Database Develop

[Q] MHL video and USB OTG at the same time?

I'm hacking a portable USB keyboard (from HP iPaq) to work on my note and planning on including USB hub, battery power pack, USB port for flash drive.
I'm also planning on adding HDMI out. I'll either include a switch to go between USB (keyboard etc) and video only or if I can have everything then this will become my "turn Note into a computer" all in one solution when plugged into HDMI monitor/television.
All the pins are there. But I don't know if MHL and USB can be used at the same time. Anyone know or do I have to try it and see what happens?
Blowing up my Note USB chip would not make my day! LOL

PurpleMelbourne said:
All the pins are there. But I don't know if MHL and USB can be used at the same time. Anyone know or do I have to try it and see what happens?
Blowing up my Note USB chip would not make my day! LOL
Click to expand...
Click to collapse
Sorry to rain on your ideas for the second time but not possible. Even if the logic were there to somehow implement both modes, there just is not enough bandwidth on those wires. You only have two twisted pairs and 1080P needs almost all that bandwidth to push enough ones and zeros to fill the screen at 25-30fps.
Your best bet for satisfying that fantasy is bluetooth keyboard and mouse. Think I saw a youtube video yesterday of a guy playing a game through MHL out while controlling through a bluetooth keyboard.

They are mutually exclusive connections at the hardware level, so no software mod can make this possible.
Bluetooth keyboard and mouse are great - check out my youtube channel "AndroidNZ" for a demo on MHL and various uses.

I was already impressed a while back by your video showing MHL video and so I went and bought a connector of my own on ebay
My main focus is to make a little do it all dock for sitting having lunch in a cafe. All built into a wired HP iPaq keyboard. I currently have a Dell Axim bluetooth keyboard and Logitech bluetooth mouse, but they aren't as smooth as I'd like. But the mouse is probably only useful when using a big screen.
So hardware hacking time!
But even if I can't do both, it will be nice to have my phone sitting next to the television with only a short HDMI lead and the phone doesn't flop around because of the stiffness of said HDMI cable as it does currently with my existing octopus setup of leads.
So it will have two modes.
Video mode where the keyboard only acts as a stand, battery pack and video port.
Cafe mode where I have keyboard with stand, USB flash drive, battery pack and USB.
All in a 15cm x 10cm x 2.5cm tidy expanding package :-D
Maybe when the Note 2 comes out with USB 3 we might be able to have both video and USB

oops, duplicate

MHL + OTG Multimedia dock is now available!
Heres the answer to your mhl + otg problem guys but a bit costly!
http://www.ebay.com/itm/Original-Sa...axy-Note-2-N7100-EDD-S20EWEGSTD-/230889526839

who can read is in advantage
this dock station is for the note II and not for the note I.
The pinout is different.
but 1 solution could be plugging in otg then usb hub then the micro usb female to usb A then the Mhl adaptor and the other connector of the hub with the mouse and the keyboard
http://de.focalprice.com/CA0352B/USB_A_Male_to_Micro_USB_Female_Adapter_Black.html
but finally i think it won´t work because there is not enoug voltage and power to get all devices so u need an external power supplier for the hub or an battery connect with the hub. try it out and tell us of your experience
)
alz_uk said:
Heres the answer to your mhl + otg problem guys but a bit costly!
http://www.ebay.com/itm/Original-Sa...axy-Note-2-N7100-EDD-S20EWEGSTD-/230889526839
Click to expand...
Click to collapse

How to use USB Host without an HD Dock (Updated 11/7/12)

In light of the EOL status of the Bionic, this method may no longer be the most cost effective, as the HD dock is now $24 on Amazon, before shipping. Still, this is a cheap way to use usb devices away from a tv or monitor. Please keep all of this in mind before considering this option.
Many Bionic users have wondered if they could somehow use USB host without having to buy an expensive dock. Well, I have just finished testing a method that works. Now please note it's not the sleekest or most portable of methods. Still, it works.
Test Build - http://img.photobucket.com/albums/v148/silversonic1/GEDC0056.jpg
You may be wondering why I am using a Y USB cable. In my testing, I have come to the conclusion that Motorola intentionally crippled the phone's OTG functions. It appears that the host mode only works when TWO priorities are met. First, the phone MUST be receiving power. Second, a hub MUST be used. If either of these is not met, the OTG mode stays offline.
Because this method requires extra power, you have to have a powered USB port nearby. Some USB power packs may put out enough power, but it's still uncertain. However, since my Scosche solar battery pack worked both for the Bionic alone and for this build, it could be possible that anything that works for the Bionic will work for the build as well. Also, I have no way of testing this in a car at the moment.
Action Shot - http://img.photobucket.com/albums/v148/silversonic1/GEDC0052-1.jpg
In the action shot, I am testing a 4GB SanDisk Cruzer. I did run other tests and usb keyboards and mice will work. I used a wireless Targus mouse, as well as a wireless HP mouse and keyboard. They all worked. Sadly, that is the extent of my current HID tech at the moment.
One thing I have observed in my tests is that you should have all of your rig connected before hooking it up to your phone. That includes external power. Not doing so could cause your hub to be recognized much more slowly, or not at all.
I would also like to note that although many hubs allow for AC/DC power adapters to be used, most hubs won't send power through the host port. That is why the Y cable is necessary. But don't worry! I believe that if you attach the power connector of the Y cable to one of the ports of your powered hub, this should give you all the power you need for the phone to charge and activate the OTG mode.
Here's what you need.
USB hub with mini USB port for connecting to host device($5-$20)
Y USB cable($4)
USB Type A Female-USB Micro Male adapter($1-2)
Build subtotal-$10-$26, before tax or shipping. Depending on what you already own, this could still be cheaper than an HD Dock.
All hubs with a mini usb host port should work for this build. But if there are any that don't, please give me the make and model info so I can add them to the list below.
Hubs Confirmed Unusable
None so far
Thank you for looking this through. I hope it helps.
Update 11/7/12- Still works on the 246 OTA.

