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Xoom and USB audio devices.

hello Xoom owners,
Xoom uses USB OTG but I'm curious what capabilities does it really has.
What's more - Android 3.1 supports it's host mode.
Have anyone tried to plug a USB audio DAC/AMP/ external audio devices to your Xoom?
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PS. this USB DAC has internal battery and doesn't need power supply from tablet/PC

Did you have any issues using the Fiio DAC/Amp with the Xoom?
Thanks
Demiourgos said:
hello Xoom owners,
Xoom uses USB OTG but I'm curious what capabilities does it really has.
What's more - Android 3.1 supports it's host mode.
Have anyone tried to plug a USB audio DAC/AMP/ external audio devices to your Xoom?
PS. this USB DAC has internal battery and doesn't need power supply from tablet/PC
Click to expand...
Click to collapse

I tried plugging in the Korg nanoPAD and Serato. Both devices powered up but that was about it. I'm not rooted so I can't easily debug to see if the OS recognizes them even. Would be awesome if Google could give HC some DAW/Midi love, and of course some quality apps would need to follow (sigh)

I am not terribly familiar with either device. Looked up the nanoPAD and it looks like it requires a midi over USB driver to be installed, so it wouldn't have native USB Audio support like say a DAC would.
Still haven't been able to get a definite word on whether or not a DAC would work.
Thanks for the report on these peripherals, interesting to see people pushing the limits.

host mode doesn't mean that any usb device will work. Currently the only devices with built in drivers are keyboards, mice, and mass storage. Anything else requires a driver.

Sorry to dig up this thread but has anyone found a USB audio class driver for the Xoom? It appears the Xoom must have one lying around somewhere as the dock uses USB only for connection, right?

Bumping this;
http://forum.cyanogenmod.com/topic/55393-usb-audio-and-digital-out/
It seems like the xoom needs a driver with usbaudio, then something to switch the output.

30-Pin USB & SD kit for 10.1 inch works!

I have the USB & SD 30-pin adapter kit they sold for the 10.1 Tab- i tried a flash drive into the usb and accessed files on it, same with SD card.
When i tried a keyboard/mouse combo (actually the original combo that was sold for the Samsung Q1U UMPC) it errored w/ can't support hi-voltage device. Didn't try a powered hub w/ the keyboard (kind of scared of frying it).

Mouse and keyboard works. The output is capped somewhere under 100mA as it gives that error message on stuff the iPad can handle, and its adapter is 100mA. Don't be afraid of plugging stuff in though, it can't hurt the tab

You can't hurt a device with a powered hub. Hubs will only give as much power as the USB spec says they can which all USB devices must be designed to handle. That's why there is a spec.
Sent from my GT-P1000 using XDA App

USB kit not working?
Just picked one of these up from best buy in hopes it would work. When i plug it in i get nothing, no notification and no action. i tried a flash drive 2 mice and 2 keyboards. any ideas?

Reboooooooooooooooooooooooooooooooooooooooooooooot
(stupid character minimum )

Yep. Looks like everytime i plug in a "high voltage" device it completely shuts down. Have to reboot. I did get it working. Thank you.

Works with SD/Multi card reader
I am using an Aluratek multi card reader and it works like a champ. Can read SD, MicroSD, pro duo ect.

Root?
For those of you that this is working for, are you rooted or not? I can't seem to get the SD adapter to work, even after multiple reboots. USB adapter works fine.

Got these also. For USB drives it appears FAT32 drives are good but NTFS drives are non-functional. Have a Lexar 64GB flash drive which doesn't show but all others do.

BeanToThaErrr said:
For those of you that this is working for, are you rooted or not? I can't seem to get the SD adapter to work, even after multiple reboots. USB adapter works fine.
Click to expand...
Click to collapse
Both works for me, both now that I'm rooted and before I was. The Tab doesn't know the difference between the USB and SD adapters, and this is an official samsung accessory, so it sounds like your adapter is broken.

BeanToThaErrr said:
For those of you that this is working for, are you rooted or not? I can't seem to get the SD adapter to work, even after multiple reboots. USB adapter works fine.
Click to expand...
Click to collapse
Have been rooted from Day One.

So the original Samsung will work with my 7+ ?

Just for the fun of it, Bluetooth mouse, USB wireless keyboard (with USB adapter), and remote desktop software
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Wlan1 adapter?

