Develop Bugs

Adapter

USB adapter. I just love the Elf phone.The only things I am disappointed in is that I cannot plug in a set of external speakers. I cannot plug in to the charger whilst watching a film as I need the socket for the headphones...
Does anyone know of an adapter to enable me to do this please? I could get one made up from the diagram, however I would prefer to buy a custom made one.
Roz

maybe something like this?
http://www.expansys.com/p.aspx?i=127184

The Elf has only a USB socket, nothing else... No phono or whatever they call it... For me this is the only fault with a superb little phone.
Thanks anyway.

dont know about the elf but all other newer htc devices have a special usb connector which also carry audio
if your device came with a headset then yours do too
as they device dont support usb host so it cant use any usb devices
nm just saw my link was wrong :S

http://www.expansys.com/htc/p_htc_item.aspx?i=148544
this was the link i ment to give you

3Way USB adapter for HTC Touch/Elf
There is in fact a 3 way adapter available. I found it after a bit of a search. For some reason some of you seemed to think I was looking for a headset. The USB socket on the HTC Touch does not allow you to use anything else other than the supplied USB headset. however I want to use a set of Sony speakers for the sound to play MP3's and as I like to watch films in bed through ORB I like to be able to charge the phone at the same time. The process uses a lot of battery power.
The adapter I found has a stereo jack socket and 2 USB sockets the same as the one on the phone. So now I can plug in my head set and charger or charger and speakers in any form I choose.
If anyone else is interested here is a link where you can buy one for about £12.00 which includes postage: http://www.elitextreme.com/htcto31ad.html
The pictures show what I was talking about...
Roz

Try here for genuine HTC accessories through Expansys HTC store, then click on your phone type in the left-hand column to list all accessories available for it.
http://www.expansys.com/htc/p_htc.aspx
Oooops! sorry Rudegar I missed your post for it already.

HTC 3 way adapter
No Expansis do not carry one. The link I left earlier does. I have mine now. It is exactly what I wanted. Cost me £12.95. Well worth it.

OK, so this is *almost* what I'm looking for:
http://www.expansys.com/htc/p_htc_item.aspx?i=147569
Does anyone know where to get an 11pin to 3.5mm adapter? One that *only* has a 3.5mm stereo output instead of having stereo+usb output?
Thanks.

http://www.expansys.com/p.aspx?i=151753

Rudegar said:
http://www.expansys.com/p.aspx?i=151753
Click to expand...
Click to collapse
Thanks for the find, but will it work even if it's for the TyTN and not specifically for the Touch?
And is it stereo as opposed to just mono?

i would asume that htc dont change the wireing of their miniusb connector flavour with each device it would serve no purpos and would cost alot for htc
i would asume that if stereo is in the miniusb connector when used for normal wired headset it would be using that converter
as it would serve no purpos for the converter to add the eletronics it would require to just take 1 channel and spit it in 2 without lowering the the volume to ½ because of the impedanc

extUSB extension Cable

Well, I've searched the forums and web and I can't seem to find a extUSB extension cable.
I found links for a male connector that requires soldering but there is no female connector to directly make an extension.
Does anyone one know where to locate a extUSB mini extension cable? I might end up having break out my old soldering iron otherwise.

I've never seen one...
There are the two male plugs on Sparkfun, but I haven't seen a female connector. Possibly pirate one from an old/broken phone on eBay?
Or, depending on what you're wanting to extend, get an adaptor (there's one on Amazon that this new user can't link to) and use a standard mini USB. But you'd lose some functionality, of course.

unless you really need to carry the audio then a normal usb extension cable would work just fine

Rudegar said:
unless you really need to carry the audio then a normal usb extension cable would work just fine
Click to expand...
Click to collapse
Actually, audio and power are what I am looking to extend. This is to have one cable going to my car cradle while keeping everything else tucked away. I just ordered a couple extUSB data sync cables and a couple 3 in one adaptors for cheap on eBay. I plan on cutting and splicing the two cables together and then shrink wrapping the joint.
Hopefully all goes well. If so, I'll post some pics and the info used in making them.
Paul

3in1 11 PIN ExtUSB Earphone Handsfree Adapter for HTC
Finally appeared on eBay what I was looking for a long time!!
I think that is the same that you are looking for!
http://cgi.ebay.com/3in1-11-PIN-Ext...AU_MobilePhoneAccessories&hash=item3cabfd9d0b
Now I will not have a lot of wires apparent in the dashboard of my car!
not yet tested, I just bought!