silversonic1 said:
Many Bionic users have wondered if they could somehow use USB host without having to buy an expensive dock. Well, I have just finished testing a method that works.
Now please note it's not the sleakest or most portable of methods. At this writing, I am still waiting on USB OTG connectors that are known to work for other devices. However, I didn't want to hold back a successful result while waiting on an unknown.
Test Build - http://img.photobucket.com/albums/v148/silversonic1/GEDC0056.jpg
You may be wondering why I am using a Y USB cable. Put simply, it gives the power needed to charge the phone and to power the hub. EXTERNAL POWER IS NECESSARY. Because this method requires extra power, you have to have a powered USB port nearby. Some USB power packs may put out enough power, but it's still uncertain. However, since my Scosche solar battery pack worked both for the Bionic alone and for this build, it could be possible that other packs that work for the Bionic will work as well.
Action Shot - http://img.photobucket.com/albums/v148/silversonic1/GEDC0052-1.jpg
In the action shot, I am testing a 4GB SanDisk Cruzer. I did run other tests and usb keyboards and mice will work. I used a wireless Targus mouse, as well as a wireless HP mouse and keyboard. They all worked. Sadly, that is the extent of my current HID tech at the moment.
One thing I have observed in my tests is that you should have all of your rig connected before hooking up your phone. That includes external power. Not doing so could cause your hub to be recognized much more slowly, or not at all.
Here's a list of the parts used. (Will update specifics if requested.)
USB hub with USB-mini interface for host device($5-$20)
Y USB cable($4)
USB Type A Female-USB Micro Male adapter($1-2)
Build subtotal-$10-$26, before tax or shipping. That's a lot cheaper than $55-$100 on an HD dock.
Thank you for looking this through. I hope it helps.
(Also, if this thread is in the wrong place, I'm sorry. I didn't think this was necessarily an accessory thing, but rather a way to utilize a built-in feature.)
Click to expand...
Click to collapse
thats freaking awesome dude

iNsAnEmOd said:
thats freaking awesome dude
Click to expand...
Click to collapse
I'm glad you see it that way. It's my hope that this works for any Motorola device that is built with a lapdock mode.

I'm hoping someone makes an app that allows me to use my tablet for a keyboard and mousepad for the webtop. I'm not a fan of hanging out within 6 feet of my tv when using the webtop.
Sent from the Evil Empire

smokedkill said:
I'm hoping someone makes an app that allows me to use my tablet for a keyboard and mousepad for the webtop. I'm not a fan of hanging out within 6 feet of my tv when using the webtop.
Sent from the Evil Empire
Click to expand...
Click to collapse
Well, this rig works with wireless keyboards and mice. True, not the same as a tablet, but it'll get you further from the tv.
As for what you are suggesting, I thought I had heard some people were working on something similar. I'll PM you if I find it.
xda premium is insane! ... In a good way.

What Components
What is the amperage output of the power source your using? Also what is the model number of the usb hub your using? i tried a usb hub i had but it didnt work. Also did you have to bridge the pin 4 to ground on the micro plug in essence creating a otg cable?

codenamefly21 said:
What is the amperage output of the power source your using? Also what is the model number of the usb hub your using? i tried a usb hub i had but it didnt work. Also did you have to bridge the pin 4 to ground on the micro plug in essence creating a otg cable?
Click to expand...
Click to collapse
Ok. One thing a a time.
Power.
In the action shot, I used my laptop. However, the charger that comes with the phone works as well. That's 5.1volts, 850mA
Model of hub.
I have tested 2 different hubs at this point. At the moment, the one from the photos is unavailable, so I can't get the model info from it now. However, the other I tested is a Manhattan 4-port USB hub, model 160612.
Connector.
I made no modifications to the connectors that I have used. They were, however, already being marketed as OTG adapters. I ordered the one from the pictures on dealextreme. I recently bought newer ones from ebay that are angled up the side of the phone. The new ones work as well.
I suggest that you make sure all of your connectors are secure. A proper connection will have the phone charging while the hub receives power. If it fails to connect to a device after 1 minute when you make your first connection, disconnect the phone and than reconnect.
If you still have trouble after, please post what you're using along with a pic of your setup. With any luck, we'll get it all sorted out.