Does anyone has Wlan1 adapter connected to mobile phone via USB (micro usb <-- USB female) and got working? How about developers, does anyone know any ROM that supports external wlan adapters? or trick how to get it working? I found in google few different methods but none of them works.. :silly:

erikasnoske said:
Does anyone has Wlan1 adapter connected to mobile phone <snip> I found in google few different methods but none of them works.. :silly:
Click to expand...
Click to collapse
Are you asking about using an external wifi adapter? To get better reception of a distant free public wifi or war driving?
I haven't done it with the S4, but I don't think it would be any different once you get the adapter driver sorted out. An example, [GUIDE] Using external USB wifi .
In reverse, I use a cheap Tenda W311U USB wifi stick at work, in AP mode so I can connect my phone (official work wifi is limited). It has a Linux driver, as do many other adapters.
You might search for "Android External Wifi Adapter" instead "wlan1 adapter" and you'll get better hits.

lost_ said:
Are you asking about using an external wifi adapter? To get better reception of a distant free public wifi or war driving?
I haven't done it with the S4, but I don't think it would be any different once you get the adapter driver sorted out. An example, [GUIDE] Using external USB wifi .
In reverse, I use a cheap Tenda W311U USB wifi stick at work, in AP mode so I can connect my phone (official work wifi is limited). It has a Linux driver, as do many other adapters.
You might search for "Android External Wifi Adapter" instead "wlan1 adapter" and you'll get better hits.
Click to expand...
Click to collapse
I have this little one:
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Link to that website
and there is Linux drivers. I tryed to compile it on my Asus M51vr laptop, - I got only compiling errors (even I installed kernel "something"..) About compiling on mobile phone - on READ-ONLY system and where is no compatible drivers..?
That's why am asking for help I've read that it's possible to connect Alfa USB adapter...

[Q] Tablet or phone as a powerbank

Hi. Is there any tweak or hack that will enable me to use my tab as a powerbank by using otg cable and usb cable. it is clearly that the power can come out from the usb port because it can power up a pendrive or for some tablet a hard disk. So it sound like possible to enable a tablet to become a powerbank.
Furthermore, is there any tweak that will enable me to transfer data from a tablet to a phone or vice versa by using otg cable and usb cable.
Thanks everyone.

asking response
anyone? or im just the one who in need of this...

androidaman said:
Hi. Is there any tweak or hack that will enable me to use my tab as a powerbank by using otg cable and usb cable. it is clearly that the power can come out from the usb port because it can power up a pendrive or for some tablet a hard disk. So it sound like possible to enable a tablet to become a powerbank.
Furthermore, is there any tweak that will enable me to transfer data from a tablet to a phone or vice versa by using otg cable and usb cable.
Thanks everyone.
Click to expand...
Click to collapse
Nope. There ain't no way you can use your phone as power bank meanwhile you can use its battery if you can remove that to get some power in your phone.. That works nice.
Why do you need to transfer data from tablet to phone using otg when you've got superbeam by the side.
Download and install suoerbeam you'll be addicted....

meakshay_mishra said:
Nope. There ain't no way you can use your phone as power bank meanwhile you can use its battery if you can remove that to get some power in your phone.. That works nice.
Why do you need to transfer data from tablet to phone using otg when you've got superbeam by the side.
Download and install suoerbeam you'll be addicted....
Click to expand...
Click to collapse
ooo. thanks for the superbeam suggestion. but why we cannot make our tablet as a powerbank? is it kernel related?

Power Bank Charger
I Think This Power Bank is better . because Have Reddot Design Award.
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http://lordia.ir/شارژر-همراه-موبایل-و-تبلت-power-bank/

I think I want a usb Female to Felame - but not sure.

Hi all,
got a bit of an odd one for you all to ponder over. I recently purchased a magnetic charging cable. One of these
http://www.ebay.co.uk/itm/201496892947?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT
It has a very small adapter that plugs in and lives in the micro usb slot on my note 3. The cable end then attaches magnetically and away we go - charge and data - pull and it drops off. Pure magic.
The pondererance is how do I connect OTG devices? This adapter is a snug fit and designed to stay put. For socket damage I would also prefer it stay that way. The lead goes to a normal USB male. So to connect I think I need a usb Female to Female - such a thing does exist here
http://www.ebay.co.uk/itm/2-x-USB-2...515514?hash=item20cfdff93a:g:~9kAAOxy4t1Sf0rr
but I am unsure what is wired to what - and indeed what should be wired to what... So
1) is this the right thing - plug the magnetic lead into it then plug a USB pen in to the other end and away we go?
2) if not how should a female to female be wired? I have plenty of usb extension leads and am willing to cut a pair of them to make the appropriate adapter?
3) if there are no definitive answers how safe do you think it will be to try? I am thinking get the one from e-bay and then plug in a usb pen. Best case it just works, bad is the power is wrong and it kills the pen (upsetting but I can live with it). Worst case it blows up the phone. What chances do people think for just working or damaging stuff?
Open to any and all thoughts and suggestions...
Keverso

Personally, I would give it a try - learning by doing. But I think the chances are not quite high that it will actually work.
Here is a scheme of the difference between OTG and regular USB.
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Sounds good. Looking forward to it.

alphatact1cs said:
Personally, I would give it a try - learning by doing. But I think the chances are not quite high that it will actually work.
Here is a scheme of the difference between OTG and regular USB.
Click to expand...
Click to collapse
So - if I am reading this correct I take two extension leads - cut the female ends and join each colour to the same on the other lead (assuming both leads have the same colour code) and that should (with a little luck) work? That sounds easy enough. I am obviously worried about killing something but I have got an old galaxy 1 phone kicking about somewhere as well as a usb pen I would not be too upset to lose. I may well give it a shot this weekend and see what happens... I will report back if I do.
Thanks for the help.
Keverso