Hey everyone,
Been searching around for a decent Android head unit and stumbled upon these:
http://www.tradesolution.hk/e/ptxwebstore_product/1227.html
http://www.tradesolution.hk/e/ptxwebstore_product/1226.html
http://www.chinavasion.com/china/wholesale/Car_DVD_Players/Android_Car_DVD_Player/
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I'm interested in a single DIN unit so that the screen can be hidden away when I don't need it. Primary function would be to interface with my Megasquirt ECU and display necessary gauges for me via MSDroid or Shadow Dash.
Those above examples have dual core 1GHz A10 CPUs with 1GB RAM, running Android 4.0. Not too bad.
Does anyone have experience with these particular models? Or any other recommendations.
Something discrete or able to be easily tucked away is important, I have a very minimalist interior and would like to keep it that way.
Trying to find out if it has USB OTG or USB Host, planning to use a USB to Serial RS232 converter. I contacted TradeSolution and they said the head units don't support USB OTG or Host.
I know the units above use WiFi/3G USB dongles, and you can plug a USB hard drive to it. Doesn't that mean it does have OTG/Host functions?
Related
I Tryed few ROM's and Kernels and every one of those had same problem.
Every time i connect my phone to TV my WiFi just drops down to 10% of my speed.
If anyone have any idea how can i fix this PLEASE, I'm watching a lot of youtube videos and a lot of movies,series from my FTP File server at my home and i just can't whit 500Kbits ...
Here are some pics:
Normal
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Connected to TV ( via microUSB to HDMI)
Change channels on your wifi router. Keep trying different channels until you find one that works well for you. See this post I wrote some time ago for an explanation why it affects it.
^^ That's really wacko! Thanks for good explanation. It seem that the problem is mainly due to crappy MHL/HDMI shielding and unfortunate cable lengths...
Or possibly also because the MHL uses all 5 mUSB lines and thus perhaps one of these paths are crossing to close to the WiFi paths within your phone. This is not very surprising since:
1) the MHL chip is just on the other side of the DSP RF transceiver chip.
2) The MHL path have to travel across the entire PCB all the way down to the bottom connector and passing the Broadcom WiFi Bluetooth chip on the way there!
I made a discovery today. The cable which is used for e.g. sending apps between two TI-84 calculators does actually fit in the USB socket of my HTC Hero
When I connect the Hero to the TI-84 the Hero's little LED turns green for a second and the TI-84 actually boots. If I let the Hero be in sleep mode and I press the ON button on the calculator the Hero wakes up
I have found a document which describes parts of the TI-84 USB protocol here.
It would be really awesome to be able to communicate with the TI-84 from Android apps on the phone. I have never programmed an app which uses the USB before, but I know there is an API for doing it.
Can this be achieved in accessory mode or is host mode required? AFAIK the accessory mode requires the accessory (TI-84) to be using a special Android accessory USB protocol to work. Can someone confirm this?
Is any developer interested in this?
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(if this is in the wrong section please move it)
Hello
Wondering if I can ask some advice. I'm looking to start a car PC project soon based on Android, I will probably go with Android x86 Kitkat as I was previously but I guess something like this should be agnostic with many versions and devices.
I am looking to interface a graphical LCD, such as one of these:
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They are usually controlled over a serial connection which presumably wouldn't be an issue with a USB-Serial adapter (or even with Android x86, a physical serial port on the PC). So assuming connections are possible, are there any apps to display metadata like Now Playing songs etc on such a screen? Maybe even a small menu to change music etc? Even to display any data at all I'm thinking I may be able to adapt something to suit my needs.
On Linux/BSD, a program called LCDProc is a common choice for controlling such screens, is there anything similar available for Android? Obviously it wouldn't be the main screen on the device it would just be an accessory to display metadata and other info.
Any information pointing me in the right direction would be very much appreciated.
Hi
I think the best place to ask this this question is in the Android Q&A, Help & Troubleshooting section, so please stand by while we have your thread moved there.
Good luck!
Good Day,
I was wondering if Android 5.0 and above support OTG HDMI? or does it simply on the manufacturer side?
I have broken screen android quite good spec and I think the company doesn't have any more replacement for it because they're not that well-known, so I think it will be good for low budget office/research type computer replacement.
and I see a bunch of things like this
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Click to expand...
Click to collapse
please comment your thoughts, I'll gladly appreciate it.
Staire said:
Good Day,
I was wondering if Android 5.0 and above support OTG HDMI? or does it simply on the manufacturer side?
I have broken screen android quite good spec and I think the company doesn't have any more replacement for it because they're not that well-known, so I think it will be good for low budget office/research type computer replacement.
and I see a bunch of things like this
please comment your thoughts, I'll gladly appreciate it.
Click to expand...
Click to collapse
It's on the manufacturer's side.
Your device should have a component that will read OTG , search on internet if you're phone support OTG .
I hope your device will support it ,
Have a good day.
MXQ PRO 4K S905XX_V2.0
I got this one used, dead. Located the problem to be the transistor at the power plug and I can not find out what it is, pictures online don't get close enough. Anyone have one nearby that they could check? Might not matter if the board is exact but would help.
Shorting the pins it turns on and loads up, just don't want to bridge it.
The bottom one says 2 A and seems to be a transistor. The top blown one could be a tvs or zener diode judging by other tv box pics that I have been able to see.
Update. Luckily no one ever replied. I Tried various SOT-23 transistor looking chips out of a dish network box and found a winner. --- A05
So if your's pops, there you go.
Thanks
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I have a mini m8s ii that just gets hot but couldn't see any issues on the board. Thanks. Maybe I can check again. BTW which pins did you short to get it to boot?