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Thread: Basic questions about android as carcp

  1. #11
    Low Bitrate UniqelyCommon's Avatar
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    Quote Originally Posted by j1nx View Post
    all Android version are supposed to be phones. Why use a phone to connect to a phone?
    I take it you haven't seen http://android-x86.org/

  2. #12
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    A couple of days ago I decided I wanted to replace the head-unit in my 2005 Civic with a Galaxy Tab. I'm waiting for the new generation of Tabs to come out so that I can an older tab at a nice discount.. but, I figured I should do all my homework before I buy the tablet so that I'm ready to go once I do purchase the tablet. Most of my questions were answered in this thread but there was still one outstanding item that I would really appreciate some help on:

    * How will the tablet interface with the car speakers? I've done a little bit of reading on this and it sounds like I will need to install an amp? It would be super helpful if someone could point me to some detailed instructions on this or simply let me know what I should buy... I've been relatively happy with the sound quality in the car right now so I'm not looking to break the bank with a new amp. Also, is there some sort of equivalent of "line-out" for the tablet or should I control the volume from the tablet since the car will no longer have a volume dial?

    Thanks in advance.

  3. #13
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    I just bought a Nook Color for $200 which I promptly rooted and installed the latest stable build of CM7 on. I am planning on putting this in my double din bay on my dash. If you want an inexpensive tablet with most capabilities and great value for the price, the Nook Color after rooting and romming is your best bet.

    My biggest question right now is the power (but I think this thread helped me answer it with the AutomateIt app), and how to interface the audio.

    What I'm looking for is an amp that's good enough to keep my stock stereo sound quality in tact. I don't need anything fancy. I'm thinking 400w. I also want to minimize wiring hassle and put the amp right behind the Nook. I don't know if such a small amp like that is made anywhere, though.

    For connecting it, I'll be using a 3/8ths to RCA adapter.

    Anyone have thoughts about the amp?

  4. #14
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    I have the same basic setup with my streak 7 in a double din bezel, a little custom work was needed. For power I just used a cigarette lighter adapter and hardwired it to my stereo power using a stereo adapter harness. As for an amplifier I'm trying to find one myself, I would check out the alpine power pack and the lanzar mini amp, I cant remember the model. There us another one like it that is only sold in the uk.

    http://www.google.com/m/products/det...ed=0CCYQ8wIwBA

    http://www.google.com/m/products/det...ed=0CBUQ8wIwAA

  5. #15
    FLAC hexxamillion's Avatar
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    Quote Originally Posted by Evlo View Post
    I found a few other topics, but still feel the need to ask these questions here.

    I think that ideal implementation would be for android tablet as all on one while car stereo would be just volume control. So required functions for me would be: good music player, gps, handsfree phone.

    So here are my questions:
    1. how to use android tablet as bluetooth handsfree for my phone? Is it possible jet?
    2. is it possible to use my phone as access point for android tablet to internet at same time?
    3. how to make it power on and off with ignition? Power off should be preferably delayed with tabled running on battery for a few minutes.
    4. can it work with usb or bluetooth gps receivers?
    5. is it possible to use some launcher for carpc apps (navi, music, phone, ...) after start instead of android default desktop?

    1. how to use android tablet as bluetooth handsfree for my phone? Is it possible jet?- I think there is some confusion with this question but imma take a stab at it and assume you want to make calls from your tablet. This depends. For CDMA (Sprint/Verizon) this will not work....unless... you do what I did and setup a sip and ipkall account then integrate with your googlevoice account...VIOLA! I can make and receive calls with my Verizon Galaxy tab. More details here: http://forum.xda-developers.com/show....php?t=1150727

    2. is it possible to use my phone as access point for android tablet to internet at same time?- hmm... if you have a newer smartphone which these days can also serve as a mobile hotspot..why do you need an access point again?