Working portable prototype
I have a working portable prototype using a 9v battery as the power source. I think the problem with the initial test is that i wasnt waiting long enough for the phone to detect the usb hub and the memory card. Now i have it working fully. I have tried 2 different usb hubs and both worked. 1 was the micro innovations usb204n it worked but was a bit bulky. The second was one i bought from a store local to my home called biglots its an E Source brand 4port usb 2.0 $7. Its nice and slim with an extra ac port on the side. The setup ill be creating is i will wire a 9v battery to a 7805 voltage regulator (with an inline power switch of course) soldered directly to the pins of the ac port. Then i will desolder the usb plug and solder in my homemade otg cable. So all you will have to do is plug it directly to the phone plug in the usb drive and then flip the power switch. i dont wanna post pictures of the ugly prototype so ill have pictures of the final product this weekend. I will say that i found out a usb hub is not needed to use a mouse but the otg cable is. Thank you silversonic for your help

codenamefly21 said:
I have a working portable prototype using a 9v battery as the power source. I think the problem with the initial test is that i wasnt waiting long enough for the phone to detect the usb hub and the memory card. Now i have it working fully. I have tried 2 different usb hubs and both worked. 1 was the micro innovations usb204n it worked but was a bit bulky. The second was one i bought from a store local to my home called biglots its an E Source brand 4port usb 2.0 $7. Its nice and slim with an extra ac port on the side. The setup ill be creating is i will wire a 9v battery to a 7805 voltage regulator (with an inline power switch of course) soldered directly to the pins of the ac port. Then i will desolder the usb plug and solder in my homemade otg cable. So all you will have to do is plug it directly to the phone plug in the usb drive and then flip the power switch. i dont wanna post pictures of the ugly prototype so ill have pictures of the final product this weekend. I will say that i found out a usb hub is not needed to use a mouse but the otg cable is. Thank you silversonic for your help
Click to expand...
Click to collapse
I am certainly looking forward to seeing what all you have come up with. Just take your time. After all, I'm sure there are those who are willing to build a more stylish solution than I have up top.

Battery powered usb hub
Ok so i finished the battery powered usb hub that connects to any micro usb phone but it was to bulky using the 9v battery. So i came up with another design using an old cell phone battery. So it is rechargeable as soon as i add the on off switch it will be finished.
---------- Post added at 09:41 PM ---------- Previous post was at 08:44 PM ----------
The usb hub was just too bulky using the 9v battery
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Rechargeable battery powered usb hub with otg cable
Here is the finished hardware. I took pictures before i seal it all up so yall could see what all i did. The usb hub has a otg cable that plugs into your phone. It has a 950mah cell phone battery and the circuitry from an emergency charger that converts 2 aa batteries (3v) to 5v. Also on the circuitry was an led flashlight so i decided to keep it in there just in case . The only problem was that the off switch that was on the circuit wouldn't shut off the power to the hub for some reason so i put a secondary switch on the power wire to the hub. I had a problem with the charger charging the battery because it charges the battery based on voltage and the capacitors were screwing that up so i put a diode on the power going into the up-scaling circuit board but not as to break the connection with the charger to battery wires.

That is certainly the most mobile solution to USB host so far. Kudos!

problem
I was having a problem soon after I put everything together. Anytime I plugged the phone in the circuit would shut down because to much amperage was being pulled from the battery and as a safety thing lithium batteries will shut down so they wont over heat I finally realized all I had to do was put an 8ohm resistor on the power wire going from the usb hub to the phone. 8ohm only because that was what I had. I tried a 1/2ohm resistor and it worked but the less amperage being pulled from the battery the longer it lasts and the circuit doesn't get as hot.

hey man, thanks a lot for your research! i hopped on this thread and about 30 seconds later i had my wireless (unifying usb receiver) logitech keyboard and mouse working
had a male->male usb cable, usb hub, and micro usb male -> full female lying around. plugged everything in and presto!
the touchscreen monitor doesn't work though for webtop

More than likely because touch screen drivers aren't as generic as mice or keyboards. But it was a good thing to try out. Mind sharing the make and model info? It will be helpful to others to know what to expect.

Mine works, cheapo Micro Center hub
I actually spoke with the OP this weekend, and before I read his reply, I was up and running. Sadly, I bought a Manhattan hub based on his findings, which was a bit pricey given the current price of normal USB hubs. I paid $15 on ebay for one, and when I got it, it didn't work. I then bought a usb Y cable from ebay as well, and that was the culprit, that cable was necessary for any hub, regardless if it uses an AC power adapter or not.
On a good note, that means that there's a good chance cheaper (and easier to find) USB hubs may work. The one I'm currently using is Gear Head brand, was $9 at Micro Center. That hub without using the included power cable, and just using the Y usb cable bought separately and the OTG adapter on ebay got me up and running.
Hmmm...now that I look, it seems the hub I got for $9 went up to $15 anyway, but here's what I used incase you have a MC closeby and don't feel like waiting for shipping. Search for SKU 280750 on Microcenter's site. I'm new here so it won't let me post URL's.
Bad news is you'll be paying a total of around $20 for this project, the good news is that may be the maximum you'd be paying, and that's if you buy a $15 usb hub. Honestly, I'd say just look around local stores for one cheaper that has a mini USB port to connect it to the phone + external power usb port (i.e. a laptop next to the phone), and if it doesn't work, return it as long as you can box it up without it looking demolished. Best of luck to everyone, but I hope my verification shows there may be more hope since the Manhattan model is fairly hard to find at a cheap price.