Please let us know how long the cable is - thanks

Hi guys.
I bought 2 of them.
I'm using thet extension on my car, but when I connect to the USB power jacket, audio is affected by an annoying drone noise...
Of course audio backs perfect unplugging the power cable...
How to fix this?
Thanks!

I so far have not received my extension! But it should be on the way, because I live in Brazil and the request is coming from China.
At the moment I use an HTC adapter (http://cgi.ebay.com/USB-Audio-Adapt...ewItem&pt=PDA_Accessories&hash=item27b1f6236b) and I also have the same audio problem when I'm charging my phone in the car. Sometimes it gets very loud and sometimes becomes very low distortion. I found that helps a lot if you leave the phone's volume low and increase the volume of your car sound. Sound distortion is less so.
Once I saw here in the forum someone recommending a audio filter but I can not find the thread that had the link, but basically that's what we need.
If you find a solution please post here!
When I get my extension I will test and post the results here too!

I also have that original HTC adapter, I bought it before.
With the adapter I have no noise, it's only difficult to raise 2 cable to the phone...
Otherwise, I think the filter is the only solution.
Could you try to remember any detail to search for it?
Check this: http://forum.xda-developers.com/archive/index.php/t-377996.html , it's exactly what we have to fix...

My extension just arrived! In this second!
Using the HTC adapter you do not have any noise? I have sometimes and sometimes not!
Anyway I think we need something like this:
http://www.amazon.com/Peripheral-PA...3?ie=UTF8&s=electronics&qid=1275345446&sr=1-3
http://www.amazon.com/Peripheral-PG...?ie=UTF8&s=electronics&qid=1275345446&sr=1-12
http://cgi.ebay.com/Ground-Loop-Iso...tem&pt=LH_DefaultDomain_0&hash=item19b5fbb244
http://cgi.ebay.com/PAC-Audio-SNI-1...tem&pt=LH_DefaultDomain_0&hash=item2c54bd2a89
Let's keep in touch until we solve it! I'll test my extension and post the result here.

HTC Desire - USB audio output possible

Hi Devs,
first of all, sorry for starting a new thread, but searched the forum and didn't find exactly that.
Like I've read, there is no audio over USB support built-in to our mighty Desire.
I tried a few different microUSB to 3.5mm jack adapters from ebay - even one declared as for HTC Desire. Checked the usb-pins-assignment also and it seems that HTC hasn't built in (or turned off) that function in opposite to some other manufacturers.
So will it be possible to write a rom or a kernel, that'll support that?
If it is possible, I would appreciate a few hints what I'll have to do, to get this thing working!
Thanks in advance!

Can I know why you need that? Is it for A/V out?

brianius said:
Hi Devs,
first of all, sorry for starting a new thread, but searched the forum and didn't find exactly that.
Like I've read, there is no audio over USB support built-in to our mighty Desire.
I tried a few different microUSB to 3.5mm jack adapters from ebay - even one declared as for HTC Desire. Checked the usb-pins-assignment also and it seems that HTC hasn't built in (or turned off) that function in opposite to some other manufacturers.
So will it be possible to write a rom or a kernel, that'll support that?
If it is possible, I would appreciate a few hints what I'll have to do, to get this thing working!
Thanks in advance!
Click to expand...
Click to collapse
Its not possible to send analog audio signal over the usb since its a standard usb plug. Only the old htc phones with extUSB had audio, but its was a bigger plug with more pins.
On that note i dont get why you want to get audio from there, when theres a nice 3.5mm jack socket on the top of the phone.

