Px5 car radio -usb port is active after power off radio. - MTCD Android Head Units Q&A

Hello. I have Eunavi car radio with USB port on rear side. To this radio is connected DVR camera. I noticed that camera is recording event if radio is powered off (defacto it is sleeping or is hibernated - I don't know). After two days od standing car's battery had discharged. Is there any possibility to set USB port to off stare in mentioned situation?

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GPS-signal when TV-out and power connected

Hello,
I use my Diamond Pro as GPS-device in my car, connected to a motorized-screen in my dashboard (Info : Volvo S60) via a TV-out cable.
Everything works fine (a little to bright the image, but hey...) BUT...
When I connect the powercable at the side of the TV-OUT-cable, I lose my GPS reception. 10 seconds reception, 5 minutes nothing, 10 seconds reception, 5... (you get the point)
Any idea ?
Greetzzz,
Jochen
PS : I use a legal Navigon Mobile Navigator 7 (start GPS-test first, then MN7)
Is it possible the power cable's power feed is carrying EM interference that could be blocking GPS reception? Do you expierience same issue with power cable plugged into AC outlet vs. car source?
Never tested the GPS with AC-power.
I'll try this evening.
This could be a huge negative for me as I was almost successful installing an aux video in for my nav... I want to replace my software nav with the phones TT7.
Just to add.. When I use my phone for aux in for audio I need to have the phone plugged into the charger for the headphone to trigger on the phone.. I am really ticked at how the USB is used for everything, but has these little quirky side effects.

4.1.1 update - email and charging issues

Hi all. So, my One S (Orange UK) just upgraded to 4.1.1, and I've been having some issues since and I wondered if anyone else experienced them.
Charging. My Belkin car charger now reports as "Charging USB", not "Charging AC", and so is only pulling 500ma. Tried on two separate chargers, same effect. They still report as AC to other Android devices.
Bluetooth: My car bluetooth stereo has always insisted on connecting as Bluetooth Audio, even though it only supports Headset. But now it will only play through the headphone while connected to bluetooth if I plug it in _after_ the bluetooth connects. This is a PITA as I typically stick the phone in the cradle and plug in the jack then let the bluetooth connect as I drive off.
Email: The Discard option seems to have disappeared when composing emails. Same for the Display Images option on HTML emails.
Lock screen PIN: Lost haptic feedback? This might just be me not being able to find the option though.
These are all relatively minor niggles, except for the first one which means that I can't rely on my phone to charge in the car while using TomTom, but niggling all the same. For what has been a rock solid device until now I'm very disappointed. Is it possible to go back to an older ROM?

Enonon G2110 with android 4.2 double DIN car stereo

I have an Enonon G2110 with android 4.2. It has RK3066 1.6Ghz cortex A9 Dual core, DDR3 1GB. I am overall happy with the unit but I do have a couple questions for you all with this stereo.
1, The SWC controls randomly stop working and will stay not working until I reboot the unit. It is hooked up using the SWC1 wire through the SWC board on my steering wheel and hooked back to ground. It is the resistance type where every button has a different resistance. It programs correctly in the SWC program on the unit. I also have the canbus set to none in the "factory settings" area.
Any fix for this?
2, Bluetooth. When connected to my phone (LG G3) and making or receiving a phone call, the volume is super low through the unit. I have the unit hooked up using RCAs only through an amp in my car. The bluetooth connection for music works fine and is the correct volume. Is there anyway to turn up this volume on the unit? Or another program for bluetooth connection?
Also I can't get my PLX devices bluetooth KIWI to connect to this unit. I have the program TORQUE to obd2 monitoring. Not sure if its just an issue with the bluetooth program or something I am missing. The KIWI connects and works fine on my G3.
3, Screen flicker. My car has auto headlights. I have the headlight input wire hooked to the unit to change the brightness depending on day/night. When it switches modes from day to night the screen flickers for about 3 seconds. Is this normal? Any fix for this?
4, Google services stopped error. If i happen to kill the car and have to restart the engine, the unit says shutting down and the screen turns off for a moment and then back on. When it comes back on the error "google services has stopped" and I hit OK. Is there away around this? (besides not killing the car of course) It's not a big issue or anything but its something I have noticed.
I tired asking these questions on someones post but it got lost in the shuffle. Any help with this would be greatly appreciated!

