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

  1. #1021
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    Quote Originally Posted by miraclemaker View Post
    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.
    Thanks for your input

    We did try a control knob but there is no place to fit it, our screen is almost squeeze in...see below:

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    We try to add a rolling knob on the left side but no success, because the space is too tie

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  2. #1022
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    Quote Originally Posted by miraclemaker View Post
    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.
    For the buttons, we will put just a mark with no other symbols. that is good for customize. what do you think

  3. #1023
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    Quote Originally Posted by ninja6o4 View Post
    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.




    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.
    Thanks for your reply

    Yes, we will try to make auto brightness adjustable in the OSD.

  4. #1024
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    Quote Originally Posted by Hdale85 View Post
    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.
    Yes, the dim by touch is disable now. Only the button will light up a little once you touch it

  5. #1025
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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 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.



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

    I will forward these ideas to our design team. before the design step is confirmed. everything is possible.

    SD card design for people want to check their photos from camera, also for MP3. USB for loading everything else.

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  7. #1027
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    Quote Originally Posted by Hdale85 View Post
    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.

    Right, the only way is put all the buttons in one side. I had forwarded this already. let`s see what I got reply

  8. #1028
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    Quote Originally Posted by that_kid View Post
    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.
    We thought about mini and micro SD before. the problem is, there are adapters for MINI or Micro SD to standard SD, but can not do the reverse way. That is why we keep the big one

    Same to the USB, if we change to mini USB port. Lot of people need to change their cables. We believe most cables come with cell phones or other equipments are FULL size USB.

  9. #1029
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    Quote Originally Posted by 8838.com View Post
    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.
    I mean the metal frame that holds the LCD panel and glass together, not the plastic case that everything is assembled into.

    It is probably beyond what you guys can engineer since you are taking an already-made LCD panel and putting it into your own enclosure, but I'm suggesting that the controller board be mounted directly to the metal casing which holds the LCD panel/glass assembly together.

    Or even better - simply offer an extension cable between the LCD panel and controller so the controller board can be mounted several inches away from the panel.

  10. #1030
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    Agree with Hdale85's idea of putting everything on one side to make room for the rotary encoder. Do we really need any hardware buttons when everything could be implemented in the frontend?

    Also agree with moving to mini or micro SD, does anyone ever use full size SD these days?

    Am loving the opportunity to help shape the design - thanks Derrick!
    Car news and wallpaper site: www.carfeed.net

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