    3. how to make it power on and off with ignition? Power off should be preferably delayed with tabled running on battery for a few minutes.- So here is my experience and thoughts on this. I think a new shift of design is required for these types of tasks and mobile devices. Also i don't believe should to be confused and subjected to the crazy complex ways of other "mainstream" carpc solutions (using mini-ITX mobo builds, etc). I can keep my tablet on for over three days and I have plenty of battery still left. This includes me using music, GPS, internet music streaming. I think that as long as you have a power source for charging your tab in your car (USB to Cigarette) then you should be good to go. I just take my tab inside with me for the night if I want or need to charge, but it holds a charge for quite a while and charges also in my car when mounted. But, not all tabs are created equal. Worse case you power your tab on as you are walking to you car and its all ready.

    4. can it work with usb or bluetooth gps receivers?- This depends...if you get a tablet through a mobile service such as verizon, sprint,etc then you can just use that because they have gps. If you get one of those very affordable ones from ebay, you have to really read the features because again not all android tabs are created equal..

    5. is it possible to use some launcher for carpc apps (navi, music, phone, ...) after start instead of android default desktop- Sure. Check out the market. There are a few to try out. Here is one for example: https://market.android.com/details?i...=search_result . The cool thing about android though is if you have the skill (and maybe you do not really need much) you can build your own app or launcher: http://appinventor.googlelabs.com/about/

    Whatever you decide I think these forums are the best ever and members will provide some awesome and intuitive ideas on solutions that may fit your requirements.
    "Live Free!!!...It's all about Open Source"
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  6. #16
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    Quote Originally Posted by ppcghost View Post
    A couple of days ago I decided I wanted to replace the head-unit in my 2005 Civic with a Galaxy Tab. I'm waiting for the new generation of Tabs to come out so that I can an older tab at a nice discount.. but, I figured I should do all my homework before I buy the tablet so that I'm ready to go once I do purchase the tablet. Most of my questions were answered in this thread but there was still one outstanding item that I would really appreciate some help on:

    * How will the tablet interface with the car speakers? I've done a little bit of reading on this and it sounds like I will need to install an amp? It would be super helpful if someone could point me to some detailed instructions on this or simply let me know what I should buy... I've been relatively happy with the sound quality in the car right now so I'm not looking to break the bank with a new amp. Also, is there some sort of equivalent of "line-out" for the tablet or should I control the volume from the tablet since the car will no longer have a volume dial?

    Thanks in advance.

    Not sure if you've got this answered yet, but I just installed the exact setup you are talking about in my '05 Honda Civic.

    1. Yes you must have an amp, you need this to power your speakers.
    2. I have, MRP-F300 - Alpine 4-Channel 300 Watt V-Power Series Amplifier - $140 on Amazon
    3. get a double din dash kit and a dremmel, cause it doesn't fit perfectly. I cut off all the tabs on the back of the double DIN dash kit so that I ended up with just a faceplate for the tab.
    4. glued the faceplate to the tab.
    5. you'll have to do some cutting / dremmelling on your dash once you take the front panel off your dash to get the tab to fit in correctly. The audio cable and power cable are tough to get to fit.
    6. Get a 1/8th inch cable that splits the connection to two RCA plugs - got mine from walmart - this will interface your mic out with the amp.
    7. On mine for power - I bought a 2 amp cig lighter charger, took it apart and ran it straight into the fuse box so mine is always powered on. set the display to go off after 30 minutes, also have a button on my homescreen to put the tab to sleep.
    8. when i turn my car on the tab automatically wakes up and is ready to go.

    Netflix works, navigation/maps, pandora, slacker, weather radar, gps speedometer, voice activated maps, navigation, etc.. the only thing im missing is handsfree calling. Looking into that now. I want to be able to push a button on my tab and have it make calls through my phone and output them to my car speakers and use the tab as a mic - voice works perfectly on the tab so shouldn't be an issue. PM me if you have questions. Mine works flawlessly.