Bluetooth device to only let my phone know I'm in the car?

I want to find a way for my phone to automatically know when I turn on or off my car while I'm in it. I will use tasker to turn on and off my mobile hotspot when I'm in the car, so my echo dot ,connected to aux-in, can play music.
tl;dnr: looking for a usb-powered-only bluetooth device that can connect to phones and doesn't involve the aux-in of my car audio. eg: usb-powered bluetooth speaker/speakerphone/input-device.
Click to expand...
Click to collapse
My car doesn't have bluetooth, so I have been looking for some sort of bluetooth device that will turn on and off with the car.
I don't want to use any type of bluetooth receiver since:
I'm already using my aux-in for my echo.
FM transmitter is also out since I'm switched to aux-in.
If I have the bluetooth receiver audio go nowhere, then I won't be able to hear my phone's GPS navigation.
I thought about bluetooth hands-free calling speakerphone devices, but the ones I've seen all use batteries, meaning it'll not turn off immediately when I turn off my car and will also probably need me to manually turn them on when I start my car. Anyone seen a batteryless version?
Are there any other bluetooth devices that run purely off usb power or off the car charger port?
I just tried the nonda zua smart charger that is suppose to connect to your phone when you turn it on. Only problem is that despite it showing up in the bluetooth device list, it doesn't seem to be a device that you can normally connect to. You have to install their app and the app somehow connects to it, even though the phone's bluetooth icon shows no active connections. Maybe the phone will only show a connection to devices it has supported profiles for. I can't even get tasker or android's smart lock to sense that the device is near.
Anything else out there? Is there a bluetooth input device that runs purely on usb? I have a selfie stick with a usb component that charges over usb and has an on/off switch, and I'm tempted to test if I can power it with the internal battery and have it turn on automatically when power is supplied. But I don't want to break my only selfie stick yet.
I suppose I can pair some usb-powered speakers to a bluetooth receiver so that I hear my phone over the speakers. Any recommendations? Of course, the speakers must not have batteries.
Found this:
It's actually a bluetooth speaker that doesn't have a battery. No idea if it will auto-pair when usb power is on or if the lamp can be turned off.
Can't you use an NFC tag on your car mount? When you mount your phone it hits the NFC tag and since you use Tasker you can set it to do what you want when you touch the NFC tag.
Sent from my Pixel XL using Tapatalk
biggiestuff said:
Can't you use an NFC tag on your car mount? When you mount your phone it hits the NFC tag and since you use Tasker you can set it to do what you want when you touch the NFC tag.
Click to expand...
Click to collapse
I may not always mount my phone and it may just stay in my pocket. And I would need to remember to hit the NFC again when I leave my car to 'automatically' turn off the hotspot. I also sometimes forget to take my phone with me and was going to have the phone alert me when the car is off.
badbob001 said:
I may not always mount my phone and it may just stay in my pocket. And I would need to remember to hit the NFC again when I leave my car to 'automatically' turn off the hotspot. I also sometimes forget to take my phone with me and was going to have the phone alert me when the car is off.
Click to expand...
Click to collapse
How about an obdii car adapter? No audio and you get vehicle stats
Sent from my Pixel 2 XL using Tapatalk
biggiestuff said:
How about an obdii car adapter? No audio and you get vehicle stats
Click to expand...
Click to collapse
I'll look into that. I need it automatically connect to my phone without the need to install an app. I don't want to face the same issue as with the nonda car charger, which requires the app to be running constantly to connect and it somehow can connect without android showing a bluetooth connection to it.
I've decided against obdii adapter because I am unsure if android has a built-in profile to automatically connect to it without the aid of a third party app to constantly monitor bluetooth. And they are rather expensive, especially for the ones that are smart enough to go to sleep and not constantly be powered on and drain the car's battery.
There are some speakerphone adapters that don't use batteries so I'm going to try one of them and connect them to usb-powered speakers. Going from a Nexus 6P to a Pixel XL, I'm finding the speakers are now rather weak and adding external speakers will help with GPS navigation.
It seems to me the easiest thing to do would be to upgrade your car stereo. By the time you're done with all of these workarounds, it might be cheaper, too.