mr.r9 said:
Can I know why you need that? Is it for A/V out?
Click to expand...
Click to collapse
Thanks for your quick answers!
Yes, since there are no music docks for desire I built my own and it has to be possible, other phones with microUSB have that function - why not ours?
I know the old extUSB plug from my magic, there it is no problem. But there must be a way to get this working! I think it is only a software and/or driver issue.
If you'll get a music dock you'll have to plugin the phone + jack everytime? ? ? Look on ebay there are a few universal docks over microUSB, but not working for the nearly best and most sold android phone on market?
Pls give me some hints if there is a way to do that - everything is possible!
Sent from my HTC Desire

brianius said:
Pls give me some hints if there is a way to do that - everything is possible!
Sent from my HTC Desire
Click to expand...
Click to collapse
Umm, well not really. Because who says that the USB port of your phone is connected the right way internally to actually SEND data over the cable/dock.
I have no idea on how to do it. Thats just what I think, but with Android, a LOT is possible

prodygee said:
Umm, well not really. Because who says that the USB port of your phone is connected the right way internally to actually SEND data over the cable/dock.
I have no idea on how to do it. Thats just what I think, but with Android, a LOT is possible
Click to expand...
Click to collapse
YEAH IT IS!
On Nexus one they built in extra pins for docking and audio over that works like a charm.
I'm having a few adapters microUSB to 3.5mm jack for Motorola,Samsung,Nokia...phones from ebay, but not one reaction from Desire
Maybe the adapter for Desire needs a Digital-to-analog converter to get analog audio out of the microUSB port.
But no technical details over that from HTC - does anyone know more about the microUSB connections on our Desire? Tried to get a technical manual for Desire, but no chance on google...
If there is no other solution, I'll have to disassemble my expensive Desire to get a view on connections and maybe some hints which IC is managing the microUSB.
Does any dev know what would be possible by modding a kernel or rom?
Thanks in advance!

mr.r9 said:
Can I know why you need that? Is it for A/V out?
Click to expand...
Click to collapse
im also looking for something like this, though i want digital-audio out. for example in my car, plug and play so i get spotify from my usb to my stereo and able to control spotify from my stereo. there is no problem for this if you use iphone, though id like to be able to do it on my htc.
any solution?

Ability to stream out the audio through USB would be something nice to have.

There's a guide online on how to splice a USB and 3.5mm cable to the Apple USB cord so that you can charge and play audio on ipod accessories, as long as you don't mind having USB and audio plugged in at the same time. http://www.erwanmace.com/2012/07/ipod-dock-android/

Audio output AND charger using the micro-usb port

Hi,
I want to have only 1 plug to insert in the Samsung Galaxy S2 to have:
- Audio output
- AND power charging
This is possible by using the micro-usb port of the Samsung Galaxy S2.
This is how the official Samsung docks works: http://www.samsung.com/us/mobile/cell-phones-accessories/ECR-D1D3BEGSTA )
But I am not looking for a dock, I just want a cable ! (it is much more convenient than a dock)
This cable would be like this:
Code:
|---------> Audio output jack
Micro-USB <---|
|---------> Standard USB (type A)
Where can I buy such a cable ?
Regards, Chris

I guess you have to make one yourself. It shouldn't be too difficult.
You just have to solder a 365K resistor to the ID pin of the micro usb plug. Then solder The data pins and the ground pin to a 3.5mm socket. At last you need to solder the +5V pin and the ground pin to the USB plug.
I have to say I like the Idea of such a cable, I think i'm goibg to make one.

I got the official vehicle dock and the sound coming from the line out isn't so good compared to the headphone jack. I'm wondering if the components within the dock is to blame or the phone itself (kernel?)
If the OP does find a cable that does the job I'd be keen to know how it turns out.

wurzelsepp3 said:
I guess you have to make one yourself. It shouldn't be too difficult.
You just have to solder a 365K resistor to the ID pin of the micro usb plug. Then solder The data pins and the ground pin to a 3.5mm socket. At last you need to solder the +5V pin and the ground pin to the USB plug.
I have to say I like the Idea of such a cable, I think i'm goibg to make one.
Click to expand...
Click to collapse
I am very surprised, no one is manufacturing such a cable. I am sure there is a big business for it.
I have never soldered anything. It is possible to make 2, one for me as well ? I would be very happy! I am based in Paris.
bricked_tab said:
I got the official vehicle dock and the sound coming from the line out isn't so good compared to the headphone jack. I'm wondering if the components within the dock is to blame or the phone itself (kernel?)
If the OP does find a cable that does the job I'd be keen to know how it turns out.
Click to expand...
Click to collapse
The quality should be good, as Samsung is selling a docking stations to output the sound on a hifi system. Bad sound quality is not noticeable on basic headphones, but on a hifi system that would be catastrophic (so Samsung would not sell docking stations).

