simultaneous slimport and otg, not possible? - Nexus 7 (2013) Q&A

I know this is the nexus 7 section, but you guys have more slimport experience thus far. And I hope this isn't considered spamming as I have asked the same thing in the nexus 5 Q/A, but most likely this is a different group.
I had visions of building a dock that would connect the nexus 5 both to:
1. a monitor (or tv)
2. usb hub (allowing access to keyboard, mouse, ext hd, etc.)
my couple of hours of research is looking like this isn't possible, as there isn't a way to run slimport and otg hosting simultaneously. (at least my poking around the nexus 4 and nexus 7 forums has yet to bear fruit). in fact one slimport paper i found describes how pins 2, 3 and 4 would toggle between the two (usb otg and slimport). I'm not confident how such switching would be happening "on the fly".
anyone know of any "successful" threads I'm missing? or is the vision screwed from the go?
Thanks!

You can't do it, no. Slimport essentially takes over the USB hardware to stream video out instead.

Related

LapTop Dock Droid X

Do you think there will ever be a dock like this for the droid X or a mod To have the Droid X work with the Atrix because the phones are a little similar i guess 0.0?
snowboarderxd1 said:
Do you think there will ever be a dock like this for the droid X or a mod To have the Droid X work with the Atrix because the phones are a little similar i guess 0.0?
Click to expand...
Click to collapse
probably not but i do hope there will be
i would enjoy a multimedia dock(like the atrix one) as well
Without the dual core chip the laptop would be so slow... the x is great, but it just doesn't have the guts to provide a
Great docking experience.(short of overclocking it like crazy.)
Sent from my DROIDX using XDA App
nah.. but
Probably not, BUT; theres still "some" hope.. i think its totally doable, and sooner or later, someone is gonna develop an app or a rom capable of.. or a combination of the two; that'll allow us to use the HDMI port as a video output...
Id be happy with that.
There was once an app, but got cancelled by the developer.
real hdmi lets you use the hdmi port as an output
mruno said:
real hdmi lets you use the hdmi port as an output
Click to expand...
Click to collapse
In my experience, realhdmi is far from a perfect solution. But so far it is the best solution.
Sent from my DROIDX using XDA App
The concept seems simple, but I have no idea how difficult the implementation would be.
Use the HDMI as video out (it looks fine when I plug my Coby Kyros into my TV, seems a phone would be the same / better). Use the USB as a mouse - I know that Android is designed for touch screen, but I thought you could use a mouse for it.
Anyway, the concept seems simple, but perhaps my concept oversimplifies the matter.
If a 3rd party vendor could make a device independent dock, and price it reasonably, I think it would sell like hotcakes. At least, the same people that would buy the Coby (like me) to root it and do what they want with it would buy a 3rd party dock and use it with their phones.
My wife, who doesn't overly love technology, loved her driod when I finally conviced her to get it. If she could get a dock for it, she would likely never use her laptop.
A device specific dock seems ... ridiculous, for an open source platform.
I upgraded my Coby Kyros last night to Gingerbread - 2.3.1 using tipster's work over at (kyros-tablet-zone.team-talk.net).
I also did some research on the different Android offerings / versions.
Starting with 3.1, whose features were imported in 2.3.4, mice and other devices can now be attached via the USB cable.
After reading the snippet from the Android dev platform highlihts This seems good and bad in the quest for a generic dock. It looks like USB support may be app specific, and also may have hardware requirements (i.e. to use a dock, your phone may need to have some requirment for it.). I've pasted the snippet from the dev platfrom notes below.
(I'm still too new to post links)
developer.android.com/sdk/android-3.1-highlights.html
Connectivity for USB accessories
Android 3.1 adds broad platform support for a variety of USB-connected peripherals and accessories. Users can attach many types of input devices (keyboards, mice, game controllers) and digital cameras. Applications can build on the platform’s USB support to extend connectivity to almost any type of USB device.
The platform also adds new support for USB accessories — external hardware devices designed to attach to Android-powered devices as USB hosts. When an accessory is attached, the framework will look for a corresponding application and offer to launch it for the user. The accessory can also present a URL to the user, for downloading an appropriate application if one is not already installed. Users can interact with the application to control powered accessories such as robotics controllers; docking stations; diagnostic and musical equipment; kiosks; card readers; and much more.
The platform’s USB capabilities rely on components in device hardware, so support for USB on specific devices may vary and is determined by device manufacturers."
Click to expand...
Click to collapse

			
				
It would be cool but I dont think the x has enough umphf for it to be worth while.
Sent from my DROIDX using xda premium

[Video demo] Connectivity - USB OTG, MHL, RDP, bluetooth keyboard/mouse/gamepad!

