turns out. As for the time frame, I have a list of parts I want to get for the car, and I want to do most everything at the same time. It will take a good 3 or 4 months before I can get everything and then installing it might take another month(assuming everything goes smoothly) I just want to get all of my preliminary research out of the way. Sorry if you guys were expecting pictures soon.
Thanks

pikachu2000 said:
Alright, I haven't had much time to find much new information. But I was just thinking if I can't have it charge from the usb port and run usb audio out at the same time, then maybe I could take off the rear cover of the N7 and cut a hole in it, where the camera was supposed to go, and route positive an negative wires directly to the battery...then I could use a hacked usb cable to charge it...? Just the thought of that is scary, but I don't plan on taking out the N7 ever, it will always stay in the car.
Click to expand...
Click to collapse
What about the pogo pins? Aren't they for a [future] dock? I wonder if you can charge the tablet via the pogo pins and use USB OTG simultaneously? This would indeed be good news, because I will primarily use my N7 [when it arrives] for videos on a USB HDD, so it would wear out the battery to be constantly charging and discharging the battery every day.

mvmacd said:
What about the pogo pins?
Click to expand...
Click to collapse
Earlier in the thread we had thought of that, turns out you can only use one at a time, and it's a hardware limitation so no way around it.

NST Broken Screen, advice sought

I've got a simple touch that got stepped on, now Joseph Conrad has an interesting hairdo (can see where the crack is).
I've got ADB installed and working well for my other (various) Android devices, so using that is an option if I can figure out the Nook side.
The light next to the USB port goes on when I plug the Nook in, so there's some logic working in there.
Questions:
Can someone suggest a way to test if the device is good excepting the screen?
Is it worth replacing the screen on this device and if so, where could I find one?
Assuming screen replacement isn't an option, I'm considering random fun projects for this hardware. Anyone got recommendations?
The first random fun project I'm thinking of would be a WiFi repeater, mostly because I need one in the house here. Total awesomeness would be getting DD-WRT working on it

if u expert in adb ... then u can use and install program named "screenshot" and then run it and take print screen from ur nook and pull pic from ur sd card from screenshot directory .... all that via adb
but i dont know how ... it's just a theory ..... but it will make sure that ur device working or not and is it screen Issue or not
thx

That's a good idea, speedman.
You don't actually have to install any software.
The stock "screenshot" works well enough.
Ok, the colors are all screwed up, but still.
Code:
screenshot /sdcard/snap.png
Oh, yes you can buy screens from NST's gutted for parts.
It just that they cost about as much as a used NST.
If it were mine, I'd do some hacking.
I've already got a console UART connector soldered to the board.
I'd see about expanding the key matrix and seeing if I could get some I/O pins going.
JTAG would be fun to play with.