bricked_tab said:
I got the official vehicle dock and the sound coming from the line out isn't so good compared to the headphone jack. I'm wondering if the components within the dock is to blame or the phone itself (kernel?)
If the OP does find a cable that does the job I'd be keen to know how it turns out.
Click to expand...
Click to collapse
You need an amp to improve the sound from the line out since it is unfiltered and not treated through the phone's yamaha pre amp.

chiefroastbeef said:
You need an amp to improve the sound from the line out since it is unfiltered and not treated through the phone's yamaha pre amp.
Click to expand...
Click to collapse
Thanks a million chiefroastbeef! Luckily I have a cmoy amp and man did it make a difference. I'm keeping this post short because I don't want to hijack the thread any further so thanks again chiefroastbeef

bricked_tab said:
Thanks a million chiefroastbeef! Luckily I have a cmoy amp and man did it make a difference. I'm keeping this post short because I don't want to hijack the thread any further so thanks again chiefroastbeef
Click to expand...
Click to collapse
Ahh, the cmoy, very cool headphone amp. I have a DIY AMB mini3 with an Alien dac connected to my computer. Now with the info from this thread, I really want line out! Though I must admit, 2.3.5 with poweramp sounds really good.

Ok the Cable is finished, when plugging the cable in the phone automatically enters dock mode and outputs audio via the micro-USB port.
Quality is OK I guess (I will compare it to the quality of the 3.5mm headphone-jack output), but keep in mind that I'm not an audiophile .
The build quality of my cable is not great, but it was more or less just a proof of concept.

wurzelsepp3 said:
Ok the Cable is finished, when plugging the cable in the phone automatically enters dock mode and outputs audio via the micro-USB port.
Quality is OK I guess (I will compare it to the quality of the 3.5mm headphone-jack output), but keep in mind that I'm not an audiophile .
The build quality of my cable is not great, but it was more or less just a proof of concept.
Click to expand...
Click to collapse
That looks very promising, thank you for sharing!
Keep in mind, line out is unfilter, unamp audio output, so the sound will sound a bit bland. One must plug an amp into it to "color" the sound.

Good on you, wurzelsepp3. As for the audio quality between the headphone jack and line out I'm pretty sure you'll notice it but it shouldn't be a problem if you just want the functionality.
I just tested the cmoy amp in my car and it sounds good now.

wurzelsepp3 said:
Ok the Cable is finished, when plugging the cable in the phone automatically enters dock mode and outputs audio via the micro-USB port.
Quality is OK I guess (I will compare it to the quality of the 3.5mm headphone-jack output), but keep in mind that I'm not an audiophile .
The build quality of my cable is not great, but it was more or less just a proof of concept.
Click to expand...
Click to collapse
Excellent !!
I need such a cable too !
Can you post how you built it ? I am not good at electronics.
I guess you have taken:
- a USB (type A) cable
- a jack cable
- and a micro-USB
and then cut all of them to just keep the plugs. But then how did you joined the different cables together and how did you installed the resistor ?

wurzelsepp3 said:
Ok the Cable is finished, when plugging the cable in the phone automatically enters dock mode and outputs audio via the micro-USB port.
Quality is OK I guess (I will compare it to the quality of the 3.5mm headphone-jack output), but keep in mind that I'm not an audiophile .
The build quality of my cable is not great, but it was more or less just a proof of concept.
Click to expand...
Click to collapse
Hai wurzelsepp3,
I like your cable could you please post more photos of cable end pins and give more details of connection diagram, it will help us to make one.
Thanks n advance

wurzelsepp3, can you send the description of you cable.
Regards

I made a little paint drawing to show the wiring I hope it helps.
I will try to answer any questions .