silversonic1 said:
You may be wondering why I am using a Y USB cable. In my testing, I have come to the conclusion that Motorola intentionally crippled the phone's OTG functions. It appears that the host mode only works when TWO priorities are met. First, the phone MUST be receiving power. Second, a hub MUST be used. If either of these is not met, the OTG mode stays offline.
Click to expand...
Click to collapse
I'd imagine they didn't want both the phone and Lapdock trying to send power over USB simultaneously.
Thanks for the guide, it was useful

mossadacity said:
I'd imagine they didn't want both the phone and Lapdock trying to send power over USB simultaneously.
Thanks for the guide, it was useful
Click to expand...
Click to collapse
You're welcome. I have updated to the ICS leak, so I will have to test again, just to be sure that nothing has changed.

3d printed docking station
silversonic1 said:
More than likely because touch screen drivers aren't as generic as mice or keyboards. But it was a good thing to try out. Mind sharing the make and model info? It will be helpful to others to know what to expect.
Click to expand...
Click to collapse
Sorry for the delayed reply.
I buy generic cables from meritline.com, so there is no brand on them :good:
I think I'm the first person on Thingiverse to create an accessory for the droid bionic, what do you guys think of it:
That was iteration #1, to get the dimensions correct. From here, I can go anywhere. Do folks have any dock dreams they'd like to see come to fruition?

For a while now I've wanted to be able to use my waterproof camera to take pictures, and use my phone to upload them to the web without needing to fire up a computer to do a transfer from the SD card to the phone. This thread inspired me to finally take the leap to work up an OTG adapter. I went on Amazon to buy the Y-cable and the little adapters, but found something better.
This (board won't let me post a link because I'm new) is a USB hub that connects a phone to one of the four downstream ports with a built-in micro USB connector cable. I ordered one up, suspecting that I could mod it to be an OTG adapter. I was right.
To do the mod, the first step is to pry the endcap off the micro USB connector and slide the cover back. This exposes the soldered wire connections. One side of the connector has three wires.
The other side has one wire and an empty solder pad.
Solder a jumper wire from the empty pad to the black wire on the other side.
Then slide the connector cover back over the connector, and press the endcap back into place. If necessary, you can secure the end cap with a drop of super glue.
Next, open the case of the hub. Mine pulled right open with only finger pressure. Use a small screwdriver to remove the circuit board. It is not held by anything other than a light press fit.
This is the back side of the circuit board.
This is the chip that runs the USB hub.
I googled the chip number and downloaded the data sheet, just to be sure there were no gotchas. There weren't any. The only modification is swapping the regular and the micro USB cables. It goes without saying that this requires a very fine soldering iron and a steady hand. Desolder both cables and reattach the micro USB cable on the Host end of the circuit board.
This lets your phone control the hub. As was mentioned earlier in the thread, the Droid Bionic won't power the hub, so you need to hook up the other USB cable to the device side of the circuit board to provide power. Only hook up the power wires. Just cut the data wires short.
Then reinstall the circuit board into the case.
And press the cover back on.
It would be easy to wire a battery to the hub either by connecting to the USB port cable, through the 5VDC power input jack, or by removing the jack and hard wiring directly to the circuit board.
To use the adapter, I plug my SD card reader into the hub, plug the power USB connector into my wall adapter (or car adapter), and plug the micro USB cable into the phone (in that order). The phone immediately loads the card as an attached storage device.
Enjoy,
Todd F.

Flashable USB OTG Modules THAT WORK! (Now Including Ethernet Support)

I am not responsible for your bricked phone/SD. If blame me I will laugh at you.
You should know by now the disclaimer and blah blahs!
I have looked EVERYWHERE (google and fastboot is your friend) for these and tested multiple times
different modules and found the ones that work. They only program -should- be needed as it is the only
one I use is a program that is free on the Google Play Store is Paragan NTFS&HFS+ Program. *Root of course*
I have tested this on my phone itself and I am using my external mouse,
keyboard and external drive as we speak!
My personal set-up is a Targus PAEPRO090 so called "docking station" that has
5 USB HiSpeed Ports
LAN Adapter
Printer Port
Serial Port
3.5 mm Audio Jack (although I have yet to get it to work)
What this does
INSTALLS:
FUSE driver (Full NTFS Read Write support for ARM devices)
isofs (To allow mounting ISO and image files)
nls_utf8 (for mounting a CIFS windows share and allows extra features)
NTFS modules (to allow android to mount NTFS)
and a module that allows for NTFS USB mounting
Version 2 has Ethernet Drivers AND my OTG drivers all in one.
If things do not start up (ethernet) go to the terminal and enter
Code:
su
usb_ethernet

