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Thread: "Transflective" LCD panel with res touch+controler for $101+$36 S+H

  1. #1011
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    This project is looking great Derrick. I favour a 'cleaner' look so if the ports can be hidden away so much the better.

    I think for volume control a rotary knob would be much better rather than two separate buttons - if you look at OEM stereos I think the vast majority use a knob.

    Also the customisable buttons might be better off with more generic symbols on them, like 1, 2, 3.

    Thanks.
    Car news and wallpaper site: www.carfeed.net

  2. #1012
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    Quote Originally Posted by 8838.com View Post
    The problem is, if you can not reach the edge of the panel, what can you do?
    All CarPC front ends are designed for touch, so they have large buttons and avoid the edges for user input. For configuration/setup purposes, people will almost certainly have a mini-kb/mouse setup for that.


    Quote Originally Posted by 8838.com View Post
    here is the new design about the auto dims

    Once the headlight trigger (12V) get signal, it will auto reduce to 60% brightness. When you touch any button, it will temporary increase to full brightness. After your finger left the buttons, 2 secs, it will reduce back to 60%.

    any opinions?
    That's a great idea. It would also be nice if you could control the brightness via driver. This makes it possible that CarPC software could control the brightness as well. You also want to make 60% default, but let the user change it if they want 50% or 70% etc.

  3. #1013
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    Could change how much it dims with a jumper or set of dip switches.

    I still don't believe the screen dimming and going bright on touch is a good idea for night time driving.

  4. #1014
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    I'd prefer to have a rotary volume control with a mute function integrated (Push to Mute) or as a separate button but Derrick is facing space constraints in having a rotary volume control

    I guess it is a bit too late to suggest major changes but one of the options could be to have the screen pushed to one side and buttons on the other side instead of having buttons on both sides (as of now). This should liberate space for placing a rotary encoder which can perform multiple functions including volume control.

    Practically thinking, do we really need so many configurable hardware buttons? Cant we have as many buttons as we need on the front-end?

    EDIT: The picture of the Pio unit posted below by Hdale85 got me thinking. Anyone really needs/use a big SD card these days? Wouldn't a Micro-SDHC slot be more than enough? Personally I don't see a need for even that but I can imagine uses where people may find a Micro-SDHC slot handy.

    Also do we need USB slot as well as an SDHC slot? Isn't one of them enough? The main problem I see with USB slot is that it takes up lots of space and a USB Stick projecting out like a sore thumb will come in way of using screen edges and could also break the socket/frame if we accidentally knock the USB stick hard.

    I still don't believe the screen dimming and going bright on touch is a good idea for night time driving.
    +1 to ^...Please have it as a configurable menu item if at all someone wants that function.
    Last edited by DigitalVampire; 03-14-2012 at 10:28 AM.

  5. #1015
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    Probably not, could remove one or 2 of the buttons on the bottom left corner and throw the rotary encoder there, a small one like Pioneer uses.



    Of course this has a 6.1" screen.

  6. #1016
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    Here's a better example

  7. #1017
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    Looking back at the design, the only way I see making a rotary happen is to take the buttons off one side, and move them to the other side, and then just ditch the extra buttons. Or change them to go horizontal and a bit skinnier similar to that Valor I posted above. Then put the USB next to the SD and use one cover for both.


  8. #1018
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    Quote Originally Posted by DigitalVampire View Post
    I'd prefer to have a rotary volume control with a mute function integrated (Push to Mute) or as a separate button but Derrick is facing space constraints in having a rotary volume control

    I guess it is a bit too late to suggest major changes but one of the options could be to have the screen pushed to one side and buttons on the other side. This should liberate space for placing a rotary encoder which can perform multiple functions including volume control.

    Practically thinking, do we really need so many configurable buttons?

    EDIT: The picture of the Pio unit posted below by Hdale85 got me thinking. Anyone really needs/use a big SD card these days? Wouldn't a Micro-SDHC slot be more than enough? Personally I don't see a need for even that but I can imagine uses where people may find a Micro-SDHC slot handy.

    Also do we need USB slot as well as an SDHC slot? Isn't one of them enough? The main problem I see with USB slot is that it takes up lots of space and a USB Stick projecting out like a sore thumb will come in way of using screen edges and could also break the socket/frame if we accidentally knock the USB stick hard.



    +1 to ^...Please have it as a configurable menu item if at all someone wants that function.

    Personally I'd rather have push buttons instead of a rotary knob. With the current layout there doesn't seem to be much room to implement an affective sized rotary knob. I agree on the SD card slot, a micro or mini would be nice. Also instead of a regular sized USB slot maybe it can be replaced with a mini or micro USB. I'd rather keep the screen centered though.

  9. #1019
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    Quote Originally Posted by Hdale85 View Post
    Yeah, I've seen that but it has no mounting bracket for a headrest to make it look clean. Could even be a separate case all together that just has the mounting flange for headrest mounting sort of built into it. It's something I've been looking for and unable to find much other then the MiniTouch 700.
    I still don`t get your idea. is that possible you can get a photo? I will check out what we can do
    Any questions, please email to derrick.ny@gmail.com :)

  10. #1020
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    Quote Originally Posted by sebberry View Post
    Couple of questions:

    1) Does the capacitive screen have any sort of anti-glare/anti-reflection properties to it?

    2) What is the mounting like for the control board to the back of the LCD panel? I'm really interested in a screen where the mental frame encasing the LCD panels and glass also serves as a mounting base for the control board. Every other "bare" LCD I've played with has had really flimsy plastic mounting or <gasp> double stick tape.

    Thanks.
    Capacitive screen is like a glass. it does not have any anti-glare

    Yes, the board should be in the back of the panel.

    For the frame, you mean "metal", right? I think we will use plastic also because the cost.
    Any questions, please email to derrick.ny@gmail.com :)

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