Thought this might interest owners and potential owners:
Incidentally, tried Splashtop after the video over 3G whilst out and about today - amazing! Watched a video with sound - playback was smooth. Hardly any lag via 3G in a reasonable coverage area. Also installed an antivirus to my laptop and did some other useful stuff while I was having a coffee at Bunnings - RDP on a 1280x800 screen is awesome.
I should be receiving a USB DAC in the coming week too, so will update as to whether that works or not...
UPDATE: USB DACs do NOT work with the USB OTG feature (as expected). Shame, because the cheapy one I got today sounds amazing compared to my laptop and desktops sound cards! The one I have is a HiFiMAN Express available from here for only $40. Not really for audiophiles, but for those who can appreciate better quality at a fraction of the price these are very good (I think Gizmodo linked to an audiophile review of them where he said they were 70% as good as the sound put out my a $400 sound card, not bad for what the HiFiMAN costs).
NZtechfreak said:
Thought this might interest owners and potential owners:
Incidentally, tried Splashtop after the video over 3G whilst out and about today - amazing! Watched a video with sound - playback was smooth. Hardly any lag via 3G in a reasonable coverage area. Also installed an antivirus to my laptop and did some other useful stuff while I was having a coffee at Bunnings - RDP on a 1280x800 screen is awesome.
I should be receiving a USB DAC in the coming week too, so will update as to whether that works or not...
Click to expand...
Click to collapse
sorry,
can you tell me what is the model of the gamepad you use?
Thanks.
Thank you very much for this post. This pretty much seals the deal for me. I will be grabbing one soon.
After watching your video, it looks like I need to find me a nice 20"-23" LED HDMI monitor to go with my Note.
Thank you for this awesome video.
Disappointed to the fact that USB hubs don't work, specially because someone in the forum answered me to this same question saying "yes"
In fact my question was if a SB keyboard and a USB mouse can work together using a USB hub.
Could you please confirm this case?
Thnks!
Pere said:
Thank you for this awesome video.
Disappointed to the fact that USB hubs don't work, specially because someone in the forum answered me to this same question saying "yes"
In fact my question was if a SB keyboard and a USB mouse can work together using a USB hub.
Could you please confirm this case?
Thnks!
Click to expand...
Click to collapse
Hey there, sorry if it wasn't clear in the video - the hub itself works fine, its just that using the hubs external power source to power portable HDDs that the Note can't supply enough power to on its own doesn't work (it does in the SGSII). I presume that KB and Mouse would work together with a hub, but unfortunately I can't confirm as I don't own models that are compatible with the Note (or the SGSII).
If anyone in Auckland has some that are compatible I'd love to try this out for people.
NZtechfreak said:
Hey there, sorry if it wasn't clear in the video - the hub itself works fine, its just that using the hubs external power source to power portable HDDs that the Note can't supply enough power to on its own doesn't work (it does in the SGSII). I presume that KB and Mouse would work together with a hub, but unfortunately I can't confirm as I don't own models that are compatible with the Note (or the SGSII).
If anyone in Auckland has some that are compatible I'd love to try this out for people.
Click to expand...
Click to collapse
I can confirm that Keyboard and Mouse together work well on SGS2 using powered USB hubs, however its very unstable and sometimes freezes the phone. Hope it becomes better with ICS.
Do you mean that external HDD's can be powered by SGS2? I never thought its possible, seems I need to test that again as my HDD is NTFS formatted so wasn't recognized the last time I tried.
Prankey said:
I can confirm that Keyboard and Mouse together work well on SGS2 using powered USB hubs, however its very unstable and sometimes freezes the phone. Hope it becomes better with ICS.
Do you mean that external HDD's can be powered by SGS2? I never thought its possible, seems I need to test that again as my HDD is NTFS formatted so wasn't recognized the last time I tried.
Click to expand...
Click to collapse
No, the SGSII can't supply external HDDs - I was saying that they do work with the SGSII when connected to a hub that has it's own power supply (that doesn't seem to work in the Note however...).
I don't own a hub but I was able to use a 120 gb external 2.5" USB hdd on the note with external power.
The hdd came with a y cable for additional power supply. I just used the note charger to supply power.
I had to format the hdd with fat32 of course. Win7 wouldn't do it, not with GUI and not on command line.
A app did it http://www.ridgecrop.demon.co.uk/index.htm?guiformat.htm.