Thanks for sharing this!
One question: Can you actually take a regular USB OTG cable (with micro USB on one side and a female 'regular' USB A connector on the other side) like this:
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And use it to connect e.g. a USB flash drive to your phone?
Because AFAIK the Droid 4 USB port doesn't provide power output, I once tested it with mine with a special splitted USB cable that get's the power elsewhere, which worked, but not with a regular USB OTG cable.
Thanks

You need a cable that is split and provides power externally.
Sent from my DROID4 using xda premium

I took the otg cable as shown striped a portion of the plastic back, took a standard charger (5.1v 850 mA) spliced in the red and black works fine with keyboard, mouse and flash drive(for me and my generic three). A powered USB hub works also just phone wont charge with the powered USB hub i have...
...would love to know how to get a dock type reaction when plugged into a powered otg cable without a third party app on a stock d4... ima take my dock apart see how they have it wired...
Sent from my DROID4 using xda app-developers app

dbreezy187 said:
I took the otg cable as shown striped a portion of the plastic back, took a standard charger (5.1v 850 mA) spliced in the red and black works fine with keyboard, mouse and flash drive(for me and my generic three). A powered USB hub works also just phone wont charge with the powered USB hub i have...
...would love to know how to get a dock type reaction when plugged into a powered otg cable without a third party app on a stock d4... ima take my dock apart see how they have it wired...
Sent from my DROID4 using xda app-developers app
Click to expand...
Click to collapse
I believe it uses the 5th (pin 4) USB wire that "normally" isnt't used. But when you make the OTG Cable that requires external power make sure you connect up the power to the part you hook your external device and not the side you hook up to your phone... Get what im trying to say? lol
NORMAL
Pin 1: VCC
Pin 2: data-
Pin 3: data+
Pin 4 Not connected/unused/sense
Pin 5: ground
OTG Cable
Pin 1: VCC
Pin 2: data-
Pin 3: data+
Pin 4 ground (Pin 5)
Pin 5: ground

Yes this i understand i have made several otg cables for friends with quick connect power supply for use with a hub.. but a few would like a dock made rather then pay the 90$ i figured i could make one. When plugged into either of the two docks your prompted with a choice for a dock type office, bedside, charge only.. this is what I wish to achieve without any app installed or root as some of my moto friends don't wish to root... I can put a dock together for about 25$ with USB hub, hdmi and audio jack just no reaction from phone when plugged in... would even settle for landscape on home screen when plugged in...thank you kindly for any info... haven't yet had the time to take my two apart...
Sent from my DROID4 using xda app-developers app

I'm pretty sure the dock is detected by those 4 pins on the bottom right of the battery on the phone; a magnet is placed inside the dock in a spot that would line up with the phone's sensors.
II've never tried to do this but I'm sure it wouldn't be very difficult.
Sent from my XT894 using xda premium

Ok... so i took a look at the inside of the standard HD dock (no USB hub) it appears that a resistor on pin 4 prior to the ground triggers the dock mode... I was interrupted during the "examination" of the guts so the size of the resistance is not know yet and it appears pins 2, 3, and 5 are split off into the audio jack more details yet to come...
Sent from my DROID4 using xda app-developers app

Rick#2 said:
I'm pretty sure the dock is detected by those 4 pins on the bottom right of the battery on the phone; a magnet is placed inside the dock in a spot that would line up with the phone's sensors.
II've never tried to do this but I'm sure it wouldn't be very difficult.
Sent from my XT894 using xda premium
Click to expand...
Click to collapse
Actually I think those 4 pins are for the inductive charging battery cover option.

Cable needed
Can anyone point me to an exact place I can buy a cable? I'd prefer one that I can plug into a usb charger on one end, then my phone/usb otg device on the others. I'd appreciate it. I see so many places that say use this cable, then someone says no it doesn't work.

zeroktal said:
Can anyone point me to an exact place I can buy a cable? I'd prefer one that I can plug into a usb charger on one end, then my phone/usb otg device on the others. I'd appreciate it. I see so many places that say use this cable, then someone says no it doesn't work.
Click to expand...
Click to collapse
this is the one I bought
http://goo.gl/6hOAV

Awesome Thanks
I just ordered one, thanks a bunch.

Ok guys I want to share a guid with you on the same subject.
You can find all these modules, programs and instructions HERE.
I have tested the above and are working fine.
I was not able to make the wireless keyboard work though.
They say that you don't need a module for that but as far as I can see the wireless keyboard does not work on my phone.
It did work fine when I had the 2.3.4 with the older usb-hid and usb-keyb modules.
I use these on an Xperia Neon V with ultimate HD v.2.0 ROM and kernel .587
Can anyone test if wireless keyboards work on this setup and confirm?
Mouse works fine. Usb Storage as well.
As for the cable I ordered this one
It has a micro usb female port where you can suppry power using a standard USB charger cable.