Either that or ditch the echo dot and use the phone to replace it's functionality. I'd go to an auto audio shop and see if they could install an ignition switch controlled power source running a proper Bluetooth to aux adapter and compare that to the cost of a new head unit.
badbob001 said:
I want to find a way for my phone to automatically know when I turn on or off my car while I'm in it. I will use tasker to turn on and off my mobile hotspot when I'm in the car, so my echo dot ,connected to aux-in, can play music.
My car doesn't have bluetooth, so I have been looking for some sort of bluetooth device that will turn on and off with the car.
I don't want to use any type of bluetooth receiver since:
I'm already using my aux-in for my echo.
FM transmitter is also out since I'm switched to aux-in.
If I have the bluetooth receiver audio go nowhere, then I won't be able to hear my phone's GPS navigation.
I thought about bluetooth hands-free calling speakerphone devices, but the ones I've seen all use batteries, meaning it'll not turn off immediately when I turn off my car and will also probably need me to manually turn them on when I start my car. Anyone seen a batteryless version?
Are there any other bluetooth devices that run purely off usb power or off the car charger port?
I just tried the nonda zua smart charger that is suppose to connect to your phone when you turn it on. Only problem is that despite it showing up in the bluetooth device list, it doesn't seem to be a device that you can normally connect to. You have to install their app and the app somehow connects to it, even though the phone's bluetooth icon shows no active connections. Maybe the phone will only show a connection to devices it has supported profiles for. I can't even get tasker or android's smart lock to sense that the device is near.
Anything else out there? Is there a bluetooth input device that runs purely on usb? I have a selfie stick with a usb component that charges over usb and has an on/off switch, and I'm tempted to test if I can power it with the internal battery and have it turn on automatically when power is supplied. But I don't want to break my only selfie stick yet.
I suppose I can pair some usb-powered speakers to a bluetooth receiver so that I hear my phone over the speakers. Any recommendations? Of course, the speakers must not have batteries.
Click to expand...
Click to collapse
I used to use a Bluetooth ODB2 adapter (and Tasker) for this exact purpose.
Sent from my Pixel XL using Tapatalk
Weudel said:
It seems to me the easiest thing to do would be to upgrade your car stereo. By the time you're done with all of these workarounds, it might be cheaper, too.
Click to expand...
Click to collapse
W
This guy has the right idea, get an android auto head unit.
Weudel said:
It seems to me the easiest thing to do would be to upgrade your car stereo. By the time you're done with all of these workarounds, it might be cheaper, too.
Click to expand...
Click to collapse
Do they make car stereo units that can mix multiple sources like aux-in and bluetooth?
I've had a cheap ODBII scanner in multiple cars for years and never had a battery drain issue. I honestly can't remember if my phone auto connects to it or not, last time I tried to read from it I couldn't because the latest Android beta update broke the connection.
badbob001 said:
Do they make car stereo units that can mix multiple sources like aux-in and bluetooth?
Click to expand...
Click to collapse
You're missing the point, android auto will do your music and satnav prompts over usb. No need for the echo dot at all.
Rockford fosgate "rfbtaux" cheap reliable and will do what you need
You can use an OBDII adapter for detection
https://play.google.com/store/apps/details?id=com.kanetik.bluetooth_profile_condition&hl=en
You can set the condition to activate your task when its near the adapter
https://play.google.com/store/apps/details?id=com.kanetik.movement_detection&hl=en
I just learned they also have this app that should bypass the need for the hardware.
These apps are not free, $1.49 each. I can vouch for the bluetooth detection app, might try the movement one.
I bought this for my car and it turns on when there is no key in the ignition and off automatically when the key is pulled out.
https://www.amazon.com/gp/product/B009OBCAW2/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1

Bluetooth disconnection during calls - new Mazda 3

Hello everyone!
I noticed that during conversations with the car speakerphone, the bluetooth disconnects sporadically, forcing me to use the phone with my hands.
Same problem also found when connecting the phone to the car via cable to use Android Auto.
Any solution other than "Amazon returns"?
Try disabling all power management for starters.
No issues with the new CX-5 radio... As mentioned - check the power management. Theoretically, it could be some RF jamming / noise caused by your appliances or outdoor devices - have you noticed the places where the disconnects had happened?

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