Another thing was to make 1080p movies playable from the fat32 hdd. I used mkvtoolnix to split the movie into 4gb files.
https://www.bunkus.org/videotools/mkvtoolnix/
With diceplayer I was able to play them without any problems.
What resolution does your laptop run at? When I installed splashtop (phone version), I get set to 1024x720 resolution (looks crappy), while my home PC is 1600x1200. I wonder if splashtop HD would allow me to use the native resolution of my PC (1600x1200)? Any way to install HD apps on the Note?
I set my laptop to run at the same resolution as Splashtop when I'm not at home (otherwise it runs in 1080p).
Don't worry, Splashtop are working on a release version for HD phones (probably just an update to the phone Splashtop) and it'll be available soon - I've been in contact with them recently.
NZtechfreak said:
I set my laptop to run at the same resolution as Splashtop when I'm not at home (otherwise it runs in 1080p).
Don't worry, Splashtop are working on a release version for HD phones (probably just an update to the phone Splashtop) and it'll be available soon - I've been in contact with them recently.
Click to expand...
Click to collapse
Thanks for the info, Ill hold off on purchasing. Do you know if there is a way to install HD apps on the Note when the market states they are incompatible?
VTEChump said:
Thanks for the info, Ill hold off on purchasing. Do you know if there is a way to install HD apps on the Note when the market states they are incompatible?
Click to expand...
Click to collapse
Not that I'm aware of as yet, some talented dev here needs to work it out for us!
UPDATE: USB DACs do NOT work with the USB OTG feature (as expected). Shame, because the cheapy one I got today sounds amazing compared to my laptop and desktops sound cards! The one I have is a HiFiMAN Express available from here for only $40. Not really for audiophiles, but for those who can appreciate better quality at a fraction of the price these are very good (I think Gizmodo linked to an audiophile review of them where he said they were 70% as good as the sound put out my a $400 sound card, not bad for what the HiFiMAN costs).
Thanks for this thread. Very good information.
But I think it's a bit annoying that it's not 'real' upscaled HD, but just the resolution of the Note (1280x800) being outputted to the screen.
I think Splashtop technically looks very good. But I don't like the security - it seems there is not any encryption in the software, not even the passwords!
What bandwidth does Splashtop require over a 3G connection to be stable? And how intelligent is the streamer to figure out which quality to stream in, in order to get the optimal dynamic stream without lag/pauses ?
drelle said:
Thanks for this thread. Very good information.
But I think it's a bit annoying that it's not 'real' upscaled HD, but just the resolution of the Note (1280x800) being outputted to the screen.
I think Splashtop technically looks very good. But I don't like the security - it seems there is not any encryption in the software, not even the passwords!
What bandwidth does Splashtop require over a 3G connection to be stable? And how intelligent is the streamer to figure out which quality to stream in, in order to get the optimal dynamic stream without lag/pauses ?
Click to expand...
Click to collapse
Not sure what bandwidth it requires over 3G for stability, I was in a reasonable reception area at the times I've used it over 3G - may have been the amount of bandwidth on offer but the experience was really great with minimal lag (bad upload for my PC at home is the rate limiting step here).
Must be some other Splashtop users here who can chime in?
Great video.
Does an ordinary usb keyboard work directly on the Note?
oronte said:
Great video.
Does an ordinary usb keyboard work directly on the Note?
Click to expand...
Click to collapse
+1
And if keyboard layout is other than the English version, all the special signs (%&Ç@#) works correctly?
VTEChump said:
. Do you know if there is a way to install HD apps on the Note when the market states they are incompatible?
Click to expand...
Click to collapse
yes, just use an older version of Market - pull it from an old ROM. And freeze "market updater" in Tibu.
/system/app/Vending.apk
oronte said:
Great video.
Does an ordinary usb keyboard work directly on the Note?
Click to expand...
Click to collapse
Yes, they do, tried one today. Some USB mice also work, will try and connect both with the hub when I get home and see how that goes.
Will also revisit HDD connectivity too, as I have a second note Rooted with CF Root - possible that the drives weren't working because of Netchips kernel (in the same way that WiFi tether was broken).
Great video
Iwas surfing around for a page that ensures this device has definitely tv-out feature. I could not be sure for it, cause at most of the pages promoting galaxy note, it is not being said exactly..
Anyway, found here, and watched your video. now I want a galaxy note even 10 times more..
Thanks man, great job..