LEGO Torrentbox powered by Raspberry Pi

I had the bright idea to build a "small" machine torrent, with a Raspberry, lots of LEGO and some electronic component.
What I present is a work built especially on spare time, still processing but working 24-hour a day!
What you see in the picture is the version that I called 3.0 for now I did the 1.0, 2.0, 3.0 and 3.5 (with Raspberry Pi B +)
The idea was born from a simple need: I could not keep the PC on all day to download torrents, or in other words, consuming energy and making some noise at night ... so I asked myself, what alternatives do I have? Internet answered me with "Raspberry Pi". I noticed some small projects that used the board as a machine used to download/upload torrents and my geeky addiction for those stuff made me immediately fell in love! I also noticed some projects that consisted of case for RPi made with LEGO, and I could not pull back in the face of challenge, partly because of the tons of bricks in the attic waiting to be exhumed after years ... at which point I thought, "Why i shouldn't build a case also for the hard disk?" and again: "Why do you not make a case that also contains all the cables?" and finally: "Ok, from the case there will be a single wire that goes to the wall outlet"
And so it was, that at the arrival of the mini-pc the work began!
The project had the following requirements:
- A case (preferably aestethically nice) made of LEGO
- No LEGO brick was to be mistreated (glue, holes, crimping), only removable housings with non-LEGO pieces
- A single wire for current input
- A cooling system
- The minimum number of non-LEGO parts visible from the outside
- A small display for any physical access to the machine
- A USB hub to connect USB drives, external hard drives, mouse + keyboard, etc.
- And above all, lots and lots and lots of patience and time!
A bit of schematics on paper, some boxes full of LEGO, and the site is now open!
Version 1.0
This is the case of the Raspberry only, easily removable from the rest of the building:
The hard-disk housing:
The fan! The tubes are taken from an old LEGO Mars base, and the air is pumped to the Raspberry (which has seen lowering its temperature of 40-45 Celsius degrees! This means that it works!) and all hard drives. The rear tubes instead are routing wires between the raspberry pi and the harddisk, and the central block. The fan is connected to a USB socket placed under the hub.
The gem of the goodies: fan control! The switch turns on and off the fan and set the red LED. The green LED is lit when the TorrentBox is attached to the current. The nice thing is that both lights are sticking perfectly LEGO holes!
The interiors of the beast (yes that it is a power strip down there!)
Whoops, i forgot the hub!
Overview:
Disco time!:
After a few days I realized how fragile the structure was, and in addition, I found the box with all the gray and dark LEGO, so i decided to do a more "professional" building and made it similar to a factory
Version 2.0
Designing the front writing
Spoiler
Internal...
...and external restructuring!
Final result:
At this point I said to myself: why not put some little LEGO man "at work" as it already seems like an industry? Said and done
After some time, with the arrival of the much coveted display (a vulgar 7" display with 800x480 resolution, the kind that you find in chinese car radios) i have began updating the now massive construction (20cm high and the base of the block was 25x15cm). In the project i also included a touchscreen with its USB adapter, but i accidentally broke the panel, and even though i have a spare one to grab from my old car radio, the configuration with raspbian was pretty mangy, and for now i left apart this addition: P
Version 3.0
Here is the housing for the screen (other 7cm in height!) The display has a hdmi connection that goes directly to the raspberry through the rear tubes:
Since my house, from time to time, is populated by various little cousins, I thought to give the beast a protective cover which, however, leaves a glimpse of the situation on the screen (incredibly 4 Droideka arms from Star Wars sets are strong enough to hold the lid firmly!)
Access to the display controls (which are connected via a flat cable to the display board)
Some cosmetic change here and there, to standardize everything
Here it is in function :
Version 3.5 has already the Raspberry Pi B + (the one with 4 usb ports) but is identical to the 3.0 for the moment. I will remove the hub (which is slow, and can only be used for a keyboard or a mouse), but to do this i should open everything but i am a little sick of putting hands into that mess (and i do not have so much time since I started working full-time)
However, sooner or later I'll put my hands into it, and of course I will post the results here!
Let me know what you liked, what you DO NOT liked and if you want to know something more about it (maybe I forgot to say something)... Bye!!
I also have a couple of videos that will upload soon!
P.S. Here are the links to the Imageshack and Tinypic album (they are identical), to see all the images:
Imageshack: https://imageshack.com/a/KfMq/1
Tinypic: http://it.tinypic.com/a/2v9ya/2

Wow this is amazing. Probably one of the best "cases" I have seen.
How is the daily performance of torrenting on the RPi? I always thought the USB ethernet driver would be slow, especially if buffering and spilling to external HDD. But maybe I am wrong and the RPi is a beast.

dyczone said:
Wow this is amazing. Probably one of the best "cases" I have seen.
How is the daily performance of torrenting on the RPi? I always thought the USB ethernet driver would be slow, especially if buffering and spilling to external HDD. But maybe I am wrong and the RPi is a beast.
Click to expand...
Click to collapse
As of now, with a wifi usb adapter, and an usb hdd attached, i have no problem downloading at 1MB/s
I used with ethernet in the past, and the performances were the same. I use an hdd with 2 partitions, one of 50GB, formatted as ext4 for incomplete downloads, once a download has completed, the rpi moves the file to the NTFS partition that has all the remaining space. This way i can view hdd contents directly with windows. The dual partition system has been made because downloading continuously onto a ntfs partition used too much cpu, but ext4 is natively supported by RPi, so no problem at all this way

FrankieDedo said:
As of now, with a wifi usb adapter, and an usb hdd attached, i have no problem downloading at 1MB/s
I used with ethernet in the past, and the performances were the same. I use an hdd with 2 partitions, one of 50GB, formatted as ext4 for incomplete downloads, once a download has completed, the rpi moves the file to the NTFS partition that has all the remaining space. This way i can view hdd contents directly with windows. The dual partition system has been made because downloading continuously onto a ntfs partition used too much cpu, but ext4 is natively supported by RPi, so no problem at all this way
Click to expand...
Click to collapse
8mbps isn't bad. That's solid if you are just going to leave it running all day everyday.
It's also pretty smart you are using 2 partitions. I would never have thought of that.

BTW what display did you use and can you use an car touchscreen as base too?

Sorry for refreshing but it's really great job here, I need to say that.
Wysłane z mojego SM-G850F przy użyciu Tapatalka

Is this the OTG + Charging solution some have been waiting for?