  7. #17
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    Hello,
    Can anyone help me with the steps i have to make to set the tasker ?
    I want to integrate 7" tablet in my dashboard,will not longer have access to on/off button.
    How can i set the tasker to do like this:
    -start the display or tablet when i connect the charger
    -shut down the display or tablet after 1-2 min when I disconnect the charger
    Sorry for my bad english

  8. #18
    FLAC hexxamillion's Avatar
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    Quote Originally Posted by andy13 View Post
    Hello,
    Can anyone help me with the steps i have to make to set the tasker ?
    I want to integrate 7" tablet in my dashboard,will not longer have access to on/off button.
    How can i set the tasker to do like this:
    -start the display or tablet when i connect the charger
    -shut down the display or tablet after 1-2 min when I disconnect the charger
    Sorry for my bad english
    You can do all of that with tasker. However, you may want to include in your profile that after the display turns on to also increase the display timeout. I just keep mine plugged in. The charging on mine pauses anyways. Do you have a data plan at all?
    "Live Free!!!...It's all about Open Source"
    Current Proj:Android Mount in 2013 Altima
    Old Proj II
    Old Proj I
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  9. #19
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    Instead of trying to make a tablet fit into your car why don't you look at a single board computer such as a BeagleBoard or Freescale i.MX board?

    If you get one of the development boards they are very small. I can run different versions of Android, Linux or even WinCE (Although not sure why you want to). They are configurable and cheap.

    The board cost me $150 for this one. The Quad core boards currently are $300 but you can get them for $199 once they have had their mass release in October. Then you add a Touch screen and away you go.. Will end up costing about the same as a decent Tablet of comparible size and you will have MUCH more flexibility.

    I am using this slower ARM8 based i.MX53 board for my car and will be using a much faster i.MX6 quad core for my truck.
    Both will use standard 7" touch screens. These touch screens cost in the neighborhood of $150-$300 depending on the screen.
    A daylight viewable one is more like $1000 but not needed.

    I have 2 USB ports, 2 SD card slots, I can hook up as many as 3 different monitors, Has a SATA port and much more.
    The Freescale QUAD boards seem to be the fastest ARM based setups at this time. You can also get them with DDR3 Ram either up to 4gig or 8gig I forget.

    MUCH more flexibility and about the same cost.

    (Ps, did I mention there could be an Android version of Open Mobile in the future? Although the development package will cost about $400 to do so.. )
    But you can run Linux on these boards as well and be up and running with an older version of OpenMobile very quickly.

    Rodney

  10. #20
    FLAC hexxamillion's Avatar
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    Quote Originally Posted by redheadedrod View Post
    Instead of trying to make a tablet fit into your car why don't you look at a single board computer such as a BeagleBoard or Freescale i.MX board?

    If you get one of the development boards they are very small. I can run different versions of Android, Linux or even WinCE (Although not sure why you want to). They are configurable and cheap.

    The board cost me $150 for this one. The Quad core boards currently are $300 but you can get them for $199 once they have had their mass release in October. Then you add a Touch screen and away you go.. Will end up costing about the same as a decent Tablet of comparible size and you will have MUCH more flexibility.

    I am using this slower ARM8 based i.MX53 board for my car and will be using a much faster i.MX6 quad core for my truck.
    Both will use standard 7" touch screens. These touch screens cost in the neighborhood of $150-$300 depending on the screen.
    A daylight viewable one is more like $1000 but not needed.

    I have 2 USB ports, 2 SD card slots, I can hook up as many as 3 different monitors, Has a SATA port and much more.
    The Freescale QUAD boards seem to be the fastest ARM based setups at this time. You can also get them with DDR3 Ram either up to 4gig or 8gig I forget.

    MUCH more flexibility and about the same cost.

    (Ps, did I mention there could be an Android version of Open Mobile in the future? Although the development package will cost about $400 to do so.. )
    But you can run Linux on these boards as well and be up and running with an older version of OpenMobile very quickly.

    Rodney
    Thats another option. Just depends on what works best for your own requirments or usage. For me my tab was close to perfect fit with all in 1 for what I need.

    Sent from my SCH-I800 using Tapatalk 2
    "Live Free!!!...It's all about Open Source"
    Current Proj:Android Mount in 2013 Altima
    Old Proj II
    Old Proj I
    YouTube:Project Videos
    Homepage: HexxWorld.net
    Twitter:http://twitter.com/hexxamillion

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