Re: Installable ICS USB OTG Modules THAT WORKS!
Je2854: Cable works perfect, thanks a bunch.

zeroktal said:
Je2854: Cable works perfect, thanks a bunch.
Click to expand...
Click to collapse
your welcome, any time

je2854 said:
your welcome, any time
Click to expand...
Click to collapse
Hi! Does it work with Jelly Bean 4.1.2 stock rom? I've just got the cable (Y cable which can get external power from USB) from China, after more than 1 month, and I've just updated the phone.

Mr Wolf said:
Hi! Does it work with Jelly Bean 4.1.2 stock rom? I've just got the cable (Y cable which can get external power from USB) from China, after more than 1 month, and I've just updated the phone.
Click to expand...
Click to collapse
It should work with any version 4.x.x or higher

Ok... I'm ready to try!
A dumb question: should META-INF folder be copied in the root folder? And the modules in their path, right?

Mr Wolf said:
Ok... I'm ready to try!
A dumb question: should META-INF folder be copied in the root folder? And the modules in their path, right?
Click to expand...
Click to collapse
the only thing you should do it flash the zip...
everything goes to its proper folder in the OS

Many thanks!
Another dumb question: what I flash it with? RSD Lite o Flash recovery? :cyclops:

[Q] USB Audio Possible?

Can anyone confirm if this has USB Audio out? If so, what cable do I need or if I need to hook it up to a DAC?
I want to hook the phone up to when I'm in my car's AUX so I can listen to music. I really don't want to use the headphone jack because 1, it's on top, and 2, I'd need to plug 2 things in if I need to charge the phone.

It does work but you will need a dac and a usb otg cable.

huxley309 said:
It does work but you will need a dac and a usb otg cable.
Click to expand...
Click to collapse
That's perfectly fine. Unlike the Nexus 4, not even those will work... >_< Thanks for the confirmation.

Another option is to buy HTC Bluetooth StereoClip.
http://www.htc.com/www/accessories/htc-bluetooth-stereoclip/

apa1102 said:
Another option is to buy HTC Bluetooth StereoClip.
http://www.htc.com/www/accessories/htc-bluetooth-stereoclip/
Click to expand...
Click to collapse
I've read many reviews of using bluetooth. From $20 to $100... they all have lower quality then direct cable. I do have a quite nice sound system in my car and quality is really important to me so I'd rather go with the direct cable.
I'm still considering selling the 4 for the One once it's available here and so far, things are looking quite good. I do hope I can have the option of choosing the higher MP camera since I am here in China/Hong Kong. I do like to be able to crop pictures.

turbocomppro said:
I've read many reviews of using bluetooth. From $20 to $100... they all have lower quality then direct cable. I do have a quite nice sound system in my car and quality is really important to me so I'd rather go with the direct cable.
I'm still considering selling the 4 for the One once it's available here and so far, things are looking quite good. I do hope I can have the option of choosing the higher MP camera since I am here in China/Hong Kong. I do like to be able to crop pictures.
Click to expand...
Click to collapse
Same here, prefer cables. Using a cable to go from an iPod interface to a Samsung dock. Hopefully I could get a similar dock (or deconstruct this one) to use with the One.

HTC One is reportedly interworking with FiiO E7 USB DAC/amp:
http://www.head-fi.org/t/655952/htc-one
http://www.headfonia.com/fiio-e7-portable-dac/
HTC One > USB out >> USB OTG adapter cable + USB cable provided in the DAC box >> FiiO E7 USB DAC/amp >> headphones
About the so-called OTG cable:
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1155#post_8979038
Thanks Huxley!

Thanks for the info. I will definitely consider the One when it becomes available here.

Danba i know, I'm huxley on head fi

apa1102 said:
Another option is to buy HTC Bluetooth StereoClip.
http://www.htc.com/www/accessories/htc-bluetooth-stereoclip/
Click to expand...
Click to collapse
If history is a guide, the aptx Samsung HS3000 is likely more economical than the HTC version. AptX bluetooth is pretty good, but it will be the weak link in a high-end setup. If your environment is quiet, you can definitely hear the difference vs. wired IEMs. For car though, not bad.

danba said:
HTC One is reportedly interworking with FiiO E7 USB DAC/amp:
http://www.head-fi.org/t/655952/htc-one
http://www.headfonia.com/fiio-e7-portable-dac/
HTC One > USB out >> USB OTG adapter cable + USB cable provided in the DAC box >> FiiO E7 USB DAC/amp >> headphones
About the so-called OTG cable:
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/1155#post_8979038
Thanks Huxley!
Click to expand...
Click to collapse
I would love to try my One via a Fiio E17 usb dac / headphone amp
Sent from my HTC One using xda app-developers app

"For those that need to know, the Fiio E17 works fine with the HTC One."
http://www.head-fi.org/t/655952/htc-one/30#post_9328043