Thanks for Image
Hi wurzelsepp3,
Thanks for your Sketch, please confirm whether it is same for car dock mode and desktop mode only by change of resister value and please confirm following my comments
1) Is it possible to charge the phone as per your sketch through PC usb port and via car charger out.
2) Is it possible to hear songs from stereo socket out through stereo headphone.
3) Is it possible to connected car audio system/external sound system because i saw another link like this
http://forum.xda-developers.com/archive/index.php/t-1249775.html
http://imghostr.me/images/5p7yC.jpg
http://imghostr.me/images/gs7Sp.jpg
http://imghostr.me/images/geac.jpg
Thanks n regards
Safeed
wurzelsepp3 said:
I made a little paint drawing to show the wiring I hope it helps.
I will try to answer any questions .
Click to expand...
Click to collapse

safeed said:
Hi wurzelsepp3,
Thanks for your Sketch, please confirm whether it is same for car dock mode and desktop mode only by change of resister value and please confirm following my comments
1) Is it possible to charge the phone as per your sketch through PC usb port and via car charger out.
2) Is it possible to hear songs from stereo socket out through stereo headphone.
3) Is it possible to connected car audio system/external sound system because i saw another link like this
Click to expand...
Click to collapse
Yes the only difference between car and desk-dock mode is the resistor value.
1) Yes the USB-plugs only purpose in this setup is to supply power, so any charger will do the job
2) Yes, but you have to keep in mind that the sund coming out of the micro usb port isn't amplified, so sound quality and volume are rather low, so you might wanna use an external headphone amplifier
3) Yes, as car and external audio systems have a amplifier it should work quite well.

Would something like this work?
http://www.ebay.com/itm/Samsung-ET-AUM3SBEBXAR-micro-USB-3-5mm-Male-Line-In-/250956064170?_trksid=p3286.m7&_trkparms=algo%3DLVI%26itu%3DUCI%26otn%3D3%26po%3DLVI%26ps%3D63%26clkid%3D5051243939125627988

i will have 3 cables to sell on here for $25 by the end of the week. Let me know if people want them

Docking Station
Finally I made my own style 3 in 1 Dock station, includes Car dock, Home dock and auxiliary audio out with the help of selector switch. Conversion of car dock to home dock by sliding the selector switch,also possible to charge the phone from home or Car dock mode. Auxiliary audio sound is nice to hear and All items compacted in small case.
Thanks for all, to give me such idea and sketches.

Are all the micro-USB to 3.5mm jack you find on eBay the same? Do they have the same pinout/resistance required for use on the SGS2?

[Q] AV output?

I need to find a way to output video to AV input so i can connect my note 2, to my stereo in my car any clue how i can do this?

Just use a Left Right channel to 3.5mm wire...
EDIT: Oh... For video I think we only support HDMI but there might be a dongle you could buy..
Sent from my SPH-L900 using xda premium

You'll need to output hdmi via mhl, then use a hdmi > AV adapter to connect to the radio.
☆SoA: Son's of Android™☆
I like to break stuff!

What Evil said ^^^^
Sent from my SPH-L900

Thanks for the help all the hdmi > AV adapters i cant find have to be powered anyone know of any that dont need power or i can power from a usb maybe? thanks.

vwgti18 said:
Thanks for the help all the hdmi > AV adapters i cant find have to be powered anyone know of any that dont need power or i can power from a usb maybe? thanks.
Click to expand...
Click to collapse
Best thing to do is buy an AC> DC power inverter for your vehicle. I use one to charge my note 2. They turn the 12v cigg lighter into a 120v wall outlet.
☆SoA: Son's of Android™☆
I like to break stuff!

This is one thing that sucks on newer devices. I remember on my HTC Touch Pro and TP2 you could just plug into your deck using the rca inputs. It was nice to be able to play stuff off your phone directly to the monitor.
Plus because I kept the cables in my car, it was easy to take in a house and plug in and play videos and pictures. I did this all the time for my Grams, to show her my little ones. She was never into newer HD tv's lol. Oh well, I'm sure HDMI connections will be really available on decks before you know it.
Sent from my Mackafied Sprint Galaxy Note II using XDA Premium.

