Some Joying questions. Please help. - Android Head-Units

This is a Joying for a vw. Running android 8.
There is two usb connections at the back. Left and right.
The one marked 2.o (left one looking at the front) works with the DAB adapter and Zlink Apple car play. All is good.
Q1:
If i connect to the right usb the iphone then zlink wont connect. Why? (Im assuming its USB1.0) Can I use one of the zjinnova adapters to get carplay on this usb port?
Q2:
If i connect the DAB adapter to the right usb it works but the sound stutters enough for it to be annoying to listen to.
Anything i can do to help this? Im assuming its a data speed issue.
Q3:
Any tips on getting both DAB and Apple carplay to work?
Regards Kurt

Related

USB Front Port On Car Headunit compatible with Nexus S?

I was at the car stereo place and found nearly every headunit with a USB port in the front saying that it is compatible with an iPod or iPhone. Question is, have any of you guys tried hooking it up to a Android device? Does it charge? Will it fry my cellphone? I'm leaning towards a Kenwood headunit but just wondering if there are any precautions. Thank you
FastMhz said:
I was at the car stereo place and found nearly every headunit with a USB port in the front saying that it is compatible with an iPod or iPhone. Question is, have any of you guys tried hooking it up to a Android device? Does it charge? Will it fry my cellphone? I'm leaning towards a Kenwood headunit but just wondering if there are any precautions. Thank you
Click to expand...
Click to collapse
You should be fine. I doubt it would damage the phone as most smart phones have similar power requirements/charging methods these days. The iPhone's cables are just normal USB cables with a special plug on one end and an Apple logo so they can charge more. Most things labelled "For iPhone/iPod" work just fine on Android devices.
Anyone with a USB port on their headunit using a Android phone?
My Honda has a USB port for the stereo. It does not allow the me to use the phone to control audio through USB as this is not supported like it is on iPod (same with any Android phone, has nothing to do with Nexus S in particular) but it does work in Mass Storage Mode and allows me to control audio through the head unit.
All of this is moot anyway as the best solution is to use a car mount and connect through the 3.5m stereo out to the AUX input. I can then not only use Last.fm and Navigation sounds through the stereo, but also phone call audio gets passed through. It's pretty much awesome and makes me glad I did not spend the extra $1200 on the in dash GPS/touchscreen head unit with bluetooth.

Help with nexus 7 headunit

So I have been trawling around the Internet looking for the most cost efficient way to install my nexus 7 as a head unit.
Will this work?
What I want to do is fabricate a double din mount with a recessed single din. The nexus will sit in front of the single din headunit and be attached via low profile magnets. The tablet will charge from a wireless charging station. Behind the double din mount.
I will hid in the free space a usb hub with Bluetooth, dac I will extend one of the usb ports round in to my arm rest.
I will be using nfc to force tether my phone to my
Tablet.
I great at fabricating. But I'm very rusty at electronics and the working dynamics off how this will all work together.
I am assuming that the tablet will transfer and recieve data via bluetooth attached to the hub? (Is this possible).
Is there anything else I need?
P.s. I don't want to have to go down the line of purchasing and amp and want to use the orginal harness to transfer sound so that when I go to sell the car it's a easy swap out.
I hope this makes sense any help would be greatly appreciated
Regards

Head Unit not delivering enough Power…

Hey guys
So my headunit that I put inside my 2004 E46 does not support Apple CarPlay from the start.
The unit runs android (10)
I bought a adapter and tried to install the app that It comes with but nothing… no signal.
So the issue seams so be that there is not enough power coming out of the USB port from the headunit.
When I use a splitter and plug the end for power into the lighter usb charger and the data one into the usb dongle it works no problem but it looks ****ty …
Any way or any adapter that I can get this fixed with?