(long time lurker and flasher of Nook HD+ roms, first time poster...)
Like a few others scattered around the subforum, I'm looking to do an in-car tablet install. Like others I hit the "Can't charge and use OTG at the same time, you need an ancient nexus and Timur's" just as old but revered ROM." wall.
https://www.google.com/?gws_rd=ssl#q=site:https://forum.xda-developers.com/galaxy-tab-a+otg
Then a hole in the matrix appeared and I saw this post on a different device thread:
https://forum.xda-developers.com/tab-s2/help/usb-otg-charge-t3588019
The second post there, refers to a vendor LAVA whom "LAVA is the only manufacturer of adapters for Samsung tablets that allows that since Samsung doesn't sell anymore their hubs" (from that post).
Confirmed that the Compatability list shows SM-T580 (the device amazon has factory refurbs for 200$):
http://lavalink.com/samsung-tablet-adapters-support/compatibility-list/
Would it be possible this is the device to make the magic happen? http://lavalink.com/samsung-tablet-adapters/
EditToAdd: Tech Spec sheet here for the meaty innards: http://lavalink.com/wp-content/uploads/manuals/sts_product_family_manual.pdf Main takeaway for me was don't extend the cable to the tablet.
Also found the "cheap" lol single port on amazon with a wide swing of reviews: Encouraged by the long one that says it is working with external DAC: https://www.amazon.com/SimulCharge-1-port-Adapter-Samsung-Galaxy/dp/B00MOQFUQM
Also this mini-writeup shows one in use in 2015 with DAC, am I missing something on why this was a wall for many?: http://www.diymobileaudio.com/forum...-usb-hub-samsung-galaxy-tablets-charging.html
Thanks for any help,
AoB

On the (i hope) tail end of the first version of my dash tablet install, and after my research and work over the past few days, I will try to answer my own question -- just for others. no pity for me. OTG-Host was not a "must-have" (yet).
My big mistake (i think) was not being aware of the distinction between OTG-Accessory and OTG-Host. The Lava-link hub/cable in my OP allows OTG-A and charging the device. OTG-H seems to be a different animal,.. something that the kernel and maybe the hardware has to support? I have flashed Extremely ROM on my T580 and a USB keyboard plugs in to OTG cable and is detected, but a USB RLT-SDR device is not detected (nor powered).
So I guess back to the beginning, still need Kernel support for OTG-Host? Correct?

AfraidOfBears said:
(long time lurker and flasher of Nook HD+ roms, first time poster...)
Like a few others scattered around the subforum, I'm looking to do an in-car tablet install. Like others I hit the "Can't charge and use OTG at the same time, you need an ancient nexus and Timur's" just as old but revered ROM." wall.
https://www.google.com/?gws_rd=ssl#q=site:https://forum.xda-developers.com/galaxy-tab-a+otg
Then a hole in the matrix appeared and I saw this post on a different device thread:
https://forum.xda-developers.com/tab-s2/help/usb-otg-charge-t3588019
The second post there, refers to a vendor LAVA whom "LAVA is the only manufacturer of adapters for Samsung tablets that allows that since Samsung doesn't sell anymore their hubs" (from that post).
Confirmed that the Compatability list shows SM-T580 (the device amazon has factory refurbs for 200$):
http://lavalink.com/samsung-tablet-adapters-support/compatibility-list/
Would it be possible this is the device to make the magic happen? http://lavalink.com/samsung-tablet-adapters/
EditToAdd: Tech Spec sheet here for the meaty innards: http://lavalink.com/wp-content/uploads/manuals/sts_product_family_manual.pdf Main takeaway for me was don't extend the cable to the tablet.
Also found the "cheap" lol single port on amazon with a wide swing of reviews: Encouraged by the long one that says it is working with external DAC: https://www.amazon.com/SimulCharge-1-port-Adapter-Samsung-Galaxy/dp/B00MOQFUQM
Also this mini-writeup shows one in use in 2015 with DAC, am I missing something on why this was a wall for many?: http://www.diymobileaudio.com/forum...-usb-hub-samsung-galaxy-tablets-charging.html
Thanks for any help,
AoB
Click to expand...
Click to collapse
i did a car install on my eclipse usb charged headphone jack to amp and bluetooth to obd2 interface for gauges i used an app called auto power off or something like that. and it mimicked a cars gps system prety good it would wake up screen and keep awake til key shuts off counts down 30 seconds click here to keep awake or shut down but it only put tablet in low power state i drove that car every day it was long enought to keep it charged all the time

N
AfraidOfBears said:
On the (i hope) tail end of the first version of my dash tablet install, and after my research and work over the past few days, I will try to answer my own question -- just for others. no pity for me. OTG-Host was not a "must-have" (yet).
My big mistake (i think) was not being aware of the distinction between OTG-Accessory and OTG-Host. The Lava-link hub/cable in my OP allows OTG-A and charging the device. OTG-H seems to be a different animal,.. something that the kernel and maybe the hardware has to support? I have flashed Extremely ROM on my T580 and a USB keyboard plugs in to OTG cable and is detected, but a USB RLT-SDR device is not detected (nor powered).
So I guess back to the beginning, still need Kernel support for OTG-Host? Correct?
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I had to rig in the mount since a eclipse console is so small. I didnt want a 5 inch or 7 inch screen i wired a switch to the factory amp for remote turn on and a headphone jack to the fro and rear left rite of the factory amp as the eclipses some have a fac amp under the seat to the factory stereo used the fac stereo power wires for a 12 volt usb charger in the dash to turn tablet on with the key and my fancy little led toggle for the amp power