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Thread: Lumia

  1. #31
    Join Date
    Feb 2009
    Location
    East Coast of Southern Virginia
    Posts
    536

    Default

    Nice. What voltage are the motors? 12VDC? and what voltage are you running them at? I have had good success with 12VDC motors similar to the ones you show running at 3VDC. They turn really slow. Also one more questions if you don't mind. What effects do you have in your tiny stepper based lumia wheels? I see gratings but not sure what they are. Finally, what is that phone app for measuring RPM? That is really neat. Thanks for sharing and especially thanks for the pictures.

  2. #32
    Join Date
    Oct 2021
    Location
    Slovakia
    Posts
    19

    Default lumia

    Quote Originally Posted by cfavreau View Post
    Nice. What voltage are the motors? 12VDC? and what voltage are you running them at? I have had good success with 12VDC motors similar to the ones you show running at 3VDC. They turn really slow. Also one more questions if you don't mind. What effects do you have in your tiny stepper based lumia wheels? I see gratings but not sure what they are. Finally, what is that phone app for measuring RPM? That is really neat. Thanks for sharing and especially thanks for the pictures.
    I use 12V DC motors. They run on a 12v source with a PWM controller. As for the wheels. The diffraction wheel is poly 10. The second wheel is equipped with 6 effects, one position is free. The size of the wheels is 50 mm. In good condition for its age. Scratches
    can of course be seen when I look closer at the glass. It could also happen with unprofessional handling or care after years. No defects can be seen on the projected patterns, which pleasantly surprised me. The wheels create planes, different grids, circles, starry sky and stargate. I have no information on who made the wheels. My opinion is that the poly 10 is from creativelaser. The other wheel was made where the projector was made. I use the app RPM Speed&Wow.
    Last edited by marusko1; 11-15-2022 at 04:12.

  3. #33
    Join Date
    Oct 2021
    Location
    Slovakia
    Posts
    19

    Default Glass plus lens experiment.

    Cytometry effect.
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  4. #34
    Join Date
    Oct 2021
    Location
    Slovakia
    Posts
    19

    Default spatial filter

    I know it doesn't belong here. I just wanted to show that it is possible to make actual holes. I had the intention of making my own spatial filter a long time ago. Since these holes are expensive, I decided to make actual holes.
    Attached Thumbnails Attached Thumbnails 20221221_190356.jpg  

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  5. #35
    Join Date
    Oct 2021
    Location
    Slovakia
    Posts
    19

    Default Lumia

    The perfect illusion of running water.
    https://youtu.be/eSVRoojTXZc
    Last edited by marusko1; 01-08-2023 at 08:59.

  6. #36
    Join Date
    Apr 2009
    Location
    North of Jackson Michigan USA
    Posts
    363

    Default

    Very nice!
    Well done.
    Runs with Lasers

  7. #37
    Join Date
    Feb 2015
    Location
    San Francisco
    Posts
    184

    Default

    Very nice! Tell us how the effect is achieved. We need a video pointing the opposite direction!

    Ron

    Quote Originally Posted by marusko1 View Post
    The perfect illusion of running water.https://youtu.be/ydRDd4rcqbM

  8. #38
    Join Date
    Jun 2009
    Location
    St. Louis, MO
    Posts
    1,198

    Default

    Quote Originally Posted by marusko1 View Post
    I managed to save the Datronik club projector. I'm looking for glass like in the photo, it's a beautiful effect. I don't want to take it off the projector and put it on another projector. Does anyone know about this glass, where I could get it.
    It's called bubble glass,
    https://www.franklinartglass.com/pro...ble-glass-5mm/

    Or rain drop glass,
    https://www.behrenbergglass.com/Rain...ass_c_205.html

    You can make it yourself,
    https://www.fusedglasswarehouse.com/...owder-1-Oz.htm
    "There are painters who transform the sun into a yellow spot, but there are others who, with the help of their art and their intelligence, transform a yellow spot into the sun." Pablo Picasso

  9. #39
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    793

    Default

    Quote Originally Posted by laserist View Post
    Great info - thanks Brian!

    I plan on doing some slumped glass for lumia soon. Should be interesting…
    "Information not shared, is information lost forever"

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  10. #40
    Join Date
    Oct 2021
    Location
    Slovakia
    Posts
    19

    Default lumia

    Quote Originally Posted by laserist View Post
    Yes, raindrops are the most similar to glass. Datronik used plexiglass to look at, it is plexiglass.

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