[Q] Galaxy Nexus Desktop

Hello,
I am planning on using my Galaxy Nexus as my new Desktop computer.
I am planning to achieve this by buying a MHL to HDMI adaptor to display the visual output from my phone to my monitor. I will also be buying a Bluetooth Keyboard and Mouse.
My question is Does the Galaxy Nexus or ICS support two bluetooth devices being connect to it at once?
Thanks
Dan
I too would be interested in this.
Where is the best place to buy a MHL cable and...do they all have a charge feature.
P.S. There's a video on YouTube with this. But I'm not sure if he's using 2 peripherals or 1. Good question.
Cheers.
Sent from my Galaxy Nexus using XDA App
I just purchased one from
http://cpc.farnell.com/pro-signal/ps...V21386?Ntt=mhl
But I think you have addressed my first issue, getting the phone to charge while its connected through the USB.
Maybe charge it via the 3pin pogo on the side...
dandwhelan said:
Hello,
I am planning on using my Galaxy Nexus as my new Desktop computer.
I am planning to achieve this by buying a MHL to HDMI adaptor to display the visual output from my phone to my monitor. I will also be buying a Bluetooth Keyboard and Mouse.
My question is Does the Galaxy Nexus or ICS support two bluetooth devices being connect to it at once?
Thanks
Dan
Click to expand...
Click to collapse
No idea about the BT connectivity issue, in the worst case you could use 1 BT connection and for the other a USB OTG cable, if the Nex supports it.
The only problems you'll run into is if you need to perform any heavy tasks. MS Word won't run, any of the higher level Adobe software, etc... There are of course substitute mobile apps, but they're not nearly as powerful as the desktop apps. To understand this, try composing a Word document in a mobile app...it works for writing text, but you'll have to manually compose a Table of Contents. Another test would be Power Point, you can make simple slides but you won't be able to make anything complex. And I'm not sure there's even a mobile version of virtual machine software at all.
Good luck. They're noble ambitions. But I'm a coder and need a machine with at least 4GB RAM. I have to be able to compile code, run VMs, make complex documents etc...in a nutshell, it wouldn't work out for me.
I guess everybody's uses for a Desktop is different. I just want it to browse the web, watch youtube videos, watch the odd tv show and movies.
The processing power in the nexus is defiantly sufficient for what I need it for. Also with Kernels around I could overclock it up to 1.5Ghz but I just dont feel compfortable running my phone at 1.5Ghz. So I think 1.35Ghz would be sufficient and be as far as I push it.
Googles Docs can do any word processing or excel documents which I need when at home but will be rarely using this.
I just want to really use my phone on my tv and flick back and forward. Reply to texts, emails, web stuff. A good bt rollout keyboard and a small mouse would be probably sufficient.
That link didn't work for me. :-\ so the cable has a charge port on it?
Sent from my Galaxy Nexus using XDA App