KB112 said:
This is one thing that sucks on newer devices. I remember on my HTC Touch Pro and TP2 you could just plug into your deck using the rca inputs. It was nice to be able to play stuff off your phone directly to the monitor.
Plus because I kept the cables in my car, it was easy to take in a house and plug in and play videos and pictures. I did this all the time for my Grams, to show her my little ones. She was never into newer HD tv's lol. Oh well, I'm sure HDMI connections will be really available on decks before you know it.
Sent from my Mackafied Sprint Galaxy Note II using XDA Premium.
Click to expand...
Click to collapse
A lot of the new decks already have hdmi pigtails in the back or hdmi ports in the front.
☆SoA: Son's of Android™☆
I like to break stuff!

-EViL-KoNCEPTz- said:
A lot of the new decks already have hdmi pigtails in the back or hdmi ports in the front.
☆SoA: Son's of Android™☆
I like to break stuff!
Click to expand...
Click to collapse
Yeah I have seen some, but I mean it's not quite mainstream yet. At least not enough for me to switch out decks! Lol
Sent from my Mackafied Sprint Galaxy Note II using XDA Premium.

vwgti18 said:
I need to find a way to output video to AV input so i can connect my note 2, to my stereo in my car any clue how i can do this?
Click to expand...
Click to collapse
You can find plenty of HDMI to RCA adapters on the internet. The problem is that HDMI is a digital signal, and RCA is analog. And from your picture, your device is looking for an analog signal. Hence, you need to get something to convert the HDMI signal into an Analog one. They exist, but are not cheap. The cheap ones, not used, are $200. Require a power source. And we haven't even touched is the phone's video output going to be accepted by the stereo's video input. If the video output doesn't match--resolution and refresh rate--you're not going to have a picture. On PCs, you can these settings in the video control center or use special applications. For Android, I don't think they exists because the TVs with HDMI are new enough that a designed to accept the video phones are putting out; the phone are also designed to output video HDTV will accept.
Never mind you'll still need some kind of car charger to power the HML adapter. In my experience, using your phone and HML, will drain your battery, although slower because it doesn't need all the 2.0mha the charger puts out, but doesn't give the phone enough power to maintain it's current charge status.
The other issue, it's hard to find converters for HDMI to composite RCA. Not many people are in demand for them since a lot of the old TVs that only had those inputs are gone. They exists though.
That all said, my question would be exactly what applicaitons or tasks are you trying to don on your GN2 though your car deck? If it's just play music or audio into it, If so, then just get a 3.5mm to RCA cable. They can be purchased for a couple dollars. Here's a link for Monoprice.com: http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10218. Just make sure you get a male to male version. There are options as well, depending your car deck. If it has a casette deck, you can get 3.5mm caasette adapter. If you want more robust, you can get a 3.5mm FM car cigarette transmitter such as Coby CA 745; the problem is you need to have a clear FM station, which can change depending on your geographical location. I like that model because you can change FM to be used, and has cigarette charge port. The benefit, you're not dependent on the car having any kind of audio output ports, or cassette player.
If you're wanting to play video, ie use the mirroring function of the phone, I'm thinking you be much better served with a newer car deck that can support HDMI video in. Heck, depending on the screensize of you deck, it may be better just to get a car dock for the GN2 and just send the audio through your car stereo. Another alternative, use the Wifi hotspot function of the GN2 and use a tablet. I'm not saying I've ever used the GN2 to use Google Navigation and my 10" tablet to have NHL Center Ice going while driving to a meeting an hour away, but you can see how it can be done:
I've seen some pretty creative mounting methods use with the Nexus 7.
Hopefully this was helpful