HTC One & FiiO E17:
http://gavinsgadgets.wordpress.com/tag/gavins-gadgets/
stock HTC One > USB out >> FiiO E17 USB DAC >> FiiO E12 amp
"I also tried connected a Fiio E17 headphone/dac via USB. This worked really well, and I am pleased that the HTC One has USB audio out as a standard feature. As a comparison you can get USB audio out from the iPad Mini, iPhone 5 and older Apple devices, but as Apple control the authentication aspect, any USB DAC subsequently costs a premium due to the royalties Apple charges and their bespoke connectors. At least with the HTC One it is using a worldwide standard micro USB connection.
Connecting the Fiio E17 via USB to the HTC One, and using the DAC on the Fiio you begin to realise just how capable the One is in the audio department. Truly astonishing. And for the full affect you can use the Fiio E17 as a USB DAC only and feed the signal to the Fiio E12 Mont Blanc Portable Headphone amplifier, as shown below."
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danba said:
HTC One & FiiO E17:
http://gavinsgadgets.wordpress.com/tag/gavins-gadgets/
stock HTC One > USB out >> FiiO E17 USB DAC >> FiiO E12 amp
"I also tried connected a Fiio E17 headphone/dac via USB. This worked really well, and I am pleased that the HTC One has USB audio out as a standard feature. As a comparison you can get USB audio out from the iPad Mini, iPhone 5 and older Apple devices, but as Apple control the authentication aspect, any USB DAC subsequently costs a premium due to the royalties Apple charges and their bespoke connectors. At least with the HTC One it is using a worldwide standard micro USB connection.
Connecting the Fiio E17 via USB to the HTC One, and using the DAC on the Fiio you begin to realise just how capable the One is in the audio department. Truly astonishing. And for the full affect you can use the Fiio E17 as a USB DAC only and feed the signal to the Fiio E12 Mont Blanc Portable Headphone amplifier, as shown below."
Click to expand...
Click to collapse
My experience with HTC One
When using various music players including my preference NeutronMP with Fiio E17 connected via USB otg cable is that HTC One outputs analog audio and thus the E17 dac / headphone amp is acting as an amplifier only.
When I use the same hardware with USB Audio recorder Pro trial it works as expected, that is Usb outputs digital audio and the E17 operates as a dac and amp.
The paid version of usb audio recorder Pro doesn't work at all.
Edit usb audio recorder pro now works fine
I am on custom Rom ARHD 4.2
Edit now ARHD 9.3 plus custom kernel
Sent from my HTC One using xda app-developers app

huxley309 said:
It does work but you will need a dac and a usb otg cable.
Click to expand...
Click to collapse
I've got an old car dock that worked for my old Samsung phone to charge and output audio, but doesn't seem to for htc one. For the Samsung I had to run a program in the background to get the dock to output sound via usb. Is there a setting I need or background program needed to run for this too?
Any help would be awesome, thanks!

dont buy the HTC Stereo Clip A100. It doesnt work. See here http://gavinsgadgets.wordpress.com/2013/04/16/htc-one-and-the-htc-a100-car-clip/
A better option is the Samsung HS3000 with a 3.5mm to 3.5mm cable going from HS3000 headphone socket out to the AUX car input.

shannyb1972 said:
I've got an old car dock that worked for my old Samsung phone to charge and output audio, but doesn't seem to for htc one. For the Samsung I had to run a program in the background to get the dock to output sound via usb. Is there a setting I need or background program needed to run for this too?
Any help would be awesome, thanks!
Click to expand...
Click to collapse
Won't happen, the whole point of a dac is it takes the digital signal from usb, and converts it to audio.
Much like how your cd player converts the data on the disc to audio, you need the necessary hardware for it to work.
A dock is just a simple usb connector, nothing more.

huxley309 said:
Won't happen, the whole point of a dac is it takes the digital signal from usb, and converts it to audio.
Much like how your cd player converts the data on the disc to audio, you need the necessary hardware for it to work.
A dock is just a simple usb connector, nothing more.
Click to expand...
Click to collapse
Ok, but my old phone was capable of outputting audio this way without any other hardware. It was phone=>dock=>aux input. I thought the car dock was wired a special way so the phone knew it was a car dock, not just a regular usb connection. Once the phone knew it was attached to a car dock, it would turn on my car home screen app and run another program that I found here at xda that told the phone to output via usb instead of the speaker. But that program I think was specific to Samsung.
I could be wrong about the details of how, but the setup worked. Just curious if I could do the same with my one. Maybe not.
Thanks for your help!

Hmm well that is bizarre, i couldn't honestly say but sounds like it has hardware that's specific to that phone, so it's probably unlikely that any other would work.
I still doubt there is a dac inside the dock, but clearly somethings going on hard to say without ripping it open.
Most car docks i've seen just make use of the 3.5mm jack for this very reason.

My S3 was able to output audio through the USB port, no DAC required. I had it hooked up through a cable to my car's 30-pin Apple connector and would transmit very good sound. I was hoping to do the same with my One. No luck to this point.
I'm hesitant to go purchase a bunch of cables without knowing. Guess I'll just hook it into the headphone port.

