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Thread: Half PDA/Half Desktop PC

  1. Re: Half PDA/Half Desktop PC

    I didn't mention how interested I was by the crystal solution though, I am on that link now and if I knew how to work my head around it it looks like the solution for me.

    I should also mention that as long as there isn't a LOT of C code to learn, it would be fine to do some small amounts of programming for hte microcontroller as long as I knew which direction I was heading. It's only going to add to my marks for this particular university assignment isn't it?

    Thanks again

  2. #32
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    Re: Half PDA/Half Desktop PC

    'Cause no consumer wants a 3.5" VGA touchscreen monitor on their desktop. When you go buy one in the shop, the microcontroller work is already done for you. Like the 7" one I linked. If you could survive with a 7", you'd be done already.
    I Void Warranties�

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    Re: Half PDA/Half Desktop PC

    I'm sure there's one out there already done someplace...
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    Re: Half PDA/Half Desktop PC

    Now that I write that... You are one lucky guy!

    http://www.aeicomp.com/Detail.asp?Pr...04_LCD35VGANTS

    3.5", 640x480, touch screen, NTSC (use a scan converter), $300

    Take it back again - Scan converter is included. Jump on that
    I Void Warranties�

  5. Re: Half PDA/Half Desktop PC

    Brilliant!! Well spotted. Looks like they ship to the UK too. I really appreciate all that Adrenalynn! I'll definately upload some pics of it when I'm done! If I'd rep on this forum I would.

    A bit off topic - but does anyone know what happens if you put in an order for a different currency using ur bank?? I'm wanting to place the order (which is displayed in dollars) using a card I have where the currency is obviously GBP.

    Thanks again!

    Dan

  6. Re: Half PDA/Half Desktop PC

    Maybe this should be for another thread - but I also have another question regarding this project.

    What would the majority of you do if you were needing a plastic casing to make this at least look like a pda (without a keypad) and you didn't have the sort of stuff to mould it. Are there companies that specialise in this?

  7. Re: Half PDA/Half Desktop PC

    I'm gonna be a big pain in the arse here Adrenalynn but I have one more question for you regarding the screen haha
    How is the user-input (touch) sent to my pc from the touchscreen? I didn't think VGA could be used for that kind of thing

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    Re: Half PDA/Half Desktop PC

    I don't see it spec'd anywhere but I would guess it's RS232 serial. The board in the illustration on top left looks like the output board and backlight driver.

    BTW, if the picture is correct then this touchscreen will support IR as well.
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    Re: Half PDA/Half Desktop PC

    Quote Originally Posted by DanTheMan View Post
    Maybe this should be for another thread - but I also have another question regarding this project.

    What would the majority of you do if you were needing a plastic casing to make this at least look like a pda (without a keypad) and you didn't have the sort of stuff to mould it. Are there companies that specialise in this?

    Draw up what you need and take it to your local highschool and see if you can get the shop class to cut it for you on a mill. Perhaps your university can do the same.

    Option 2 is to mill your own molds and pour your own plastics. It think Matt did a tutorial on how to do this in Servo magazine. He got some really nice results but I haven't tried it.
    "If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut."
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    Re: Half PDA/Half Desktop PC

    Quote Originally Posted by DanTheMan View Post
    I'm gonna be a big pain in the arse here Adrenalynn but I have one more question for you regarding the screen haha
    How is the user-input (touch) sent to my pc from the touchscreen? I didn't think VGA could be used for that kind of thing
    There is gonna be a second connection - probably serial or USB (it is the board most on the left side). You'll get a flow of points that have been hit over that serial connection.

    -Fergs

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