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Lighthouse beacon for yard lighthouse

Discussion in 'Electronic Projects Design/Ideas/Reviews' started by Loxlady, Sep 3, 2017.

  1. AnalogKid

    AnalogKid Well-Known Member

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    I don't think so. Separate from changes in intensity, when looking at a lighthouse you can see the beam moving toward and away from you in the imperfections in the glass. There is a constantly changing vector component to the sine-squared amplitude changes.

    ak
     
  2. ronsimpson

    ronsimpson Well-Known Member Most Helpful Member

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    Not a real lighthouse, a yard lighthouse, or a table top lighthouse. I think a single LED can do this job. Watch the video.
     
  3. dr pepper

    dr pepper Well-Known Member Most Helpful Member

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    The vid worked for me ron.
    Good idea that too, I'll remember that idea if the mrs makes another wooden one.
     
  4. dave

    Dave New Member

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  5. AnalogKid

    AnalogKid Well-Known Member

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    I've watched real ones up and down both coasts, and they all look the same in this regard. From up close, say 0 to 100 yards, I can see the beam approach and retreat. Granted you cannot see that when at sea, but for a model where the observer has a god's-eye view I would think that a simulation of true rotation would be the better effect.

    Also, I did watch the video; hence my comment.

    ak
     
  6. Externet

    Externet Member

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  7. atferrari

    atferrari Well-Known Member

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    In fact AK, unless the atmosphere is really limpid, you can perceive the beam easily. Just a little of fog or dust in suspension (we call that calima) is all what you need. Even when clouds are low, they help in reflecting the light.

    A small stepper would make for a simple solution.
     
  8. MrDEB

    MrDEB Active Member

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    Using a steeper motor you need a method to connect the light to power and still turn the light 360 degrees.
    The electronic approach is the easiest method.
    The working schematic I posted works very well and is low in cost.
     
  9. AnalogKid

    AnalogKid Well-Known Member

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    Yah, I've seen that (didn't know the name). I'm talking about seeing the beam light up the glass surrounding it. At a distance it looks like the single lamp effect being discussed here, but closer in you can see the light circulate inside the room.

    ak
     

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