lovekeiiy said:
You can find plenty of HDMI to RCA adapters on the internet. The problem is that HDMI is a digital signal, and RCA is analog. And from your picture, your device is looking for an analog signal. Hence, you need to get something to convert the HDMI signal into an Analog one. They exist, but are not cheap. The cheap ones, not used, are $200. Require a power source. And we haven't even touched is the phone's video output going to be accepted by the stereo's video input. If the video output doesn't match--resolution and refresh rate--you're not going to have a picture. On PCs, you can these settings in the video control center or use special applications. For Android, I don't think they exists because the TVs with HDMI are new enough that a designed to accept the video phones are putting out; the phone are also designed to output video HDTV will accept.
Never mind you'll still need some kind of car charger to power the HML adapter. In my experience, using your phone and HML, will drain your battery, although slower because it doesn't need all the 2.0mha the charger puts out, but doesn't give the phone enough power to maintain it's current charge status.
The other issue, it's hard to find converters for HDMI to composite RCA. Not many people are in demand for them since a lot of the old TVs that only had those inputs are gone. They exists though.
That all said, my question would be exactly what applicaitons or tasks are you trying to don on your GN2 though your car deck? If it's just play music or audio into it, If so, then just get a 3.5mm to RCA cable. They can be purchased for a couple dollars. Here's a link for Monoprice.com: http://www.monoprice.com/products/subdepartment.asp?c_id=102&cp_id=10218. Just make sure you get a male to male version. There are options as well, depending your car deck. If it has a casette deck, you can get 3.5mm caasette adapter. If you want more robust, you can get a 3.5mm FM car cigarette transmitter such as Coby CA 745; the problem is you need to have a clear FM station, which can change depending on your geographical location. I like that model because you can change FM to be used, and has cigarette charge port. The benefit, you're not dependent on the car having any kind of audio output ports, or cassette player.
If you're wanting to play video, ie use the mirroring function of the phone, I'm thinking you be much better served with a newer car deck that can support HDMI video in. Heck, depending on the screensize of you deck, it may be better just to get a car dock for the GN2 and just send the audio through your car stereo. Another alternative, use the Wifi hotspot function of the GN2 and use a tablet. I'm not saying I've ever used the GN2 to use Google Navigation and my 10" tablet to have NHL Center Ice going while driving to a meeting an hour away, but you can see how it can be done:
I've seen some pretty creative mounting methods use with the Nexus 7.
Hopefully this was helpful
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Yea thanks for your input. I was just about to order this http://www.amazon.com/gp/offer-list...l?ie=UTF8&colid=&coliid=&me=&qid=&seller=&sr=
and this
http://www.amazon.com/gp/product/B00A9H30LU/ref=oh_details_o00_s00_i00?ie=UTF8&psc=1
and see if i can get it to work but after u said all that idk if i really want to risk spending the $50 what do u think?
As for buying a new deck thats out of the question i just got the new late 2012 model JVC.
I already do music. I wanted video so i can play movies and play youtube but mostly wanted my google maps to show on the big screen so i could just tuck my phone away.

The HML cable is a decent price. You may it to be useful for showing off pictures or videos at home or at friends' on the TV rather than the phone. I see the cable still being useful if what your propose doesn't work out.
I can't so for certain if it's going work. It looks promising. I like the Eleckcity has 60 positive reviews (4 or 5 stars) out of 78. Fifty dollars isn't a bad cost. I would just check the return the policy. I would write Eleckcity and ask about returns if they product doesn't work or as expected. Also, there is a review who used it in a similar manner that you're trying to do. I would definity write that person to find out more details on the headunit and so forth.
The only thing I would be weary about is powering the Eleckcity. Since it doesn't have it's own powersouce, it's going to draw it's power from the USB. I don't know for certain, but I don't believe the USB power on the GN2 sends out power. If it does, I don't think it's much. It's only used the OTG USB cable with items that had their power. And the MHL has as power supply. If it doesn't power it, I think a simple USB powerhub could do the trick. I'm sure there is probably some kind of cigarette car adapter usb hub that could found or the like.
I understand the goal. I don't know how much effect and cost is worth it for you to how often you would use the maps and video features on your deck's screen. In looking at some of the JVC multimedia head units, screen size isn't very larger since they range 6.1" to 7". So I put eh screen size as negligible factor, by my standards. Obviously, use the headunit's screen would be more elegant look, espically compared to having three windowshield/dashboard car docks, a 150W USB cigarette car power inverter, and cables hanging in from of the dash; one is the for the satellite radio. Then again, I only need that stuff about once every six months. So, maybe a simple dock such as iOttie or Clingo may work well with a car charger for phone if you only plan to use it say, once a month or less. T
The last paragraph is just proposed plan B and C, and so forth.