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Thread: Motorized LCD display?

  1. #1
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    Post Motorized LCD display?

    I've been really wanting to do a custom, motorized LCD display unit, sort of like the ones you can buy from eclipse, panasonic, pioneer, kenwood, etc etc. Only half the cost.

    Anyway, I saw how Sproggy did his with the servo, but that only flips it, anyone have ideas or links to a track-type system for making the lcd extend out, THEN flip up? I've come up with a few ideas where I'd have to manually pull the lcd out of hte enclosure, but it'd be nice to have it do it automatically with ignition on/off or carpc on/off.

    Thanks for any feedback/thoughts/etc

    Messer
    (replicant on efnet)
    Messer
    aka replicant on efnet

  2. #2
    Variable Bitrate
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    See if you can do it for cheaper than this:

    Yes. It is completely motorized!

    That may be my next purchase.

  3. #3
    Variable Bitrate
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    hi messer,

    Me tinx tis is tjeaper:

    I've been working on that too, but I decided to make it flip-up (kinda) since my TFT is a bit large (12,1) and would crush my passenger. but I DO have an Idea that works.. uhm maybe it's best to draw a pic:

    in the pic there are 3 bars :
    1) has a sliding joint, so that it slides out of the case.
    2) is the bar where the screen is attached to
    3) is a bar
    The big round thing is a steppermotor, with a bicycle-chain attached, this pushes bar3 out. Bar3 is just there so to keep the other bars don't fall down.
    The blue bars are there to prevent bar1 from sliding down, and to prevent it from tilting to far.
    By adjusting the rotation of the steppermotor you can correct the angle of the TFT, when there is a lot of sun or something

    I suggest to make something like this from wood first, so that (1) you can see that it actually works and (2) do some fine tuning.
    The round holes in bar 2 shouldn't be in the middle of the bar, the should be forming a diagonal line, this makes the contraption more eager to flip up. If you don't nothing will flip up, and stuff might get broken.

    The steppermotor can be ripped out of an old 5 1/4" diskdrive, search the web and you will find a lot of sites describing how to interface a steppermotor.If you don't find any sites, mail me ([email protected]) I have a lot of stuff like this.

    hope this helps...

    [ 09-27-2001: Message edited by: marsjell ]
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  4. #4
    FLAC
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    Post

    i have been thinking about this also....post some pics...i actually have about 5-8 servo motor at home + this nice nittle scsi thingin that i also bought to control servo....
    abcd-1
    Author of CobraI,II,III and now CobraIV.
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  5. #5
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    Yes! Please send more pics.. I looked into those stepper motors marsjell, and wow, they are quite the powerful lil things aren't they? Anyway, I don't quite know who i can implement them into the small space I have allotted for this project. Which is approx 6"w x 1"h x 8"d, i guess I could use the large depth to cram all that in there. Of course, if worse comes to worse, I can just get a 20x2 character display Which is better than nothin. Besides I just wanna get the massive amounts of tunes in my car!!

    Take care,

    Messer
    aka replicant on efnet
    Messer
    aka replicant on efnet

  6. #6
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    Cool

    why not use a CD-Rom thing?......but your screen is lil big for this way......but it cold be done....the tray PopOut...and the a servor would PopUp.......i had this crazy idea of making it look like the ones on the Volvo S60.....they come out of a hole in the dash......all u need for that is a cd-rom...but it has to be a small screen like under 6
    Under Construction Duron 750mhz, 256mb, Slow 40gb HD,
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  7. #7
    Variable Bitrate Cyberphox's Avatar
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    I've been wanting to do something like this with my 6.8" TFT for months...Someone build this!!!
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  8. #8
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    I built something that does this a while back. It worked, but it wasn't reliable enough. If you are trying to fit it all in a single DIN slot like I was, it is a chore. The CD-Rom thing won't ever fit in there along with an lcd.

    What I did was use a worm drive with a motor and gearbox. I used limit switches to control the motion and sliding rails to hold up the monitor. It worked ok for a while but then it fell apart due to the makeshift construction. I wish I could have gotten custom parts milled.

    Anyway, I am interested to see what you guys do with the project, but I think I am still going to sell my LCD and buy the one linked above.

  9. #9
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    I just tore apart an old 2x CDROM I had in a drawer so that all that's left is the tray, rails, motor and gears for the movement. If you apply a current to the wires leading to the motor (I used a 9-volt battery), it moves in or out depending on the current flow. There is a gap of 1x3x5 below the tray that could be used for the storage of some components.
    Now, since I plan to make a custom dash holder, height isn't a problem. If I could get to LCD to spring up and fold down for security, I'd save some other design problems dealing with an always exposed LCD.
    Any other ideas are welcome.

    My great concept art:

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  10. #10
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    Red face

    Well, that got kinda hacked apart.

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