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Thread: Motorized Drop Down Mount?

  1. #1
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    Motorized Drop Down Mount?

    I have a '92 Volvo 960 Wagon. However, it's the ultimate mutt. Ford 302 with AFR 165 Heads, Tremec T56 6-speed, etc. I'd like to put some kind of CarPC in it, mainly for running OBDII diagnostics/gauges. Mechanically it's a 2000 Explorer so it's fully OBDII compatible. It currently has a Pioneer AVH-3100DVD Double-DIN unit in it, which I'd like to keep- which means I'm out of dash board space.

    So, what I'd like to do is have a flip-down touchscreen in front of the sunroof. Most likely a Lilliput 7". Ideally I want it motorized so that when you turn the car on it folds down and boots, and then when you turn the car off it folds back up. Does anyone make a mount that can be adapted to do this? It would need some combo of always on power for the motor and a switched source for the signal. On the 960's there's a plastic panel that covers the sunroof motor. However, the cover is bulged and largely hollow so I have a fair amount of space to play with.

    Here's the current dash scenario, back when it was mechanically stock:



    This photo gives you an idea of the opening, it's about 9"-10" across:


    I know some flip down monitors are motorized, would I be best off just buying one of those and then putting the Touchscreen monitor into the mount?
    Last edited by AustinMiniMan; 05-29-2011 at 09:05 PM.

  2. #2
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    Quote Originally Posted by AustinMiniMan View Post
    I know some flip down monitors are motorized, would I be best off just buying one of those and then putting the Touchscreen monitor into the mount?
    probably your best bet. otherwise, the next idea is to custom-build one using rc-car servo's-- try searching for bugbyte's motorized screen install.

  3. #3
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    I looked into his install and other than to see it exists I couldn't tell much- I didn't see much technical information. I can probably build a mechanism to drop it relatively easily, but the control circuit is what gets me a dead end. Having it drop when the car turns on should be simple enough; just send power to the motor to lower and then have it hit a micro-switch to stop. However, how would I got about getting it to retract again? I'd need a circuit that would detect a lack of power from the ignition and then, using the constant source, retract and stop using another micro-switch limiter. I could make it spring loaded but it seems like the only way to do that would be to have the motor fighting the spring the entire time the car is on. I almost need a spring loaded locking stepper motor, and I've never seen anything like that.

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