CarPlay only working when using the USB port on the back

So I got an aftermarket Chinese android head unit (this one!) which generally seems pretty good to me, however one issue I'm having is that for some reason, wired CarPlay only works if I use the USB port on the back side. The HU has 2 USB ports on the front. The front upper port is for charging only I think, since it has a charging icon next to it and also because if I connect using that, the HU doesn't detect anything. But if I use the front lower USB port and then open Zlink, a 'Connecting' message appears and after about 10 seconds I get the error: "link fail, try another usb port". If I connect using the back USB port however, CarPlay starts within seconds! But according to the manual, the back USB port is for the rear camera, which also came with my HU.
I also have an Android phone. I tried connecting that to the front lower USB port and I could use Android Auto. So the issue is only if I use CarPlay.
Is there any potential reason why CarPlay doesn't work when using the front lower USB port ? Is the HU potentially defective, or is this a software issue of some kind ?
My iPhone's iOS version is 15.0.1, if that matters. The Zlink version is 3.8.34, and it's an Android 10.1 HU.
bump. Any suggestions/comments ?
Your link does not work. Maybe you should provide a new one or provide the head unit description here.
TorstenH said:
Your link does not work. Maybe you should provide a new one or provide the head unit description here.
Click to expand...
Click to collapse
Link seems to be working for me, but you can also see the head unit if you search for this on Amazon.com: B09KH7VQ2N
It’s an Android 10.1 head unit.
ahmadka said:
Link seems to be working for me, but you can also see the head unit if you search for this on Amazon.com: B09KH7VQ2N
It’s an Android 10.1 head unit.
Click to expand...
Click to collapse
Be sure it's not Android 10. Most head units shows a faked version info and yours is to cheap to be to to date.
Does your car has an USB socket you could connect with the USB connection on the back of the head unit?

Joying 8.8" Unit USB Issue with CarLink

Hi all,
I'm having an issue with my Joying 8.8" Android Unit. The unit supports Android Auto using the pre-installed "CarLink 2.0" app.
I usually use Wireless Android Auto and it works just fine. However, the head unit does not have any buttons, neither does the steering wheel (Audi TT mk1). To solve this, I have added a USB volume dial (Digispark ATtiny85 paired with a rotary encoder) which I have used on another car running a eonon unit with ZLink where it works very well.
The problem is that, everytime I connect the volume knob to this unit's usb, CarLink seems to think it is a mobile phone, so it interrupts my wireless android auto session and attempts to connect to the usb volume dial. When this happens, the volume dial stops working. This only happens when the CarLink app is running.
Thinking this is an issue with the CarLink App, I tried to install ZLink instead, but It won't run due to "channel error". Do I have to install it as a system app?
Another possible solution: Is there a way to disable USB for CarLink?
Thank You
What did the reseller suggest when contacted for support? What else has been tried?
marchnz said:
What did the reseller suggest when contacted for support? What else has been tried?
Click to expand...
Click to collapse
I contacted Joying with no answer yet (It's the weekend, they might reply next week).
I tried using different USB ports, USB hubs, USB adapters, changing available configuration.
Interestingly enough, using USB A -> USB C -> USB A adapters made the knob continue working even after CarLink tries to connect to it, but still interrupts an ongoing Android Auto session.
I ended up figuring out the problem. Turns out that certain USB class/subclass identifiers are not properly handled by CarLink. Making the microcontroller report a different combination of usb class/subclass did the trick.
Interesting problem. I just installed a 9" Joying radio into my 2019 Honda Civic Hatchback EX, and I forgot I had an iPod plugged into the USB in the middle storage area. I could not get Wireless CarPlay to work reliably (if at all).
I know the radio does not talk to an iPod, so I moved all the music to an SSD drive on USB3 in the glove box. However, if the drive is connected, Wireless CarPlay will not connect unless I disable and re-enable Bluetooth and reconnect manually, but then it disconnects the USB hard drive.
I don't have the option of changing VID/PID values. I am waiting to hear back from Joying, but thought I would add this to the thread as it is somewhat related behavior with CarLink 2.0.

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