Looking for Y otg and charging cable please

I am going to install the Nexus 7 to my car, indash, but I need to find the cable that allows usb storage, dvb radio and charging, is there a cable that has multi usb connectors, please could someone give me links to items...many thanks.

promethieus said:
I am going to install the Nexus 7 to my car, indash, but I need to find the cable that allows usb storage, dvb radio and charging, is there a cable that has multi usb connectors, please could someone give me links to items...many thanks.
Click to expand...
Click to collapse
I was looking for something similar a while back. I'm in the UK and still haven't tracked one down

You can find a y otg cable HERE. If you need several USB port, you have to use an USB hub. And also you must flash a kernel with USB host mode charging patches.

promethieus said:
I am going to install the Nexus 7 to my car, indash, but I need to find the cable that allows usb storage, dvb radio and charging, is there a cable that has multi usb connectors, please could someone give me links to items...many thanks.
Click to expand...
Click to collapse
Something like this perhaps? It had a usb a cable with a switched 5v lead (for host mode charging), that end plugs into a regular usb otg cable. The other side has female usb a (for devices), mini usb (for most small usb hubs), and male usb a (for connecting to a power source, in the 2nd pick there is a 2000 mAh usb battery)
I couldn't find anyone selling them so I started making them. I could make you one or post a wiring diagram and you can go to town on it.
Sent from my DROID4 using Tapatalk

How much to make one and post it to me please.

Ill make and estimate for you over the weekend. Do you want it exactly like the one pictured or do you have a custom request? Your kernel supports otg charging correct? Where will I be getting a quote to ship to?
Sent from my DROID4 using Tapatalk

I have the usb car rom and kernel by http://mehrvarz.github.io/nexus-7-usbrom/, this should work. yes I would like the same as yours please.
I have alot to do to my car anyways, I previously re modded my dash to fit a double din and modded out my boot to fit the base amp and power cap in the boot still having the spare in there and the base actually fitting inside the spare wheel and still sounding good, so will have to research the wiring needed for the nexus and the volume control and such...please be nice with the price, I do appreciate it though.

I am in the uk, where are you from?

I found the kernel you compiled, wondering if this will work with the rom I installed too.

It might, its all cm10.1 source. The current version does not support host mode, the updated one I'm posting this week does (just so you know). If it does work for you you could do some fun wardriving with your car mount, if your into that sort of thing!
I'm in sunny california usa
Sent from my DROID4 using Tapatalk

Will have to see what the shipping fees will be, I have friends over there too. Part of a gaming clan. Have been for sooo long now. If it works out too much, I will have to ask you for the wiring diagram and I will have to see about doing it myself, I am good with electronics, but it was just the time to set aside. You can message me the diag if you like, please forward it to fixer14 at hotmail.com.

Ok cool, its a pretty straight forward design. If you can solder you can make one.
Sent from my DROID4 using Tapatalk

Ok matey, hit me up with the details then please.

I have just been out to my car and have set my phone up via bluetooth, and also want my nexus to connect to the phone and have sound, calls, satnav running to the amp via phone, when I try to connect it seems that it will only allow 1 device at a time, so this is an issue for me, I want to be able to run my copilot live from the nexus, and also have ability to play music and receive and make calls. is there a bluetooth receiver that will allow me to do this without having to switch to a specific device each time...any ideas welcome, my nexus is not a 3g one.
My amp is a 4 channel Hertz, with powercap installed.

I'm installing my nexus 7 in my car as well but I'm concerned that it wont charge while running Nav, Pandora and other apps at the same time. It seems that the nexus 7 is picky when it come to cables and chargers. What do you guys suggest

Riley1524 said:
I'm installing my nexus 7 in my car as well but I'm concerned that it wont charge while running Nav, Pandora and other apps at the same time. It seems that the nexus 7 is picky when it come to cables and chargers. What do you guys suggest
Click to expand...
Click to collapse
Ive got my nexus 7 installed into my double din, I'm using a Parrot device to bluetooth sound to but also charging it from the usb slot from the Parrot box.
I'm going to change the bluetooth to a AUX cable to save on battery use and already tried optimising settings to save on battery.
I'm not very clued up on this type of stuff but I've got it so the screen comes on and status on when power is there, got screen dimming widgets so I can dim the screen right down when I want to save battery.
All in all it works very well but battery does eventually die after a week or two so I take it out for a full recharge.
A couple of ideas I'm thinking is
1) using usb extension cable, run it to the glove box and every couple of days attach a emergency battery charging unit.
2) using a little solar panel charging unit built into parcel shelf.
Sent from my GT-I9300 using Tapatalk 2

I am not concerned about power usage as an inverter will solve this permenantly. As long as you get the correct charger for use with the inverter.

Im going with this charger. From the looks of it, it seems to be a good choice.
http://www.amazon.com/gp/product/B005J4OTUO/ref=oh_details_o03_s00_i00
I wonder why more developers don't include the fast charge option in their kernels. Ill let everyone know how it works

Okay, I have just made up a dock for the nexus for my car, it is in "Production State" at the mo, so I still have to tidy it up and spray it and finish it.
I have fitted a charging connector and audio connector into it,
Hardest part was getting the connectors to line up.
At least it is started now, I will be making up the OTG cable, when I get the wiring diagram for it, have all the bits ready.

Okay, here is the Video, I know the dock looks rough at the moment, but it has to be tidied up.
http://youtu.be/ElBILx72NTQ