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  • Photovoltaic Mirror help.

    I have an autodimming photovoltaic mirror in my Stratus. I would like to "clear" the backing off of a portion of it in order to install the LCD display from a Valentine 1 radar detector in it.

    My questions are these:

    1.) How does the photovoltaic mirror actually work?

    2.) If I were to clear off part of the backing, would this damage the photovoltaic properties of the mirror?

  • #2
    if you are refering to an auto-dimming mirror, i thought they were called electrochrome mirrors.

    now, after some brief internet searching...

    i would think they work in a similar fashion to the new Liquid Crystal window technology that is always featured on HGTV shows about super expensive houses...

    if thats the case, the back of the mirror should be a standard reflective coating, just like a regular mirror. the difference should be in the glass, or one of the layers in the glass. basically an electric current passes through the liquid crystal layer and darkens it.

    now, since i really have no clue if this is how they work, i am saying this without any real confidence. but, you should be able to remove a portion of the mirrored coating on the back of the glass, and place your V-1 remote display behind it.

    i know that there are mirrors that are exactly what you are trying to do. except they have a compass display where you want to put your V-1 display. so, it is feasible.

    see if you can take apart your mirror and inspect where every thing is connected... might be a good first step. after all, you might not even bea able to fit the display in the plastic housing for the mirror...

    ~Mike
    Single Member of the "1000 Post and No MP3 Car" Club
    PROJECT ON INDEFINATE HOLD... BOUGHT A HOUSE
    2000 Cavalier Z24 [###-------] Only 30% Done ... Still

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    • #3
      Too bad its not electrochromatic

      http://www.ecisbmw.com/product_files...%20Display.htm
      -TJ
      Smart Playlists Plugin for RoadRunner
      CarPC - 05 Acura TL Navi (pics soon)
      Retired CarPC - 03 Infiniti Qx4

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      • #4
        That is a cool idea!

        I don't want anyone outside the vehicle to be able to see that I have a radar detector...so...

        I mounted my remote on the dash (well, in the instrument cluster area) in my line of sight, but out of view for anyone outside the truck.

        That bimmer mirror is expensive, but I'll bet it just runs off 12v like my mirror...The sensor is in the mirror so it is self contained...just remove and replace. (probably glues to the window etc)

        If you want to try making your own, then try to find one at the junkyard to experiment on.
        current projects

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        • #5
          It is indeed Electro Chromatic, not Photovoltaic as I originally posted. I checked the shop manual. I've seen the Bimmer mirror before and thats what gave me the idea. I don't want to have to look down at the gauges to check my detector.

          My car is probably to new to get one in a junk yard. If I can find a totalled one there are several parts I'd like to pick up. My mirror is already chalked full of joy with the cabin lights, three garage door openers, the lumisponder for the electro chromatic film, and the compass/temp gauge. Lets see if I can fit my mic from my cellphone kit and the V1 display in there. Definate bragging rights if I can.

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          • #6
            Originally posted by Skippman
            My car is probably to new to get one in a junk yard. If I can find a totalled one there are several parts I'd like to pick up. My mirror is already chalked full of joy with the cabin lights, three garage door openers, the lumisponder for the electro chromatic film, and the compass/temp gauge. Lets see if I can fit my mic from my cellphone kit and the V1 display in there. Definate bragging rights if I can.
            not true... there are lots of asshats that crash cars weeks after they get 'em.

            check out, www.car-part.com , i just queried 2003 dodge stratus rearview mirror, and i found 2. 1 is explicitly stated as "BLK,COMPASS,AUTO DIM". so they are out there. the price listed was $100.17, but i bet you could offer a bit less and still get it. they will most likely ship it to you as well.

            ~Mike
            Single Member of the "1000 Post and No MP3 Car" Club
            PROJECT ON INDEFINATE HOLD... BOUGHT A HOUSE
            2000 Cavalier Z24 [###-------] Only 30% Done ... Still

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            • #7
              Whoa! Now thats cool!

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              • #8
                I wonder what the new dealer price is...$250?
                current projects

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                • #9
                  yes, you can remove some of the backing and still have ot work, ive been working on a simmilar project. I got an auto dimming mirror from a junkyard for 20 bucks. They applu a voltage from 0-2 volts , the more voltage, the dimmer the mirror. when you open the mirror, you will notice two (2) layers of glass, the conductive coating is actually inbetween the layers. the reflective backing has nothing to do with the dimming.
                  Shuttle SV-24 (Plexiglass case)
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                  Still Need: GPS, and some kick a@# software!

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                  • #10
                    Originally posted by mp3z24
                    i would think they work in a similar fashion to the new Liquid Crystal window technology that is always featured on HGTV shows about super expensive houses...
                    Would this be the LCD glass panels ?
                    I saw them a fair while ago on TV, its a glass panel to be used as a window with LCD black built in so that you can dim the window.

                    Would you have a link or the real name of them by chance ?

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                    • #11
                      Originally posted by thenominous
                      Would this be the LCD glass panels ?
                      I saw them a fair while ago on TV, its a glass panel to be used as a window with LCD black built in so that you can dim the window.

                      Would you have a link or the real name of them by chance ?
                      There is SPD (suspended paticle device) glass, or electrochromic glass.

                      ~Mike
                      Single Member of the "1000 Post and No MP3 Car" Club
                      PROJECT ON INDEFINATE HOLD... BOUGHT A HOUSE
                      2000 Cavalier Z24 [###-------] Only 30% Done ... Still

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                      • #12
                        Cheers!

                        Just what Im looking for, now to see how much the film on it's own is

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