[Q] Nexus 7 2013 as FULL Desktop Replacement

Hey guys,
a friend of mine is looking for a new notebook, but very happy with his (old) Nexus 7. I thought that it might be enough if he buys a bluetooth keyboard + mouse and Chromecast. Would this work to get a Full, on the TV Screen, desktop replacement? Or would it be smarter to get a new nexus 7 and use the MHL support to connect it with some screen + connect mouse and keyboard (via usb/bluetooth).
Anyways, is this even possible to connect a screen, a mouse and a keyboard at the same time on the new nexus/old nexus.
Cheers.
owerner said:
Hey guys,
a friend of mine is looking for a new notebook, but very happy with his (old) Nexus 7. I thought that it might be enough if he buys a bluetooth keyboard + mouse and Chromecast. Would this work to get a Full, on the TV Screen, desktop replacement? Or would it be smarter to get a new nexus 7 and use the MHL support to connect it with some screen + connect mouse and keyboard (via usb/bluetooth).
Anyways, is this even possible to connect a screen, a mouse and a keyboard at the same time on the new nexus/old nexus.
Cheers.
Click to expand...
Click to collapse
I believe chromcast works on wifi.
but Bluetooth will pair with only one device at a time. Keyboard or Mouse. Not both!
can use a wired keyboard with a bluetooth mouse though!
nijom said:
I believe chromcast works on wifi.
but Bluetooth will pair with only one device at a time. Keyboard or Mouse. Not both!
can use a wired keyboard with a bluetooth mouse though!
Click to expand...
Click to collapse
Bit if I use a wired keyboard and a bluetooth mouse I cant use the MHL for the screen support (nexus 2013 case) cause the slot is in use, or are there any adapters who support this?
*edit*
I did a little research on "just one bluetooth device"....and its wrong. Lots of sources say that they can connect 2 bluetooth devices. Can anybody confirm this?
owerner said:
Bit if I use a wired keyboard and a bluetooth mouse I cant use the MHL for the screen support (nexus 2013 case) cause the slot is in use, or are there any adapters who support this?
Click to expand...
Click to collapse
no idea bro..
owerner said:
Bit if I use a wired keyboard and a bluetooth mouse I cant use the MHL for the screen support (nexus 2013 case) cause the slot is in use, or are there any adapters who support this?
*edit*
I did a little research on "just one bluetooth device"....and its wrong. Lots of sources say that they can connect 2 bluetooth devices. Can anybody confirm this?
Click to expand...
Click to collapse
I am sure it can be done. However, you can also buy bluetooth keyboard with mouse pad in built that will serve dual purpose. I have a logitech keyboard with built in mouse pad, and it works.
If you use bluetooth keyboard and mouse with chromecast or miracast technologies, you will see a lag between when you perform an action and when it gets displayed on the screen. I guess the wireless display technologies have this limitation.
You can't use MHL with new Nexus 7 2013. the technology is not supported.
What you need is a Slimport adapter to connect the new Nexus 7 2013 to the TV. I have used my bluetooth keyboard with built in mouse pad while my device was connected to Slimport. It works. My bluetooth keyboard was lagging, but i guess that's a known bluetooth issue with the new nexus 7s.
Don't buy MHL for the new Nexus 7 devices. It wont work.
Hope this helps.
psychedelicNerd said:
I am sure it can be done. However, you can also buy bluetooth keyboard with mouse pad in built that will serve dual purpose. I have a logitech keyboard with built in mouse pad, and it works.
If you use bluetooth keyboard and mouse with chromecast or miracast technologies, you will see a lag between when you perform an action and when it gets displayed on the screen. I guess the wireless display technologies have this limitation.
You can't use MHL with new Nexus 7 2013. the technology is not supported.
What you need is a Slimport adapter to connect the new Nexus 7 2013 to the TV. I have used my bluetooth keyboard with built in mouse pad while my device was connected to Slimport. It works. My bluetooth keyboard was lagging, but i guess that's a known bluetooth issue with the new nexus 7s.
Don't buy MHL for the new Nexus 7 devices. It wont work.
Hope this helps.
Click to expand...
Click to collapse
Thank you mate, this sounds promising. You said the keyboard kinda laggs. Is it anyoing, or can you live with that problem?
The Slimport thingy wont work with the old nexus 7, right?
Is there a possibility to connect Slimport AND keyboard/mouse (wired) to the device?
owerner said:
Thank you mate, this sounds promising. You said the keyboard kinda laggs. Is it anyoing, or can you live with that problem?
Click to expand...
Click to collapse
I primarily use the mouse so I didn't do a full regression with the keyboard. But i remember it was lagging substantially which was a bummer for me. I saw the bluetooth issue being discussed here somewhere. I will try to find that thread and see there was a fix.
owerner said:
The Slimport thingy wont work with the old nexus 7, right?
Click to expand...
Click to collapse
Correct.
owerner said:
Is there a possibility to connect Slimport AND keyboard/mouse (wired) to the device?
Click to expand...
Click to collapse
Not that I know of. The slimport connects directly to the N7. The only port you have available after that is for charging, that too within the slimport adapter itself. I am not aware of a slimport and keyboard/mouse wired to the device.
---------- Post added at 06:47 AM ---------- Previous post was at 06:42 AM ----------
psychedelicNerd said:
I primarily use the mouse so I didn't do a full regression with the keyboard. But i remember it was lagging substantially which was a bummer for me. I saw the bluetooth issue being discussed here somewhere. I will try to find that thread and see there was a fix.
Correct.
Not that I know of. The slimport connects directly to the N7. The only port you have available after that is for charging, that too within the slimport adapter itself. I am not aware of a slimport and keyboard/mouse wired to the device.
Click to expand...
Click to collapse
Here is the bluetooth issue thread. Hope it helps
http://forum.xda-developers.com/showthread.php?t=2385891&highlight=bluetooth
owerner said:
Bit if I use a wired keyboard and a bluetooth mouse I cant use the MHL for the screen support (nexus 2013 case) cause the slot is in use, or are there any adapters who support this?
*edit*
I did a little research on "just one bluetooth device"....and its wrong. Lots of sources say that they can connect 2 bluetooth devices. Can anybody confirm this?
Click to expand...
Click to collapse
I can connect a Bluetooth keyboard and mouse simultaneously on my 2013 N7.
sparksd said:
I can connect a Bluetooth keyboard and mouse simultaneously on my 2013 N7.
Click to expand...
Click to collapse
Do you have any laggs? Which bluetooth devices are you using?
owerner said:
Do you have any laggs? Which bluetooth devices are you using?
Click to expand...
Click to collapse
Anker and Logitech keyboards and MS Bluetooth Notebook 5000 mouse. No lags.
Hi,
I'm a newbie on xda forum and i got some questions before i decided to buy new nexus 7. I got no experiences with Android 4.0 and above versions, so i need a few informations about nexus and android. I already read a few things on multiple forums, including xda. Similar as OP, i would like to replace my laptop with nexus 7.
1. I read nexus 7 owners had problems with USB OTG and there is some application needed for this thing to work. I also read there is the difference between rooted and unrooted tablet. What do i get with rooted tablet? Some guys on local forum told me i will loose warranty if i root tablet. Is this true?
2. Again about OTG, is it possible to download torrents (especially big files over 10 GB, like HD movies) directly on USB or even on external HDD?
3. I read nexus supports MHL, but i have to buy Slimport adapter and not MHL adapter to have a picture on monitor or TV. Is this true? Is it possible to have TV, keyboard and mouse (and maybe even USB) connected at same time? If yes, what would i need? USB hub or anything like that?
Can anybody help me with my questions please?
Cheers
I busted out an old wireless mouse (USB dongle) and a bluetooth keyboard to see how well this would work, and it's surprisingly good. I've got a USB hub plugged in which recognizes flashdrives with StickMount. The only issue is that you won't be able to use the SlimPort and a flash drive/USB mouse at the same time.
NightBolid said:
Hi,
I'm a newbie on xda forum and i got some questions before i decided to buy new nexus 7. I got no experiences with Android 4.0 and above versions, so i need a few informations about nexus and android. I already read a few things on multiple forums, including xda. Similar as OP, i would like to replace my laptop with nexus 7.
1. I read nexus 7 owners had problems with USB OTG and there is some application needed for this thing to work. I also read there is the difference between rooted and unrooted tablet. What do i get with rooted tablet? Some guys on local forum told me i will loose warranty if i root tablet. Is this true?
2. Again about OTG, is it possible to download torrents (especially big files over 10 GB, like HD movies) directly on USB or even on external HDD?
3. I read nexus supports MHL, but i have to buy Slimport adapter and not MHL adapter to have a picture on monitor or TV. Is this true? Is it possible to have TV, keyboard and mouse (and maybe even USB) connected at same time? If yes, what would i need? USB hub or anything like that?
Can anybody help me with my questions please?
Cheers
Click to expand...
Click to collapse
root: Some of the more sophisticated apps you may want to use need root. I dont think you lose warenty since you can completely restore your tablet to factory settings if needed. But I am not sure about this. I just can say that the process of rooting is NO problem at all.
MHL: Some guy in THIS thread said that MHL is not supported. And he also said that with a slimport adapter you can use any screen as Nexus screen. Same for the keyboard question, I asked basically the same thing, just read the thread.
You can download torrents. Just make sure to get the 32GB version if you want to dowload big files. And you can also mount external usb devices like HDD. But again, if your MicroUSB (where to put the charger) is occupied by slimport adapter to get a picture on the screen, you wont be able to mount any other sub thing as far as explained in THIS thread.

[Q] Any kernels that support usb to ethernet?

I've heard that the 2012 Nexus 7 with Bricked kernel was able to use a microUSB to ethernet cable and therefore give you access to a wired connection. My question is whether there is a kernel that supports this same feature for the Nexus 7 2013? I know this is a pretty obscure feature but since I'm a student at a college that doesn't allow personal devices (only issued items) to connect to the wifi, I would like to use my tablet for something besides reading and offline gaming. Thanks for any help!

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